001/*
002 * JPPF.
003 * Copyright (C) 2005-2016 JPPF Team.
004 * http://www.jppf.org
005 *
006 * Licensed under the Apache License, Version 2.0 (the "License");
007 * you may not use this file except in compliance with the License.
008 * You may obtain a copy of the License at
009 *
010 *   http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018
019package org.jppf.client.monitoring.jobs;
020
021import java.util.EventListener;
022
023/**
024 * Listener interface for changes in the jobs of one or more drivers. 
025 * @author Laurent Cohen
026 * @since 5.1
027 */
028public interface JobMonitoringListener extends EventListener {
029  /**
030   * Called when a new driver is added to the topology.
031   * @param event the event encapsulating the change information.
032   */
033  void driverAdded(JobMonitoringEvent event);
034
035  /**
036   * Called when a new driver is added to the topology.
037   * @param event the event encapsulating the change information.
038   */
039  void driverRemoved(JobMonitoringEvent event);
040
041  /**
042   * Called when a job is added to the driver queue.
043   * @param event the event encapsulating the change information.
044   */
045  void jobAdded(JobMonitoringEvent event);
046
047  /**
048   * Called when a job is removed from the driver queue.
049   * @param event the event encapsulating the change information.
050   */
051  void jobRemoved(JobMonitoringEvent event);
052
053  /**
054   * Called when the state a job has changed.
055   * @param event the event encapsulating the change information.
056   */
057  void jobUpdated(JobMonitoringEvent event);
058
059  /**
060   * Called when a job is dispatched to a node.
061   * @param event the event encapsulating the change information.
062   */
063  void jobDispatchAdded(JobMonitoringEvent event);
064
065  /**
066   * Called when a job dispatch returns from a node.
067   * @param event the event encapsulating the change information.
068   */
069  void jobDispatchRemoved(JobMonitoringEvent event);
070}