001    /*
002     * Copyright 2011 Christian Kumpe http://kumpe.de/christian/java
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     *     http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    package de.kumpe.hadooptimizer.jeneva.server;
017    
018    import java.util.concurrent.Callable;
019    
020    public abstract class ServerTask<V> implements Callable<V> {
021            protected interface ClientTaskService {
022                    void addClientTask(final Runnable task);
023    
024                    void removeClientTask(Runnable task);
025            }
026    
027            int port;
028            transient ClientTaskService clientTaskService;
029    
030            protected ClientTaskService getClientTaskService() {
031                    return clientTaskService;
032            }
033    
034            protected int getPort() {
035                    return port;
036            }
037    }