Prompt:
Convert this CoffeeScript to JavaScript.
```coffeescript
moment = require 'moment'
request = require 'request'
config = require 'config'
Promise = require 'bluebird'

requestAsync = Promise.promisify request

startDate = moment("2014-05-01")
endDate = moment('2016-03-01')

searchHost = "#{config.searchProtocol}://#{config.searchHost}:#{config.searchPort}"

buildRange = ->
  query:
    range:
      createdAt:
        gte: startDate.startOf('month').format('YYYY-MM-DD')
        lte: startDate.endOf('month').format('YYYY-MM-DD')

checkCount = ->

  month = startDate.startOf('month').format('YYYYMM')

  $monthlyIndexCount = Promise.resolve().then ->
    options =
      method: 'POST'
      url: "#{searchHost}/talk_messages_#{month}/_count"
      json: true
    requestAsync(options).spread (res) -> res?.body?.count or 0

  $rangeIndexCount = Promise.resolve().then ->
    options =
      method: 'POST'
      url: "#{searchHost}/talk_messages_v2/_count"
      json: true
      body: buildRange()
    requestAsync(options).spread (res) -> res?.body?.count or 0

  Promise.all [$monthlyIndexCount, $rangeIndexCount]

  .spread (monthlyIndexCount, rangeIndexCount) ->
    console.log "Month #{month} Indexed #{monthlyIndexCount} Total #{rangeIndexCount}"
    if monthlyIndexCount is rangeIndexCount
      return true
    else return false

  .then (synced) -> Promise.delay(5000).then(checkCount) unless synced

reindex = ->
  month = startDate.startOf('month').format('YYYYMM')
```

Response:
var Promise, buildRange, checkCount, config, endDate, moment, reindex, request, requestAsync, searchHost, startDate;

moment = require('moment');

request = require('request');

config = require('config');

Promise = require('bluebird');

requestAsync = Promise.promisify(request);

startDate = moment("2014-05-01");

endDate = moment('2016-03-01');

searchHost = `${config.searchProtocol}://${config.searchHost}:${config.searchPort}`;

buildRange = function() {
  return {
    query: {
      range: {
        createdAt: {
          gte: startDate.startOf('month').format('YYYY-MM-DD'),
          lte: startDate.endOf('month').format('YYYY-MM-DD')
        }
      }
    }
  };
};

checkCount = function() {
  var $monthlyIndexCount, $rangeIndexCount, month;
  month = startDate.startOf('month').format('YYYYMM');
  $monthlyIndexCount = Promise.resolve().then(function() {
    var options;
    options = {
      method: 'POST',
      url: `${searchHost}/talk_messages_${month}/_count`,
      json: true
    };
    return requestAsync(options).spread(function(res) {
      var ref;
      return (res != null ? (ref = res.body) != null ? ref.count : void 0 : void 0) || 0;
    });
  });
  $rangeIndexCount = Promise.resolve().then(function() {
    var options;
    options = {
      method: 'POST',
      url: `${searchHost}/talk_messages_v2/_count`,
      json: true,
      body: buildRange()
    };
    return requestAsync(options).spread(function(res) {
      var ref;
      return (res != null ? (ref = res.body) != null ? ref.count : void 0 : void 0) || 0;
    });
  });
  return Promise.all([$monthlyIndexCount, $rangeIndexCount]).spread(function(monthlyIndexCount, rangeIndexCount) {
    console.log(`Month ${month} Indexed ${monthlyIndexCount} Total ${rangeIndexCount}`);
    if (monthlyIndexCount === rangeIndexCount) {
      return true;
    } else {
      return false;
    }
  }).then(function(synced) {
    if (!synced) {
      return Promise.delay(5000).then(checkCount);
    }
  });
};

reindex = function() {
  var month;
  return month = startDate.startOf('month').format('YYYYMM');
};


Prompt:
Convert this JavaScript to CoffeeScript.
```javascript
var Promise, buildRange, checkCount, config, endDate, moment, reindex, request, requestAsync, searchHost, startDate;

moment = require('moment');

request = require('request');

config = require('config');

Promise = require('bluebird');

requestAsync = Promise.promisify(request);

startDate = moment("2014-05-01");

endDate = moment('2016-03-01');

searchHost = `${config.searchProtocol}://${config.searchHost}:${config.searchPort}`;

buildRange = function() {
  return {
    query: {
      range: {
        createdAt: {
          gte: startDate.startOf('month').format('YYYY-MM-DD'),
          lte: startDate.endOf('month').format('YYYY-MM-DD')
        }
      }
    }
  };
};

checkCount = function() {
  var $monthlyIndexCount, $rangeIndexCount, month;
  month = startDate.startOf('month').format('YYYYMM');
  $monthlyIndexCount = Promise.resolve().then(function() {
    var options;
    options = {
      method: 'POST',
      url: `${searchHost}/talk_messages_${month}/_count`,
      json: true
    };
    return requestAsync(options).spread(function(res) {
      var ref;
      return (res != null ? (ref = res.body) != null ? ref.count : void 0 : void 0) || 0;
    });
  });
  $rangeIndexCount = Promise.resolve().then(function() {
    var options;
    options = {
      method: 'POST',
      url: `${searchHost}/talk_messages_v2/_count`,
      json: true,
      body: buildRange()
    };
    return requestAsync(options).spread(function(res) {
      var ref;
      return (res != null ? (ref = res.body) != null ? ref.count : void 0 : void 0) || 0;
    });
  });
  return Promise.all([$monthlyIndexCount, $rangeIndexCount]).spread(function(monthlyIndexCount, rangeIndexCount) {
    console.log(`Month ${month} Indexed ${monthlyIndexCount} Total ${rangeIndexCount}`);
    if (monthlyIndexCount === rangeIndexCount) {
      return true;
    } else {
      return false;
    }
  }).then(function(synced) {
    if (!synced) {
      return Promise.delay(5000).then(checkCount);
    }
  });
};

reindex = function() {
  var month;
  return month = startDate.startOf('month').format('YYYYMM');
};
```

Response:
moment = require 'moment'
request = require 'request'
config = require 'config'
Promise = require 'bluebird'

requestAsync = Promise.promisify request

startDate = moment("2014-05-01")
endDate = moment('2016-03-01')

searchHost = "#{config.searchProtocol}://#{config.searchHost}:#{config.searchPort}"

buildRange = ->
  query:
    range:
      createdAt:
        gte: startDate.startOf('month').format('YYYY-MM-DD')
        lte: startDate.endOf('month').format('YYYY-MM-DD')

checkCount = ->

  month = startDate.startOf('month').format('YYYYMM')

  $monthlyIndexCount = Promise.resolve().then ->
    options =
      method: 'POST'
      url: "#{searchHost}/talk_messages_#{month}/_count"
      json: true
    requestAsync(options).spread (res) -> res?.body?.count or 0

  $rangeIndexCount = Promise.resolve().then ->
    options =
      method: 'POST'
      url: "#{searchHost}/talk_messages_v2/_count"
      json: true
      body: buildRange()
    requestAsync(options).spread (res) -> res?.body?.count or 0

  Promise.all [$monthlyIndexCount, $rangeIndexCount]

  .spread (monthlyIndexCount, rangeIndexCount) ->
    console.log "Month #{month} Indexed #{monthlyIndexCount} Total #{rangeIndexCount}"
    if monthlyIndexCount is rangeIndexCount
      return true
    else return false

  .then (synced) -> Promise.delay(5000).then(checkCount) unless synced

reindex = ->
  month = startDate.startOf('month').format('YYYYMM')


Prompt:
moment = require 'moment'
request = require 'request'
config = require 'config'
Promise = require 'bluebird'

requestAsync = Promise.promisify request

startDate = moment("2014-05-01")
endDate = moment('2016-03-01')

searchHost = "#{config.searchProtocol}://#{config.searchHost}:#{config.searchPort}"

buildRange = ->
  query:
    range:
      createdAt:
        gte: startDate.startOf('month').format('YYYY-MM-DD')
        lte: startDate.endOf('month').format('YYYY-MM-DD')

checkCount = ->

  month = startDate.startOf('month').format('YYYYMM')

  $monthlyIndexCount = Promise.resolve().then ->
    options =

Response:
method: 'POST'
      url: "#{searchHost}/talk_messages_#{month}/_count"
      json: true
    requestAsync(options).spread (res) -> res?.body?.count or 0

  $rangeIndexCount = Promise.resolve().then ->
    options =
      method: 'POST'
      url: "#{searchHost}/talk_messages_v2/_count"
      json: true
      body: buildRange()
    requestAsync(options).spread (res) -> res?.body?.count or 0

  Promise.all [$monthlyIndexCount, $rangeIndexCount]

  .spread (monthlyIndexCount, rangeIndexCount) ->
    console.log "Month #{month} Indexed #{monthlyIndexCount} Total #{rangeIndexCount}"
    if monthlyIndexCount is rangeIndexCount
      return true
    else return false

  .then (synced) -> Promise.delay(5000).then(checkCount) unless synced

reindex = ->
  month = startDate.startOf('month').format('YYYYMM')


Response:
reindexUrl =

  options =
    method: 'POST'
    url: "#{searchHost}/talk_messages_v2/_reindex/talk_messages_#{month}"
    json: true
    body: buildRange()

  console.log JSON.stringify(options, null, 2)

  requestAsync(options).then(checkCount)

main = ->
  if startDate > endDate
    console.log 'All reindex scheduled', new Date
    process.exit()

  reindex().then -> startDate.add 1, 'month'

