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"""
Default base task.
"""
from abc import abstractmethod

from liminal.runners.airflow.model.task import Task


class JobPhaseTask(Task):
    """
    Job phase task. A task that runs automatically at a specific phase in the pipeline.
    """

    def __init__(self, dag, liminal_config, pipeline_config, task_config, parent, trigger_rule):
        super().__init__(dag, liminal_config, pipeline_config, task_config, parent, trigger_rule)
        metrics = self.liminal_config.get('metrics', {})
        self.metrics_namespace = metrics.get('namespace', '')
        self.metrics_backends = metrics.get('backends', [])

    @abstractmethod
    def apply_task_to_dag(self):
        pass
