/*
 * Copyright 2019 WeBank
 *
 * 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.
 */

package com.webank.wedatasphere.linkis.scheduler.queue

import java.util.concurrent.ExecutorService

import com.webank.wedatasphere.linkis.common.utils.{Logging, Utils}
import com.webank.wedatasphere.linkis.scheduler.SchedulerContext

/**
  * Created by enjoyyin on 2018/8/31.
  */
abstract class Consumer(schedulerContext: SchedulerContext,
                        executeService: ExecutorService) extends Runnable with Logging {

  var terminate = false

  def setConsumeQueue(consumeQueue: ConsumeQueue): Unit

  def getConsumeQueue: ConsumeQueue

  def getGroup: Group

  def setGroup(group: Group): Unit

  def getRunningEvents: Array[SchedulerEvent]

  def start(): Unit

  def shutdown(): Unit = {
    info(s"$toString is ready to stop!")
    terminate = true
    info(s"$toString stopped!")
  }

  override def toString: String = getGroup.getGroupName + "Consumer"
}