  .delay 1000

  .then -> main()

  .catch (err) ->
    console.warn err.stack
    process.exit 1

console.log 'Reindex start', new Date
main()


Prompt:
reindexUrl =

  options =
    method: 'POST'
    url: "#{searchHost}/talk_messages_v2/_reindex/talk_messages_#{month}"
    json: true
    body: buildRange()

  console.log JSON.stringify(options, null, 2)

  requestAsync(options).then(checkCount)

main = ->
  if startDate > endDate

Response:
console.log 'All reindex scheduled', new Date
    process.exit()

  reindex().then -> startDate.add 1, 'month'

  .delay 1000

  .then -> main()

  .catch (err) ->
    console.warn err.stack
    process.exit 1

console.log 'Reindex start', new Date
main()


Response:
describe 'databound error', ->
  it 'unpermitted column', ->
    stubResponse {
      status: 405,
      responseJSON: {
        message: 'Request includes unpermitted columns: city'
      }
    }, (->

      expect(-> User.create(city: 'Hawaii')).to.throw(Error,
        'Databound: Request includes unpermitted columns: city')
    ), 'reject'

  it 'unpermitted action', ->
    stubResponse {
      status: 405,
      responseJSON: {
        message: 'Request for destroy not permitted'
      }
    }, (->

      expect(-> User.destroy(1)).to.throw(Error,
        'Databound: Request for destroy not permitted')
    ), 'reject'


Prompt:
Convert this CoffeeScript to JavaScript.
```coffeescript
describe 'databound error', ->
  it 'unpermitted column', ->
    stubResponse {
      status: 405,
      responseJSON: {
        message: 'Request includes unpermitted columns: city'
      }
    }, (->

      expect(-> User.create(city: 'Hawaii')).to.throw(Error,
        'Databound: Request includes unpermitted columns: city')
    ), 'reject'

  it 'unpermitted action', ->
    stubResponse {
      status: 405,
      responseJSON: {
        message: 'Request for destroy not permitted'
      }
    }, (->

      expect(-> User.destroy(1)).to.throw(Error,
        'Databound: Request for destroy not permitted')
    ), 'reject'
```

Response:
describe('databound error', function() {
  it('unpermitted column', function() {
    return stubResponse({
      status: 405,
      responseJSON: {
        message: 'Request includes unpermitted columns: city'
      }
    }, (function() {
      return expect(function() {
        return User.create({
          city: 'Hawaii'
        });
      }).to.throw(Error, 'Databound: Request includes unpermitted columns: city');
    }), 'reject');
  });
  return it('unpermitted action', function() {
    return stubResponse({
      status: 405,
      responseJSON: {
        message: 'Request for destroy not permitted'
      }
    }, (function() {
      return expect(function() {
        return User.destroy(1);
      }).to.throw(Error, 'Databound: Request for destroy not permitted');
    }), 'reject');
  });
});


Prompt:
Convert this JavaScript to CoffeeScript.
```javascript
describe('databound error', function() {
  it('unpermitted column', function() {
    return stubResponse({
      status: 405,
      responseJSON: {
        message: 'Request includes unpermitted columns: city'
      }
    }, (function() {
      return expect(function() {
        return User.create({
          city: 'Hawaii'
        });
      }).to.throw(Error, 'Databound: Request includes unpermitted columns: city');
    }), 'reject');
  });
  return it('unpermitted action', function() {
    return stubResponse({
      status: 405,
      responseJSON: {
        message: 'Request for destroy not permitted'
      }
    }, (function() {
      return expect(function() {
        return User.destroy(1);
      }).to.throw(Error, 'Databound: Request for destroy not permitted');
    }), 'reject');
  });
});
```

Response:
describe 'databound error', ->
  it 'unpermitted column', ->
    stubResponse {
      status: 405,
      responseJSON: {
        message: 'Request includes unpermitted columns: city'
      }
    }, (->

      expect(-> User.create(city: 'Hawaii')).to.throw(Error,
        'Databound: Request includes unpermitted columns: city')
    ), 'reject'

  it 'unpermitted action', ->
    stubResponse {
      status: 405,
      responseJSON: {
        message: 'Request for destroy not permitted'
      }
    }, (->

      expect(-> User.destroy(1)).to.throw(Error,
        'Databound: Request for destroy not permitted')
    ), 'reject'


Prompt:
describe 'databound error', ->
  it 'unpermitted column', ->
    stubResponse {
      status: 405,
      responseJSON: {
        message: 'Request includes unpermitted columns: city'
      }
    }, (->

      expect(-> User.create(city: 'Hawaii')).to.throw(Error,
        'Databound: Request includes unpermitted columns: city')
    ), 'reject'

Response:
it 'unpermitted action', ->
    stubResponse {
      status: 405,
      responseJSON: {
        message: 'Request for destroy not permitted'
      }
    }, (->

      expect(-> User.destroy(1)).to.throw(Error,
        'Databound: Request for destroy not permitted')
    ), 'reject'


Response:
FILE_CATEGORY = [ 'text', 'image', 'application', 'audio', 'video' ]

FILE_TYPE =
  text: [ 'txt', 'html', 'css', 'js', 'xml']
  image: [ 'ps', 'ai', 'ae']
  application: [ 'sketch', [ 'ppt', 'pptx' ], [ 'doc', 'docx' ], [ 'xls', 'xlsx' ],
    'pages', 'numbers', 'keynotes', 'pdf', [ 'zip', 'rar', 'dmg', 'jar' ]
  ]
  audio: []
  video: []

findType = (type, arr = []) ->
  pos = -1
  arr.forEach (item, index) ->
    if item instanceof Array
      pos = index if type in item
    else
      pos = index if type is item

  pos

exports.get = (data) ->
  category = data.fileCategory

  x = FILE_CATEGORY.indexOf(category)
  y = findType(data.fileType, FILE_TYPE[category])

  if y < 0
    if category in [ 'image', 'video', 'audio' ]
      y = FILE_TYPE[category].length
    else
      x = FILE_CATEGORY.length
      y = 0

  "#{x * -32}px #{y * -40}px"


Prompt:
Convert this CoffeeScript to JavaScript.
```coffeescript
FILE_CATEGORY = [ 'text', 'image', 'application', 'audio', 'video' ]

FILE_TYPE =
  text: [ 'txt', 'html', 'css', 'js', 'xml']
  image: [ 'ps', 'ai', 'ae']
  application: [ 'sketch', [ 'ppt', 'pptx' ], [ 'doc', 'docx' ], [ 'xls', 'xlsx' ],
    'pages', 'numbers', 'keynotes', 'pdf', [ 'zip', 'rar', 'dmg', 'jar' ]
  ]
  audio: []
  video: []

findType = (type, arr = []) ->
  pos = -1
  arr.forEach (item, index) ->
    if item instanceof Array
      pos = index if type in item
    else
      pos = index if type is item

  pos

exports.get = (data) ->
  category = data.fileCategory

  x = FILE_CATEGORY.indexOf(category)
  y = findType(data.fileType, FILE_TYPE[category])

  if y < 0
    if category in [ 'image', 'video', 'audio' ]
      y = FILE_TYPE[category].length
    else
      x = FILE_CATEGORY.length
      y = 0

  "#{x * -32}px #{y * -40}px"
```

Response:
var FILE_CATEGORY, FILE_TYPE, findType,
  indexOf = [].indexOf;

FILE_CATEGORY = ['text', 'image', 'application', 'audio', 'video'];

FILE_TYPE = {
  text: ['txt', 'html', 'css', 'js', 'xml'],
  image: ['ps', 'ai', 'ae'],
  application: ['sketch', ['ppt', 'pptx'], ['doc', 'docx'], ['xls', 'xlsx'], 'pages', 'numbers', 'keynotes', 'pdf', ['zip', 'rar', 'dmg', 'jar']],
  audio: [],
  video: []
};

findType = function(type, arr = []) {
  var pos;
  pos = -1;
  arr.forEach(function(item, index) {
    if (item instanceof Array) {
      if (indexOf.call(item, type) >= 0) {
        return pos = index;
      }
    } else {
      if (type === item) {
        return pos = index;
      }
    }
  });
  return pos;
};

exports.get = function(data) {
  var category, x, y;
  category = data.fileCategory;
  x = FILE_CATEGORY.indexOf(category);
  y = findType(data.fileType, FILE_TYPE[category]);
  if (y < 0) {
    if (category === 'image' || category === 'video' || category === 'audio') {
      y = FILE_TYPE[category].length;
    } else {
      x = FILE_CATEGORY.length;
      y = 0;
    }
  }
  return `${x * -32}px ${y * -40}px`;
};


Prompt:
Convert this JavaScript to CoffeeScript.
```javascript
var FILE_CATEGORY, FILE_TYPE, findType,
  indexOf = [].indexOf;

FILE_CATEGORY = ['text', 'image', 'application', 'audio', 'video'];

FILE_TYPE = {
  text: ['txt', 'html', 'css', 'js', 'xml'],
  image: ['ps', 'ai', 'ae'],
  application: ['sketch', ['ppt', 'pptx'], ['doc', 'docx'], ['xls', 'xlsx'], 'pages', 'numbers', 'keynotes', 'pdf', ['zip', 'rar', 'dmg', 'jar']],
  audio: [],
  video: []
};

findType = function(type, arr = []) {
  var pos;
  pos = -1;
  arr.forEach(function(item, index) {
    if (item instanceof Array) {
      if (indexOf.call(item, type) >= 0) {
        return pos = index;
      }
    } else {
      if (type === item) {
        return pos = index;
      }
    }
  });
  return pos;
};

exports.get = function(data) {
  var category, x, y;
  category = data.fileCategory;
  x = FILE_CATEGORY.indexOf(category);
  y = findType(data.fileType, FILE_TYPE[category]);
  if (y < 0) {
    if (category === 'image' || category === 'video' || category === 'audio') {
      y = FILE_TYPE[category].length;
    } else {
      x = FILE_CATEGORY.length;
      y = 0;
    }
  }
  return `${x * -32}px ${y * -40}px`;
};
```

