private void loadInfo(String appId, Properties properties) {
    // examples:
    // my_amazing_task_id
    _taskId = properties.getProperty(AIRFLOW_TASK_ID);
    // 2016-06-27T01:30:00
    _taskInstanceExecutionDate = properties.getProperty(AIRFLOW_TASK_INSTANCE_EXECUTION_DATE);
    // my_amazing_dag_id
    _dagId = properties.getProperty(AIRFLOW_DAG_ID); //
    // 2016-06-27T00:00:00
    _dagRunExecutionDate = properties.getProperty(AIRFLOW_DAG_RUN_EXECUTION_DATE);

    _subdagDepth = 0; // TODO: Add sub-dag support
  }
This class provides methods to load information specific to the Airflow scheduler.
app/com/linkedin/drelephant/schedulers/AirflowScheduler.java