001/*
002 * JPPF.
003 * Copyright (C) 2005-2018 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.event;
020
021import java.util.EventListener;
022
023/**
024 * Interface for classes that wish to be notified of jobs added to or removed from the job queue. 
025 * @author Laurent Cohen
026 * @since 4.1
027 */
028public interface ClientQueueListener extends EventListener {
029  /**
030   * Called to notify that a job was added to the queue.
031   * @param event the event to notify of. 
032   */
033  void jobAdded(ClientQueueEvent event);
034
035  /**
036   * Called to notify that a job was removed from the queue.
037   * @param event the event to notify of. 
038   */
039  void jobRemoved(ClientQueueEvent event);
040}