Response:
FILE_CATEGORY = [ 'text', 'image', 'application', 'audio', 'video' ]

FILE_TYPE =
  text: [ 'txt', 'html', 'css', 'js', 'xml']
  image: [ 'ps', 'ai', 'ae']
  application: [ 'sketch', [ 'ppt', 'pptx' ], [ 'doc', 'docx' ], [ 'xls', 'xlsx' ],
    'pages', 'numbers', 'keynotes', 'pdf', [ 'zip', 'rar', 'dmg', 'jar' ]
  ]
  audio: []
  video: []

findType = (type, arr = []) ->
  pos = -1
  arr.forEach (item, index) ->
    if item instanceof Array
      pos = index if type in item
    else
      pos = index if type is item

  pos

exports.get = (data) ->
  category = data.fileCategory

  x = FILE_CATEGORY.indexOf(category)
  y = findType(data.fileType, FILE_TYPE[category])

  if y < 0
    if category in [ 'image', 'video', 'audio' ]
      y = FILE_TYPE[category].length
    else
      x = FILE_CATEGORY.length
      y = 0

  "#{x * -32}px #{y * -40}px"


Prompt:
FILE_CATEGORY = [ 'text', 'image', 'application', 'audio', 'video' ]

FILE_TYPE =
  text: [ 'txt', 'html', 'css', 'js', 'xml']
  image: [ 'ps', 'ai', 'ae']
  application: [ 'sketch', [ 'ppt', 'pptx' ], [ 'doc', 'docx' ], [ 'xls', 'xlsx' ],
    'pages', 'numbers', 'keynotes', 'pdf', [ 'zip', 'rar', 'dmg', 'jar' ]
  ]
  audio: []
  video: []

findType = (type, arr = []) ->
  pos = -1
  arr.forEach (item, index) ->
    if item instanceof Array
      pos = index if type in item
    else

Response:
pos = index if type is item

  pos

exports.get = (data) ->
  category = data.fileCategory

  x = FILE_CATEGORY.indexOf(category)
  y = findType(data.fileType, FILE_TYPE[category])

  if y < 0
    if category in [ 'image', 'video', 'audio' ]
      y = FILE_TYPE[category].length
    else
      x = FILE_CATEGORY.length
      y = 0

  "#{x * -32}px #{y * -40}px"


Response:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

logger = require('../lib/logger')

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    #logger.info("Starting PCE")
    Q.all [
      @journal.start(@forward_operation).then =>
        # console.log 'INITIALIZED/REPLAYED LOG'
        null
      @replication.start() ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then(=> Q @engine.execute_operation(operation))


Prompt:
Convert this CoffeeScript to JavaScript.
```coffeescript
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

logger = require('../lib/logger')

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    #logger.info("Starting PCE")
    Q.all [
      @journal.start(@forward_operation).then =>
        # console.log 'INITIALIZED/REPLAYED LOG'
        null
      @replication.start() ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then(=> Q @engine.execute_operation(operation))
```

Response:
var DataStore, Operations, ProcessingChainEntrance, Q, logger;

Q = require('q');

DataStore = require('./datastore/datastore');

Operations = require('./operations');

logger = require('../lib/logger');

module.exports = ProcessingChainEntrance = class ProcessingChainEntrance {
  constructor(engine, journal, replication) {
    this.start = this.start.bind(this);
    this.forward_operation = this.forward_operation.bind(this);
    this.engine = engine;
    this.journal = journal;
    this.replication = replication;
  }

  start() {
    //logger.info("Starting PCE")
    return Q.all([
      this.journal.start(this.forward_operation).then(() => {
        // console.log 'INITIALIZED/REPLAYED LOG'
        return null;
      }),
      this.replication.start()
    ]);
  }

  forward_operation(operation) {
    var message;
    message = JSON.stringify(operation);
    return Q.all([this.journal.record(message), this.replication.send(message)]).then(() => {
      return Q(this.engine.execute_operation(operation));
    });
  }

};


Prompt:
Convert this JavaScript to CoffeeScript.
```javascript
var DataStore, Operations, ProcessingChainEntrance, Q, logger;

Q = require('q');

DataStore = require('./datastore/datastore');

Operations = require('./operations');

logger = require('../lib/logger');

module.exports = ProcessingChainEntrance = class ProcessingChainEntrance {
  constructor(engine, journal, replication) {
    this.start = this.start.bind(this);
    this.forward_operation = this.forward_operation.bind(this);
    this.engine = engine;
    this.journal = journal;
    this.replication = replication;
  }

  start() {
    //logger.info("Starting PCE")
    return Q.all([
      this.journal.start(this.forward_operation).then(() => {
        // console.log 'INITIALIZED/REPLAYED LOG'
        return null;
      }),
      this.replication.start()
    ]);
  }

  forward_operation(operation) {
    var message;
    message = JSON.stringify(operation);
    return Q.all([this.journal.record(message), this.replication.send(message)]).then(() => {
      return Q(this.engine.execute_operation(operation));
    });
  }

};
```

Response:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

logger = require('../lib/logger')

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    #logger.info("Starting PCE")
    Q.all [
      @journal.start(@forward_operation).then =>
        # console.log 'INITIALIZED/REPLAYED LOG'
        null
      @replication.start() ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then(=> Q @engine.execute_operation(operation))


Prompt:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

logger = require('../lib/logger')

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    #logger.info("Starting PCE")

Response:
Q.all [
      @journal.start(@forward_operation).then =>
        # console.log 'INITIALIZED/REPLAYED LOG'
        null
      @replication.start() ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then(=> Q @engine.execute_operation(operation))


Response:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

logger = require('../lib/logger')

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    #logger.info("Starting PCE")
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start() ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then(=> @package_operation(operation))

  package_operation: (operation) =>
    Q.fcall @engine.execute_operation(operation)


Prompt:
Convert this CoffeeScript to JavaScript.
```coffeescript
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

logger = require('../lib/logger')

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    #logger.info("Starting PCE")
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start() ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then(=> @package_operation(operation))

  package_operation: (operation) =>
    Q.fcall @engine.execute_operation(operation)
```

Response:
var DataStore, Operations, ProcessingChainEntrance, Q, logger;

Q = require('q');

DataStore = require('./datastore/datastore');

Operations = require('./operations');

logger = require('../lib/logger');

module.exports = ProcessingChainEntrance = class ProcessingChainEntrance {
  constructor(engine, journal, replication) {
    this.start = this.start.bind(this);
    this.forward_operation = this.forward_operation.bind(this);
    this.package_operation = this.package_operation.bind(this);
    this.engine = engine;
    this.journal = journal;
    this.replication = replication;
  }

  start() {
    //logger.info("Starting PCE")
    return Q.all([
      this.journal.start(this.forward_operation).then(() => {
        return console.log('INITIALIZED/REPLAYED LOG');
      }),
      this.replication.start()
    ]);
  }

  forward_operation(operation) {
    var message;
    message = JSON.stringify(operation);
    return Q.all([this.journal.record(message), this.replication.send(message)]).then(() => {
      return this.package_operation(operation);
    });
  }

  package_operation(operation) {
    return Q.fcall(this.engine.execute_operation(operation));
  }

};


Prompt:
Convert this JavaScript to CoffeeScript.
```javascript
var DataStore, Operations, ProcessingChainEntrance, Q, logger;

Q = require('q');

DataStore = require('./datastore/datastore');

Operations = require('./operations');

logger = require('../lib/logger');

module.exports = ProcessingChainEntrance = class ProcessingChainEntrance {
  constructor(engine, journal, replication) {
    this.start = this.start.bind(this);
    this.forward_operation = this.forward_operation.bind(this);
    this.package_operation = this.package_operation.bind(this);
    this.engine = engine;
    this.journal = journal;
    this.replication = replication;
  }

  start() {
    //logger.info("Starting PCE")
    return Q.all([
      this.journal.start(this.forward_operation).then(() => {
        return console.log('INITIALIZED/REPLAYED LOG');
      }),
      this.replication.start()
    ]);
  }

  forward_operation(operation) {
    var message;
    message = JSON.stringify(operation);
    return Q.all([this.journal.record(message), this.replication.send(message)]).then(() => {
      return this.package_operation(operation);
    });
  }

  package_operation(operation) {
    return Q.fcall(this.engine.execute_operation(operation));
  }

};
```

Response:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

logger = require('../lib/logger')

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    #logger.info("Starting PCE")
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start() ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then(=> @package_operation(operation))

  package_operation: (operation) =>
    Q.fcall @engine.execute_operation(operation)


Prompt:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

logger = require('../lib/logger')

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    #logger.info("Starting PCE")
    Q.all [

Response:
@journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start() ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then(=> @package_operation(operation))

  package_operation: (operation) =>
    Q.fcall @engine.execute_operation(operation)


Response:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

logger = require('../lib/logger')

