This project has retired. For details please refer to its Attic page.
NettyMasterServer xref
View Javadoc

1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  
19  package org.apache.giraph.comm.netty;
20  
21  import java.net.InetSocketAddress;
22  
23  import org.apache.giraph.bsp.CentralizedServiceMaster;
24  import org.apache.giraph.comm.MasterServer;
25  import org.apache.giraph.comm.flow_control.FlowControl;
26  import org.apache.giraph.comm.netty.handler.MasterRequestServerHandler;
27  import org.apache.giraph.conf.ImmutableClassesGiraphConfiguration;
28  import org.apache.hadoop.util.Progressable;
29  
30  /**
31   * Netty implementation of {@link MasterServer}
32   */
33  public class NettyMasterServer implements MasterServer {
34    /** Netty client that does the actual I/O */
35    private final NettyServer nettyServer;
36  
37    /**
38     * Constructor
39     *
40     * @param conf Hadoop configuration
41     * @param service Centralized service
42     * @param progressable Progressable for reporting progress
43     * @param exceptionHandler to handle uncaught exceptions
44     */
45    public NettyMasterServer(ImmutableClassesGiraphConfiguration conf,
46        CentralizedServiceMaster<?, ?, ?> service,
47        Progressable progressable,
48        Thread.UncaughtExceptionHandler exceptionHandler) {
49      nettyServer = new NettyServer(conf,
50          new MasterRequestServerHandler.Factory(service.getGlobalCommHandler()),
51          service.getMasterInfo(), progressable, exceptionHandler);
52      nettyServer.start();
53    }
54  
55    @Override
56    public InetSocketAddress getMyAddress() {
57      return nettyServer.getMyAddress();
58    }
59  
60    @Override
61    public String getLocalHostOrIp() {
62      return nettyServer.getLocalHostOrIp();
63    }
64  
65    @Override
66    public void close() {
67      nettyServer.stop();
68    }
69  
70    @Override
71    public void setFlowControl(FlowControl flowControl) {
72      nettyServer.setFlowControl(flowControl);
73    }
74  }