text: # No shebang line, this module is meant to be imported
  #
  # Copyright 2015 Ambient Entertainment GmbH & Co. KG
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #    http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  """
  TaskEventCount Model
  ====================
  
  Model describing the number of events that happened for tasks over a time
  period
  """
  
  from datetime import datetime
  
  from pyfarm.master.application import db
  from pyfarm.master.config import config
  
  from pyfarm.models.core.types import id_column
  
  
  class TaskEventCount(db.Model):
      __bind_key__ = 'statistics'
      __tablename__ = config.get("table_statistics_task_event_count")
  
      id = id_column(db.Integer)
  
      time_start = db.Column(
          db.DateTime,
          nullable=False,
          default=datetime.utcnow)
  
      time_end = db.Column(
          db.DateTime,
          nullable=False,
          default=datetime.utcnow)
  
      # No foreign key reference, because this table is stored in a separate db
      # Code reading it will have to check for referential integrity manually.
      job_queue_id = db.Column(
          db.Integer,
          nullable=True,
          doc="ID of the jobqueue these stats refer to")
  
      num_new = db.Column(
          db.Integer,
          nullable=False,
          default=0,
          doc="Number of tasks that were newly created during the time period")
  
      num_deleted = db.Column(
          db.Integer,
          nullable=False,
          default=0,
          doc="Number of tasks that were deleted during the time period")
  
      num_restarted = db.Column(
          db.Integer,
          nullable=False,
          default=0,
          doc="Number of tasks that were restarted during the time period")
  
      num_started = db.Column(
          db.Integer,
          nullable=False,
          default=0,
          doc="Number of tasks that work was started on during the time period")
  
      num_failed = db.Column(
          db.Integer,
          nullable=False,
          default=0,
          doc="Number of tasks that failed during the time period")
  
      num_done = db.Column(
          db.Integer,
          nullable=False,
          default=0,
          doc="Number of tasks that were finished successfully during the time "
              "period")
  