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    #logger.info("Starting PCE")
    Q.all [
      @journal.start(@forward_operation).then =>
        # console.log 'INITIALIZED/REPLAYED LOG'
        null
      @replication.start() ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then(=> @package_operation(operation))

  package_operation: (operation) =>
    deferred = Q.defer()
    try
      deferred.resolve @engine.execute_operation(operation)
    catch err
      deferred.reject(err)

    return deferred.promise


Prompt:
Convert this CoffeeScript to JavaScript.
```coffeescript
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

logger = require('../lib/logger')

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    #logger.info("Starting PCE")
    Q.all [
      @journal.start(@forward_operation).then =>
        # console.log 'INITIALIZED/REPLAYED LOG'
        null
      @replication.start() ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then(=> @package_operation(operation))

  package_operation: (operation) =>
    deferred = Q.defer()
    try
      deferred.resolve @engine.execute_operation(operation)
    catch err
      deferred.reject(err)

    return deferred.promise
```

Response:
var DataStore, Operations, ProcessingChainEntrance, Q, logger;

Q = require('q');

DataStore = require('./datastore/datastore');

Operations = require('./operations');

logger = require('../lib/logger');

module.exports = ProcessingChainEntrance = class ProcessingChainEntrance {
  constructor(engine, journal, replication) {
    this.start = this.start.bind(this);
    this.forward_operation = this.forward_operation.bind(this);
    this.package_operation = this.package_operation.bind(this);
    this.engine = engine;
    this.journal = journal;
    this.replication = replication;
  }

  start() {
    //logger.info("Starting PCE")
    return Q.all([
      this.journal.start(this.forward_operation).then(() => {
        // console.log 'INITIALIZED/REPLAYED LOG'
        return null;
      }),
      this.replication.start()
    ]);
  }

  forward_operation(operation) {
    var message;
    message = JSON.stringify(operation);
    return Q.all([this.journal.record(message), this.replication.send(message)]).then(() => {
      return this.package_operation(operation);
    });
  }

  package_operation(operation) {
    var deferred, err;
    deferred = Q.defer();
    try {
      deferred.resolve(this.engine.execute_operation(operation));
    } catch (error) {
      err = error;
      deferred.reject(err);
    }
    return deferred.promise;
  }

};


Prompt:
Convert this JavaScript to CoffeeScript.
```javascript
var DataStore, Operations, ProcessingChainEntrance, Q, logger;

Q = require('q');

DataStore = require('./datastore/datastore');

Operations = require('./operations');

logger = require('../lib/logger');

module.exports = ProcessingChainEntrance = class ProcessingChainEntrance {
  constructor(engine, journal, replication) {
    this.start = this.start.bind(this);
    this.forward_operation = this.forward_operation.bind(this);
    this.package_operation = this.package_operation.bind(this);
    this.engine = engine;
    this.journal = journal;
    this.replication = replication;
  }

  start() {
    //logger.info("Starting PCE")
    return Q.all([
      this.journal.start(this.forward_operation).then(() => {
        // console.log 'INITIALIZED/REPLAYED LOG'
        return null;
      }),
      this.replication.start()
    ]);
  }

  forward_operation(operation) {
    var message;
    message = JSON.stringify(operation);
    return Q.all([this.journal.record(message), this.replication.send(message)]).then(() => {
      return this.package_operation(operation);
    });
  }

  package_operation(operation) {
    var deferred, err;
    deferred = Q.defer();
    try {
      deferred.resolve(this.engine.execute_operation(operation));
    } catch (error) {
      err = error;
      deferred.reject(err);
    }
    return deferred.promise;
  }

};
```

Response:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

logger = require('../lib/logger')

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    #logger.info("Starting PCE")
    Q.all [
      @journal.start(@forward_operation).then =>
        # console.log 'INITIALIZED/REPLAYED LOG'
        null
      @replication.start() ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then(=> @package_operation(operation))

  package_operation: (operation) =>
    deferred = Q.defer()
    try
      deferred.resolve @engine.execute_operation(operation)
    catch err
      deferred.reject(err)

    return deferred.promise


Prompt:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

logger = require('../lib/logger')

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    #logger.info("Starting PCE")
    Q.all [
      @journal.start(@forward_operation).then =>
        # console.log 'INITIALIZED/REPLAYED LOG'
        null
      @replication.start() ]

Response:
forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then(=> @package_operation(operation))

  package_operation: (operation) =>
    deferred = Q.defer()
    try
      deferred.resolve @engine.execute_operation(operation)
    catch err
      deferred.reject(err)

    return deferred.promise


Response:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

logger = require('../lib/logger')

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    #logger.info("Starting PCE")
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start() ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then(=> @package_operation(operation))

  package_operation: (operation) =>
    deferred = Q.defer()
    try
      deferred.resolve @engine.execute_operation(operation)
    catch err
      deferred.reject(err)

    return deferred.promise


Prompt:
Convert this CoffeeScript to JavaScript.
```coffeescript
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

logger = require('../lib/logger')

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    #logger.info("Starting PCE")
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start() ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then(=> @package_operation(operation))

  package_operation: (operation) =>
    deferred = Q.defer()
    try
      deferred.resolve @engine.execute_operation(operation)
    catch err
      deferred.reject(err)

    return deferred.promise
```

Response:
var DataStore, Operations, ProcessingChainEntrance, Q, logger;

Q = require('q');

DataStore = require('./datastore/datastore');

Operations = require('./operations');

logger = require('../lib/logger');

module.exports = ProcessingChainEntrance = class ProcessingChainEntrance {
  constructor(engine, journal, replication) {
    this.start = this.start.bind(this);
    this.forward_operation = this.forward_operation.bind(this);
    this.package_operation = this.package_operation.bind(this);
    this.engine = engine;
    this.journal = journal;
    this.replication = replication;
  }

  start() {
    //logger.info("Starting PCE")
    return Q.all([
      this.journal.start(this.forward_operation).then(() => {
        return console.log('INITIALIZED/REPLAYED LOG');
      }),
      this.replication.start()
    ]);
  }

  forward_operation(operation) {
    var message;
    message = JSON.stringify(operation);
    return Q.all([this.journal.record(message), this.replication.send(message)]).then(() => {
      return this.package_operation(operation);
    });
  }

  package_operation(operation) {
    var deferred, err;
    deferred = Q.defer();
    try {
      deferred.resolve(this.engine.execute_operation(operation));
    } catch (error) {
      err = error;
      deferred.reject(err);
    }
    return deferred.promise;
  }

};


Prompt:
Convert this JavaScript to CoffeeScript.
```javascript
var DataStore, Operations, ProcessingChainEntrance, Q, logger;

Q = require('q');

DataStore = require('./datastore/datastore');

Operations = require('./operations');

logger = require('../lib/logger');

module.exports = ProcessingChainEntrance = class ProcessingChainEntrance {
  constructor(engine, journal, replication) {
    this.start = this.start.bind(this);
    this.forward_operation = this.forward_operation.bind(this);
    this.package_operation = this.package_operation.bind(this);
    this.engine = engine;
    this.journal = journal;
    this.replication = replication;
  }

  start() {
    //logger.info("Starting PCE")
    return Q.all([
      this.journal.start(this.forward_operation).then(() => {
        return console.log('INITIALIZED/REPLAYED LOG');
      }),
      this.replication.start()
    ]);
  }

  forward_operation(operation) {
    var message;
    message = JSON.stringify(operation);
    return Q.all([this.journal.record(message), this.replication.send(message)]).then(() => {
      return this.package_operation(operation);
    });
  }

  package_operation(operation) {
    var deferred, err;
    deferred = Q.defer();
    try {
      deferred.resolve(this.engine.execute_operation(operation));
    } catch (error) {
      err = error;
      deferred.reject(err);
    }
    return deferred.promise;
  }

};
```

Response:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

logger = require('../lib/logger')

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    #logger.info("Starting PCE")
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start() ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then(=> @package_operation(operation))

  package_operation: (operation) =>
    deferred = Q.defer()
    try
      deferred.resolve @engine.execute_operation(operation)
    catch err
      deferred.reject(err)

    return deferred.promise


Prompt:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

logger = require('../lib/logger')

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    #logger.info("Starting PCE")
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start() ]

Response:
forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then(=> @package_operation(operation))

  package_operation: (operation) =>
    deferred = Q.defer()
    try
      deferred.resolve @engine.execute_operation(operation)
    catch err
      deferred.reject(err)

    return deferred.promise


Response:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

logger = require('../lib/logger')

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    #logger.info("Starting PCE")
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start() ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    q = Q.all [
      @journal.record(message)
      @replication.send(message)]

    q.then(=> @package_operation(operation))
     .then(@on_operation_succeded)
     #.fail(@on_operation_failed)
     #.done()

  package_operation: (operation) =>
    deferred = Q.defer()
    try
      deferred.resolve @engine.execute_operation(operation)
    catch err
      deferred.reject(err)

    return deferred.promise

  on_operation_succeded: (update_set) =>
    #console.log "success:", update_set

  on_operation_failed: (error) =>
    console.log "failure:", error


Prompt:
Convert this CoffeeScript to JavaScript.
```coffeescript
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

logger = require('../lib/logger')

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    #logger.info("Starting PCE")
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start() ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    q = Q.all [
      @journal.record(message)
      @replication.send(message)]

    q.then(=> @package_operation(operation))
     .then(@on_operation_succeded)
     #.fail(@on_operation_failed)
     #.done()

  package_operation: (operation) =>
    deferred = Q.defer()
    try
      deferred.resolve @engine.execute_operation(operation)
    catch err
      deferred.reject(err)

    return deferred.promise

  on_operation_succeded: (update_set) =>
    #console.log "success:", update_set

  on_operation_failed: (error) =>
    console.log "failure:", error
```

Response:
var DataStore, Operations, ProcessingChainEntrance, Q, logger;

Q = require('q');

DataStore = require('./datastore/datastore');

Operations = require('./operations');

logger = require('../lib/logger');

module.exports = ProcessingChainEntrance = class ProcessingChainEntrance {
  constructor(engine, journal, replication) {
    this.start = this.start.bind(this);
    this.forward_operation = this.forward_operation.bind(this);
    //.fail(@on_operation_failed)
    //.done()
    this.package_operation = this.package_operation.bind(this);
    this.on_operation_succeded = this.on_operation_succeded.bind(this);
    //console.log "success:", update_set
    this.on_operation_failed = this.on_operation_failed.bind(this);
    this.engine = engine;
    this.journal = journal;
    this.replication = replication;
  }

  start() {
    //logger.info("Starting PCE")
    return Q.all([
      this.journal.start(this.forward_operation).then(() => {
        return console.log('INITIALIZED/REPLAYED LOG');
      }),
      this.replication.start()
    ]);
  }

  forward_operation(operation) {
    var message, q;
    message = JSON.stringify(operation);
    q = Q.all([this.journal.record(message), this.replication.send(message)]);
    return q.then(() => {
      return this.package_operation(operation);
    }).then(this.on_operation_succeded);
  }

  package_operation(operation) {
    var deferred, err;
    deferred = Q.defer();
    try {
      deferred.resolve(this.engine.execute_operation(operation));
    } catch (error1) {
      err = error1;
      deferred.reject(err);
    }
    return deferred.promise;
  }

  on_operation_succeded(update_set) {}

  on_operation_failed(error) {
    return console.log("failure:", error);
  }

};


Prompt:
Convert this JavaScript to CoffeeScript.
```javascript
var DataStore, Operations, ProcessingChainEntrance, Q, logger;

Q = require('q');

DataStore = require('./datastore/datastore');

Operations = require('./operations');

logger = require('../lib/logger');

module.exports = ProcessingChainEntrance = class ProcessingChainEntrance {
  constructor(engine, journal, replication) {
    this.start = this.start.bind(this);
    this.forward_operation = this.forward_operation.bind(this);
    //.fail(@on_operation_failed)
    //.done()
    this.package_operation = this.package_operation.bind(this);
    this.on_operation_succeded = this.on_operation_succeded.bind(this);
    //console.log "success:", update_set
    this.on_operation_failed = this.on_operation_failed.bind(this);
    this.engine = engine;
    this.journal = journal;
    this.replication = replication;
  }

  start() {
    //logger.info("Starting PCE")
    return Q.all([
      this.journal.start(this.forward_operation).then(() => {
        return console.log('INITIALIZED/REPLAYED LOG');
      }),
      this.replication.start()
    ]);
  }

  forward_operation(operation) {
    var message, q;
    message = JSON.stringify(operation);
    q = Q.all([this.journal.record(message), this.replication.send(message)]);
    return q.then(() => {
      return this.package_operation(operation);
    }).then(this.on_operation_succeded);
  }

  package_operation(operation) {
    var deferred, err;
    deferred = Q.defer();
    try {
      deferred.resolve(this.engine.execute_operation(operation));
    } catch (error1) {
      err = error1;
      deferred.reject(err);
    }
    return deferred.promise;
  }

  on_operation_succeded(update_set) {}

  on_operation_failed(error) {
    return console.log("failure:", error);
  }

};
```

Response:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

logger = require('../lib/logger')

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    #logger.info("Starting PCE")
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start() ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    q = Q.all [
      @journal.record(message)
      @replication.send(message)]

    q.then(=> @package_operation(operation))
     .then(@on_operation_succeded)
     #.fail(@on_operation_failed)
     #.done()

  package_operation: (operation) =>
    deferred = Q.defer()
    try
      deferred.resolve @engine.execute_operation(operation)
    catch err
      deferred.reject(err)

    return deferred.promise

  on_operation_succeded: (update_set) =>
    #console.log "success:", update_set

  on_operation_failed: (error) =>
    console.log "failure:", error


Prompt:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

logger = require('../lib/logger')

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    #logger.info("Starting PCE")
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start() ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    q = Q.all [
      @journal.record(message)
      @replication.send(message)]

Response:
q.then(=> @package_operation(operation))
     .then(@on_operation_succeded)
     #.fail(@on_operation_failed)
     #.done()

  package_operation: (operation) =>
    deferred = Q.defer()
    try
      deferred.resolve @engine.execute_operation(operation)
    catch err
      deferred.reject(err)

    return deferred.promise

  on_operation_succeded: (update_set) =>
    #console.log "success:", update_set

  on_operation_failed: (error) =>
    console.log "failure:", error


Response:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    q = Q.all [
      @journal.record(message)
      @replication.send(message)]

    q.then(@package_operation)
     .then(@on_operation_succeded)
     #.fail(@on_operation_failed)
     #.done()

  package_operation: (operation) =>
    deferred = Q.defer()
    try
      deferred.resolve(
        @engine.execute_operation
          message: operation
          uid: undefined)
    catch err
      deferred.reject(err)

    return deferred.promise

  on_operation_succeded: (update_set) =>
    console.log "success:", update_set

  on_operation_failed: (error) =>
    console.log "failure:", error


Prompt:
Convert this CoffeeScript to JavaScript.
```coffeescript
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    q = Q.all [
      @journal.record(message)
      @replication.send(message)]

    q.then(@package_operation)
     .then(@on_operation_succeded)
     #.fail(@on_operation_failed)
     #.done()

  package_operation: (operation) =>
    deferred = Q.defer()
    try
      deferred.resolve(
        @engine.execute_operation
          message: operation
          uid: undefined)
    catch err
      deferred.reject(err)

    return deferred.promise

  on_operation_succeded: (update_set) =>
    console.log "success:", update_set

  on_operation_failed: (error) =>
    console.log "failure:", error
```

Response:
var DataStore, Operations, ProcessingChainEntrance, Q;

Q = require('q');

DataStore = require('./datastore/datastore');

Operations = require('./operations');

module.exports = ProcessingChainEntrance = class ProcessingChainEntrance {
  constructor(engine, journal, replication) {
    this.start = this.start.bind(this);
    this.forward_operation = this.forward_operation.bind(this);
    //.fail(@on_operation_failed)
    //.done()
    this.package_operation = this.package_operation.bind(this);
    this.on_operation_succeded = this.on_operation_succeded.bind(this);
    this.on_operation_failed = this.on_operation_failed.bind(this);
    this.engine = engine;
    this.journal = journal;
    this.replication = replication;
  }

  start() {
    return Q.all([
      this.journal.start(this.forward_operation).then(() => {
        return console.log('INITIALIZED/REPLAYED LOG');
      }),
      this.replication.start()
    ]);
  }

  forward_operation(operation) {
    var message, q;
    message = JSON.stringify(operation);
    q = Q.all([this.journal.record(message), this.replication.send(message)]);
    return q.then(this.package_operation).then(this.on_operation_succeded);
  }

  package_operation(operation) {
    var deferred, err;
    deferred = Q.defer();
    try {
      deferred.resolve(this.engine.execute_operation({
        message: operation,
        uid: void 0
      }));
    } catch (error1) {
      err = error1;
      deferred.reject(err);
    }
    return deferred.promise;
  }

  on_operation_succeded(update_set) {
    return console.log("success:", update_set);
  }

  on_operation_failed(error) {
    return console.log("failure:", error);
  }

};


Prompt:
Convert this JavaScript to CoffeeScript.
```javascript
var DataStore, Operations, ProcessingChainEntrance, Q;

Q = require('q');

DataStore = require('./datastore/datastore');

Operations = require('./operations');

module.exports = ProcessingChainEntrance = class ProcessingChainEntrance {
  constructor(engine, journal, replication) {
    this.start = this.start.bind(this);
    this.forward_operation = this.forward_operation.bind(this);
    //.fail(@on_operation_failed)
    //.done()
    this.package_operation = this.package_operation.bind(this);
    this.on_operation_succeded = this.on_operation_succeded.bind(this);
    this.on_operation_failed = this.on_operation_failed.bind(this);
    this.engine = engine;
    this.journal = journal;
    this.replication = replication;
  }

  start() {
    return Q.all([
      this.journal.start(this.forward_operation).then(() => {
        return console.log('INITIALIZED/REPLAYED LOG');
      }),
      this.replication.start()
    ]);
  }

  forward_operation(operation) {
    var message, q;
    message = JSON.stringify(operation);
    q = Q.all([this.journal.record(message), this.replication.send(message)]);
    return q.then(this.package_operation).then(this.on_operation_succeded);
  }

  package_operation(operation) {
    var deferred, err;
    deferred = Q.defer();
    try {
      deferred.resolve(this.engine.execute_operation({
        message: operation,
        uid: void 0
      }));
    } catch (error1) {
      err = error1;
      deferred.reject(err);
    }
    return deferred.promise;
  }

  on_operation_succeded(update_set) {
    return console.log("success:", update_set);
  }

  on_operation_failed(error) {
    return console.log("failure:", error);
  }

};
```

Response:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    q = Q.all [
      @journal.record(message)
      @replication.send(message)]

    q.then(@package_operation)
     .then(@on_operation_succeded)
     #.fail(@on_operation_failed)
     #.done()

  package_operation: (operation) =>
    deferred = Q.defer()
    try
      deferred.resolve(
        @engine.execute_operation
          message: operation
          uid: undefined)
    catch err
      deferred.reject(err)

    return deferred.promise

  on_operation_succeded: (update_set) =>
    console.log "success:", update_set

  on_operation_failed: (error) =>
    console.log "failure:", error


Prompt:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    q = Q.all [
      @journal.record(message)
      @replication.send(message)]

    q.then(@package_operation)

Response:
.then(@on_operation_succeded)
     #.fail(@on_operation_failed)
     #.done()

  package_operation: (operation) =>
    deferred = Q.defer()
    try
      deferred.resolve(
        @engine.execute_operation
          message: operation
          uid: undefined)
    catch err
      deferred.reject(err)

    return deferred.promise

  on_operation_succeded: (update_set) =>
    console.log "success:", update_set

  on_operation_failed: (error) =>
    console.log "failure:", error


Response:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

logger = require('../lib/logger')

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    logger.info("Starting PCE")
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then =>
        @engine.execute_operation( operation )


Prompt:
Convert this CoffeeScript to JavaScript.
```coffeescript
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

logger = require('../lib/logger')

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    logger.info("Starting PCE")
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then =>
        @engine.execute_operation( operation )
```

Response:
var DataStore, Operations, ProcessingChainEntrance, Q, logger;

Q = require('q');

DataStore = require('./datastore/datastore');

Operations = require('./operations');

logger = require('../lib/logger');

module.exports = ProcessingChainEntrance = class ProcessingChainEntrance {
  constructor(engine, journal, replication) {
    this.start = this.start.bind(this);
    this.forward_operation = this.forward_operation.bind(this);
    this.engine = engine;
    this.journal = journal;
    this.replication = replication;
  }

  start() {
    logger.info("Starting PCE");
    return Q.all([
      this.journal.start(this.forward_operation).then(() => {
        return console.log('INITIALIZED/REPLAYED LOG');
      }),
      this.replication.start()
    ]);
  }

  forward_operation(operation) {
    var message;
    message = JSON.stringify(operation);
    return Q.all([this.journal.record(message), this.replication.send(message)]).then(() => {
      return this.engine.execute_operation(operation);
    });
  }

};


Prompt:
Convert this JavaScript to CoffeeScript.
```javascript
var DataStore, Operations, ProcessingChainEntrance, Q, logger;

Q = require('q');

DataStore = require('./datastore/datastore');

Operations = require('./operations');

logger = require('../lib/logger');

module.exports = ProcessingChainEntrance = class ProcessingChainEntrance {
  constructor(engine, journal, replication) {
    this.start = this.start.bind(this);
    this.forward_operation = this.forward_operation.bind(this);
    this.engine = engine;
    this.journal = journal;
    this.replication = replication;
  }

  start() {
    logger.info("Starting PCE");
    return Q.all([
      this.journal.start(this.forward_operation).then(() => {
        return console.log('INITIALIZED/REPLAYED LOG');
      }),
      this.replication.start()
    ]);
  }

  forward_operation(operation) {
    var message;
    message = JSON.stringify(operation);
    return Q.all([this.journal.record(message), this.replication.send(message)]).then(() => {
      return this.engine.execute_operation(operation);
    });
  }

};
```

Response:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

logger = require('../lib/logger')

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    logger.info("Starting PCE")
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then =>
        @engine.execute_operation( operation )


Prompt:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

logger = require('../lib/logger')

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    logger.info("Starting PCE")
    Q.all [

Response:
@journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then =>
        @engine.execute_operation( operation )


Response:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

logger = require('../lib/logger')

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    logger.info("Starting PCE")
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then =>
        @engine.execute_operation({
          message: message
          uid: undefined
          #success: undefined
          #error: undefined
        })


Prompt:
Convert this CoffeeScript to JavaScript.
```coffeescript
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

logger = require('../lib/logger')

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    logger.info("Starting PCE")
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then =>
        @engine.execute_operation({
          message: message
          uid: undefined
          #success: undefined
          #error: undefined
        })
```

Response:
var DataStore, Operations, ProcessingChainEntrance, Q, logger;

Q = require('q');

DataStore = require('./datastore/datastore');

Operations = require('./operations');

logger = require('../lib/logger');

module.exports = ProcessingChainEntrance = class ProcessingChainEntrance {
  constructor(engine, journal, replication) {
    this.start = this.start.bind(this);
    this.forward_operation = this.forward_operation.bind(this);
    this.engine = engine;
    this.journal = journal;
    this.replication = replication;
  }

  start() {
    logger.info("Starting PCE");
    return Q.all([
      this.journal.start(this.forward_operation).then(() => {
        return console.log('INITIALIZED/REPLAYED LOG');
      }),
      this.replication.start()
    ]);
  }

  forward_operation(operation) {
    var message;
    message = JSON.stringify(operation);
    return Q.all([this.journal.record(message), this.replication.send(message)]).then(() => {
      return this.engine.execute_operation({
        message: message,
        uid: void 0
      });
    });
  }

};

//success: undefined
//error: undefined


Prompt:
Convert this JavaScript to CoffeeScript.
```javascript
var DataStore, Operations, ProcessingChainEntrance, Q, logger;

Q = require('q');

DataStore = require('./datastore/datastore');

Operations = require('./operations');

logger = require('../lib/logger');

module.exports = ProcessingChainEntrance = class ProcessingChainEntrance {
  constructor(engine, journal, replication) {
    this.start = this.start.bind(this);
    this.forward_operation = this.forward_operation.bind(this);
    this.engine = engine;
    this.journal = journal;
    this.replication = replication;
  }

  start() {
    logger.info("Starting PCE");
    return Q.all([
      this.journal.start(this.forward_operation).then(() => {
        return console.log('INITIALIZED/REPLAYED LOG');
      }),
      this.replication.start()
    ]);
  }

  forward_operation(operation) {
    var message;
    message = JSON.stringify(operation);
    return Q.all([this.journal.record(message), this.replication.send(message)]).then(() => {
      return this.engine.execute_operation({
        message: message,
        uid: void 0
      });
    });
  }

};

//success: undefined
//error: undefined
```

Response:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

logger = require('../lib/logger')

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    logger.info("Starting PCE")
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then =>
        @engine.execute_operation({
          message: message
          uid: undefined
          #success: undefined
          #error: undefined
        })


Prompt:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

logger = require('../lib/logger')

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    logger.info("Starting PCE")
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'

Response:
@replication.start()
    ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then =>
        @engine.execute_operation({
          message: message
          uid: undefined
          #success: undefined
          #error: undefined
        })


Response:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then =>
        @engine.execute_operation({
          message: message
          uid: undefined
          #success: undefined
          #error: undefined
        })


Prompt:
Convert this CoffeeScript to JavaScript.
```coffeescript
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then =>
        @engine.execute_operation({
          message: message
          uid: undefined
          #success: undefined
          #error: undefined
        })
```

Response:
var DataStore, Operations, ProcessingChainEntrance, Q;

Q = require('q');

DataStore = require('./datastore/datastore');

Operations = require('./operations');

module.exports = ProcessingChainEntrance = class ProcessingChainEntrance {
  constructor(engine, journal, replication) {
    this.start = this.start.bind(this);
    this.forward_operation = this.forward_operation.bind(this);
    this.engine = engine;
    this.journal = journal;
    this.replication = replication;
  }

  start() {
    return Q.all([
      this.journal.start(this.forward_operation).then(() => {
        return console.log('INITIALIZED/REPLAYED LOG');
      }),
      this.replication.start()
    ]);
  }

  forward_operation(operation) {
    var message;
    message = JSON.stringify(operation);
    return Q.all([this.journal.record(message), this.replication.send(message)]).then(() => {
      return this.engine.execute_operation({
        message: message,
        uid: void 0
      });
    });
  }

};

//success: undefined
//error: undefined


Prompt:
Convert this JavaScript to CoffeeScript.
```javascript
var DataStore, Operations, ProcessingChainEntrance, Q;

Q = require('q');

DataStore = require('./datastore/datastore');

Operations = require('./operations');

module.exports = ProcessingChainEntrance = class ProcessingChainEntrance {
  constructor(engine, journal, replication) {
    this.start = this.start.bind(this);
    this.forward_operation = this.forward_operation.bind(this);
    this.engine = engine;
    this.journal = journal;
    this.replication = replication;
  }

  start() {
    return Q.all([
      this.journal.start(this.forward_operation).then(() => {
        return console.log('INITIALIZED/REPLAYED LOG');
      }),
      this.replication.start()
    ]);
  }

  forward_operation(operation) {
    var message;
    message = JSON.stringify(operation);
    return Q.all([this.journal.record(message), this.replication.send(message)]).then(() => {
      return this.engine.execute_operation({
        message: message,
        uid: void 0
      });
    });
  }

};

//success: undefined
//error: undefined
```

Response:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then =>
        @engine.execute_operation({
          message: message
          uid: undefined
          #success: undefined
          #error: undefined
        })


Prompt:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

Response:
forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then =>
        @engine.execute_operation({
          message: message
          uid: undefined
          #success: undefined
          #error: undefined
        })


Response:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then =>
        @engine.execute_operation({
          message: message
          uid: undefined
          success: undefined
          error: undefined
        })


Prompt:
Convert this CoffeeScript to JavaScript.
```coffeescript
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then =>
        @engine.execute_operation({
          message: message
          uid: undefined
          success: undefined
          error: undefined
        })
```

Response:
var DataStore, Operations, ProcessingChainEntrance, Q;

Q = require('q');

DataStore = require('./datastore/datastore');

Operations = require('./operations');

module.exports = ProcessingChainEntrance = class ProcessingChainEntrance {
  constructor(engine, journal, replication) {
    this.start = this.start.bind(this);
    this.forward_operation = this.forward_operation.bind(this);
    this.engine = engine;
    this.journal = journal;
    this.replication = replication;
  }

  start() {
    return Q.all([
      this.journal.start(this.forward_operation).then(() => {
        return console.log('INITIALIZED/REPLAYED LOG');
      }),
      this.replication.start()
    ]);
  }

  forward_operation(operation) {
    var message;
    message = JSON.stringify(operation);
    return Q.all([this.journal.record(message), this.replication.send(message)]).then(() => {
      return this.engine.execute_operation({
        message: message,
        uid: void 0,
        success: void 0,
        error: void 0
      });
    });
  }

};


Prompt:
Convert this JavaScript to CoffeeScript.
```javascript
var DataStore, Operations, ProcessingChainEntrance, Q;

Q = require('q');

DataStore = require('./datastore/datastore');

Operations = require('./operations');

module.exports = ProcessingChainEntrance = class ProcessingChainEntrance {
  constructor(engine, journal, replication) {
    this.start = this.start.bind(this);
    this.forward_operation = this.forward_operation.bind(this);
    this.engine = engine;
    this.journal = journal;
    this.replication = replication;
  }

  start() {
    return Q.all([
      this.journal.start(this.forward_operation).then(() => {
        return console.log('INITIALIZED/REPLAYED LOG');
      }),
      this.replication.start()
    ]);
  }

  forward_operation(operation) {
    var message;
    message = JSON.stringify(operation);
    return Q.all([this.journal.record(message), this.replication.send(message)]).then(() => {
      return this.engine.execute_operation({
        message: message,
        uid: void 0,
        success: void 0,
        error: void 0
      });
    });
  }

};
```

Response:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

  forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then =>
        @engine.execute_operation({
          message: message
          uid: undefined
          success: undefined
          error: undefined
        })


Prompt:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->

  start: =>
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

Response:
forward_operation: (operation) =>
    message = JSON.stringify(operation)
    Q.all([
      @journal.record(message)
      @replication.send(message)
    ]).then =>
        @engine.execute_operation({
          message: message
          uid: undefined
          success: undefined
          error: undefined
        })


Response:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->
    # @replication = new ReplicationThing

  start: =>
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

  forward_operation: (operation) =>
    Q.all( [
      @journal.record(operation)
      # replicate
      @replication.send(operation)
    ])
    .then =>
      # all complete -> put on queue
      @engine.execute_operation( operation )


Prompt:
Convert this CoffeeScript to JavaScript.
```coffeescript
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->
    # @replication = new ReplicationThing

  start: =>
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

  forward_operation: (operation) =>
    Q.all( [
      @journal.record(operation)
      # replicate
      @replication.send(operation)
    ])
    .then =>
      # all complete -> put on queue
      @engine.execute_operation( operation )
```

Response:
var DataStore, Operations, ProcessingChainEntrance, Q;

Q = require('q');

DataStore = require('./datastore/datastore');

Operations = require('./operations');

module.exports = ProcessingChainEntrance = class ProcessingChainEntrance {
  constructor(engine, journal, replication) {
    // @replication = new ReplicationThing
    this.start = this.start.bind(this);
    this.forward_operation = this.forward_operation.bind(this);
    this.engine = engine;
    this.journal = journal;
    this.replication = replication;
  }

  start() {
    return Q.all([
      this.journal.start(this.forward_operation).then(() => {
        return console.log('INITIALIZED/REPLAYED LOG');
      }),
      this.replication.start()
    ]);
  }

  forward_operation(operation) {
    return Q.all([
      this.journal.record(operation),
      // replicate
      this.replication.send(operation)
    ]).then(() => {
      // all complete -> put on queue
      return this.engine.execute_operation(operation);
    });
  }

};


Prompt:
Convert this JavaScript to CoffeeScript.
```javascript
var DataStore, Operations, ProcessingChainEntrance, Q;

Q = require('q');

DataStore = require('./datastore/datastore');

Operations = require('./operations');

module.exports = ProcessingChainEntrance = class ProcessingChainEntrance {
  constructor(engine, journal, replication) {
    // @replication = new ReplicationThing
    this.start = this.start.bind(this);
    this.forward_operation = this.forward_operation.bind(this);
    this.engine = engine;
    this.journal = journal;
    this.replication = replication;
  }

  start() {
    return Q.all([
      this.journal.start(this.forward_operation).then(() => {
        return console.log('INITIALIZED/REPLAYED LOG');
      }),
      this.replication.start()
    ]);
  }

  forward_operation(operation) {
    return Q.all([
      this.journal.record(operation),
      // replicate
      this.replication.send(operation)
    ]).then(() => {
      // all complete -> put on queue
      return this.engine.execute_operation(operation);
    });
  }

};
```

Response:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->
    # @replication = new ReplicationThing

  start: =>
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

  forward_operation: (operation) =>
    Q.all( [
      @journal.record(operation)
      # replicate
      @replication.send(operation)
    ])
    .then =>
      # all complete -> put on queue
      @engine.execute_operation( operation )


Prompt:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @journal, @replication) ->
    # @replication = new ReplicationThing

  start: =>
    Q.all [
      @journal.start(@forward_operation).then =>
        console.log 'INITIALIZED/REPLAYED LOG'

Response:
@replication.start()
    ]

  forward_operation: (operation) =>
    Q.all( [
      @journal.record(operation)
      # replicate
      @replication.send(operation)
    ])
    .then =>
      # all complete -> put on queue
      @engine.execute_operation( operation )


Response:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @tlog, @replication) ->

  start: =>
    Q.all [
      @tlog.start(@forward_message).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

  forward_message: (message) =>
    Q.all([
      @tlog.record(JSON.stringify(message))
      @replication.send(message)
    ]).then =>
        @engine.execute_operation({
          message: message
          uid: undefined
          success: undefined
          error: undefined
        })


Prompt:
Convert this CoffeeScript to JavaScript.
```coffeescript
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @tlog, @replication) ->

  start: =>
    Q.all [
      @tlog.start(@forward_message).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

  forward_message: (message) =>
    Q.all([
      @tlog.record(JSON.stringify(message))
      @replication.send(message)
    ]).then =>
        @engine.execute_operation({
          message: message
          uid: undefined
          success: undefined
          error: undefined
        })
```

Response:
var DataStore, Operations, ProcessingChainEntrance, Q;

Q = require('q');

DataStore = require('./datastore/datastore');

Operations = require('./operations');

module.exports = ProcessingChainEntrance = class ProcessingChainEntrance {
  constructor(engine, tlog, replication) {
    this.start = this.start.bind(this);
    this.forward_message = this.forward_message.bind(this);
    this.engine = engine;
    this.tlog = tlog;
    this.replication = replication;
  }

  start() {
    return Q.all([
      this.tlog.start(this.forward_message).then(() => {
        return console.log('INITIALIZED/REPLAYED LOG');
      }),
      this.replication.start()
    ]);
  }

  forward_message(message) {
    return Q.all([this.tlog.record(JSON.stringify(message)), this.replication.send(message)]).then(() => {
      return this.engine.execute_operation({
        message: message,
        uid: void 0,
        success: void 0,
        error: void 0
      });
    });
  }

};


Prompt:
Convert this JavaScript to CoffeeScript.
```javascript
var DataStore, Operations, ProcessingChainEntrance, Q;

Q = require('q');

DataStore = require('./datastore/datastore');

Operations = require('./operations');

module.exports = ProcessingChainEntrance = class ProcessingChainEntrance {
  constructor(engine, tlog, replication) {
    this.start = this.start.bind(this);
    this.forward_message = this.forward_message.bind(this);
    this.engine = engine;
    this.tlog = tlog;
    this.replication = replication;
  }

  start() {
    return Q.all([
      this.tlog.start(this.forward_message).then(() => {
        return console.log('INITIALIZED/REPLAYED LOG');
      }),
      this.replication.start()
    ]);
  }

  forward_message(message) {
    return Q.all([this.tlog.record(JSON.stringify(message)), this.replication.send(message)]).then(() => {
      return this.engine.execute_operation({
        message: message,
        uid: void 0,
        success: void 0,
        error: void 0
      });
    });
  }

};
```

Response:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @tlog, @replication) ->

  start: =>
    Q.all [
      @tlog.start(@forward_message).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

  forward_message: (message) =>
    Q.all([
      @tlog.record(JSON.stringify(message))
      @replication.send(message)
    ]).then =>
        @engine.execute_operation({
          message: message
          uid: undefined
          success: undefined
          error: undefined
        })


Prompt:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @tlog, @replication) ->

  start: =>
    Q.all [
      @tlog.start(@forward_message).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()

Response:
]

  forward_message: (message) =>
    Q.all([
      @tlog.record(JSON.stringify(message))
      @replication.send(message)
    ]).then =>
        @engine.execute_operation({
          message: message
          uid: undefined
          success: undefined
          error: undefined
        })


Response:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @tlog, @replication) ->
    # @replication = new ReplicationThing

  start: =>
    Q.all [
      @tlog.start(@forward_message).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

  forward_message: (message) =>
    Q.all( [
      @tlog.record(message)
      # replicate
      @replication.send(message)
    ])
    .then =>
      # all complete -> put on queue
      @engine.push({
        message: message
        uid: undefined
        success: undefined
        error: undefined
      })


Prompt:
Convert this CoffeeScript to JavaScript.
```coffeescript
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @tlog, @replication) ->
    # @replication = new ReplicationThing

  start: =>
    Q.all [
      @tlog.start(@forward_message).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

  forward_message: (message) =>
    Q.all( [
      @tlog.record(message)
      # replicate
      @replication.send(message)
    ])
    .then =>
      # all complete -> put on queue
      @engine.push({
        message: message
        uid: undefined
        success: undefined
        error: undefined
      })
```

Response:
var DataStore, Operations, ProcessingChainEntrance, Q;

Q = require('q');

DataStore = require('./datastore/datastore');

Operations = require('./operations');

module.exports = ProcessingChainEntrance = class ProcessingChainEntrance {
  constructor(engine, tlog, replication) {
    // @replication = new ReplicationThing
    this.start = this.start.bind(this);
    this.forward_message = this.forward_message.bind(this);
    this.engine = engine;
    this.tlog = tlog;
    this.replication = replication;
  }

  start() {
    return Q.all([
      this.tlog.start(this.forward_message).then(() => {
        return console.log('INITIALIZED/REPLAYED LOG');
      }),
      this.replication.start()
    ]);
  }

  forward_message(message) {
    return Q.all([
      this.tlog.record(message),
      // replicate
      this.replication.send(message)
    ]).then(() => {
      // all complete -> put on queue
      return this.engine.push({
        message: message,
        uid: void 0,
        success: void 0,
        error: void 0
      });
    });
  }

};


Prompt:
Convert this JavaScript to CoffeeScript.
```javascript
var DataStore, Operations, ProcessingChainEntrance, Q;

Q = require('q');

DataStore = require('./datastore/datastore');

Operations = require('./operations');

module.exports = ProcessingChainEntrance = class ProcessingChainEntrance {
  constructor(engine, tlog, replication) {
    // @replication = new ReplicationThing
    this.start = this.start.bind(this);
    this.forward_message = this.forward_message.bind(this);
    this.engine = engine;
    this.tlog = tlog;
    this.replication = replication;
  }

  start() {
    return Q.all([
      this.tlog.start(this.forward_message).then(() => {
        return console.log('INITIALIZED/REPLAYED LOG');
      }),
      this.replication.start()
    ]);
  }

  forward_message(message) {
    return Q.all([
      this.tlog.record(message),
      // replicate
      this.replication.send(message)
    ]).then(() => {
      // all complete -> put on queue
      return this.engine.push({
        message: message,
        uid: void 0,
        success: void 0,
        error: void 0
      });
    });
  }

};
```

Response:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @tlog, @replication) ->
    # @replication = new ReplicationThing

  start: =>
    Q.all [
      @tlog.start(@forward_message).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

  forward_message: (message) =>
    Q.all( [
      @tlog.record(message)
      # replicate
      @replication.send(message)
    ])
    .then =>
      # all complete -> put on queue
      @engine.push({
        message: message
        uid: undefined
        success: undefined
        error: undefined
      })


Prompt:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @tlog, @replication) ->
    # @replication = new ReplicationThing

  start: =>
    Q.all [
      @tlog.start(@forward_message).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

Response:
forward_message: (message) =>
    Q.all( [
      @tlog.record(message)
      # replicate
      @replication.send(message)
    ])
    .then =>
      # all complete -> put on queue
      @engine.push({
        message: message
        uid: undefined
        success: undefined
        error: undefined
      })


Response:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @tlog, @replication) ->
    # @replication = new ReplicationThing

  start: =>
    Q.all [
      @tlog.start(@forward_message).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

  forward_message: (message) =>
    Q.all( [
      @tlog.record(message)
      # replicate
      @replication.send(message)
    ])
    .then =>
      # all complete -> put on queue
      @businessQueue.push({
        message: message
        uid: undefined
        success: undefined
        error: undefined
      })


Prompt:
Convert this CoffeeScript to JavaScript.
```coffeescript
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @tlog, @replication) ->
    # @replication = new ReplicationThing

  start: =>
    Q.all [
      @tlog.start(@forward_message).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

  forward_message: (message) =>
    Q.all( [
      @tlog.record(message)
      # replicate
      @replication.send(message)
    ])
    .then =>
      # all complete -> put on queue
      @businessQueue.push({
        message: message
        uid: undefined
        success: undefined
        error: undefined
      })
```

Response:
var DataStore, Operations, ProcessingChainEntrance, Q;

Q = require('q');

DataStore = require('./datastore/datastore');

Operations = require('./operations');

module.exports = ProcessingChainEntrance = class ProcessingChainEntrance {
  constructor(engine, tlog, replication) {
    // @replication = new ReplicationThing
    this.start = this.start.bind(this);
    this.forward_message = this.forward_message.bind(this);
    this.engine = engine;
    this.tlog = tlog;
    this.replication = replication;
  }

  start() {
    return Q.all([
      this.tlog.start(this.forward_message).then(() => {
        return console.log('INITIALIZED/REPLAYED LOG');
      }),
      this.replication.start()
    ]);
  }

  forward_message(message) {
    return Q.all([
      this.tlog.record(message),
      // replicate
      this.replication.send(message)
    ]).then(() => {
      // all complete -> put on queue
      return this.businessQueue.push({
        message: message,
        uid: void 0,
        success: void 0,
        error: void 0
      });
    });
  }

};


Prompt:
Convert this JavaScript to CoffeeScript.
```javascript
var DataStore, Operations, ProcessingChainEntrance, Q;

Q = require('q');

DataStore = require('./datastore/datastore');

Operations = require('./operations');

module.exports = ProcessingChainEntrance = class ProcessingChainEntrance {
  constructor(engine, tlog, replication) {
    // @replication = new ReplicationThing
    this.start = this.start.bind(this);
    this.forward_message = this.forward_message.bind(this);
    this.engine = engine;
    this.tlog = tlog;
    this.replication = replication;
  }

  start() {
    return Q.all([
      this.tlog.start(this.forward_message).then(() => {
        return console.log('INITIALIZED/REPLAYED LOG');
      }),
      this.replication.start()
    ]);
  }

  forward_message(message) {
    return Q.all([
      this.tlog.record(message),
      // replicate
      this.replication.send(message)
    ]).then(() => {
      // all complete -> put on queue
      return this.businessQueue.push({
        message: message,
        uid: void 0,
        success: void 0,
        error: void 0
      });
    });
  }

};
```

Response:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @tlog, @replication) ->
    # @replication = new ReplicationThing

  start: =>
    Q.all [
      @tlog.start(@forward_message).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

  forward_message: (message) =>
    Q.all( [
      @tlog.record(message)
      # replicate
      @replication.send(message)
    ])
    .then =>
      # all complete -> put on queue
      @businessQueue.push({
        message: message
        uid: undefined
        success: undefined
        error: undefined
      })


Prompt:
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: (@engine, @tlog, @replication) ->
    # @replication = new ReplicationThing

  start: =>
    Q.all [
      @tlog.start(@forward_message).then =>
        console.log 'INITIALIZED/REPLAYED LOG'
      @replication.start()
    ]

Response:
forward_message: (message) =>
    Q.all( [
      @tlog.record(message)
      # replicate
      @replication.send(message)
    ])
    .then =>
      # all complete -> put on queue
      @businessQueue.push({
        message: message
        uid: undefined
        success: undefined
        error: undefined
      })


Response:
TransactionLog = require './transactionlog'
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: () ->
    @tlog = new TransactionLog
    # @replication = new ReplicationThing

  start: =>
    @tlog.start(@forward_message).then =>
      console.log 'INITIALIZED/REPLAYED LOG'

  forward_message: (message) =>
    Q.all( [
      @tlog.record(message)
      # replicate
      # package
    ])
    .then =>
      # all three complete -> put on queue


Prompt:
Convert this CoffeeScript to JavaScript.
```coffeescript
TransactionLog = require './transactionlog'
Q = require 'q'
DataStore = require './datastore/datastore'
Operations = require './operations'

module.exports = class ProcessingChainEntrance
  constructor: () ->
    @tlog = new TransactionLog
    # @replication = new ReplicationThing

  start: =>
    @tlog.start(@forward_message).then =>
      console.log 'INITIALIZED/REPLAYED LOG'

  forward_message: (message) =>
    Q.all( [
      @tlog.record(message)
      # replicate
      # package
    ])
    .then =>
      # all three complete -> put on queue
```

Response:
var DataStore, Operations, ProcessingChainEntrance, Q, TransactionLog;

TransactionLog = require('./transactionlog');

Q = require('q');

DataStore = require('./datastore/datastore');

Operations = require('./operations');

module.exports = ProcessingChainEntrance = class ProcessingChainEntrance {
  constructor() {
    // @replication = new ReplicationThing
    this.start = this.start.bind(this);
    this.forward_message = this.forward_message.bind(this);
    this.tlog = new TransactionLog();
  }

  start() {
    return this.tlog.start(this.forward_message).then(() => {
      return console.log('INITIALIZED/REPLAYED LOG');
    });
  }

  forward_message(message) {
    // replicate
    // package
    return Q.all([this.tlog.record(message)]).then(() => {});
  }

};

// all three complete -> put on queue