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MasterServer xref
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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;
20  
21  import org.apache.giraph.comm.flow_control.FlowControl;
22  
23  import java.net.InetSocketAddress;
24  
25  /**
26   * Interface for master to receive messages from workers
27   */
28  public interface MasterServer {
29    /**
30     * Get server address
31     *
32     * @return Address used by this server
33     */
34    InetSocketAddress getMyAddress();
35  
36    /**
37     * Get server host or IP
38     *
39     * @return Server host or IP
40     */
41    String getLocalHostOrIp();
42  
43    /**
44     * Shuts down.
45     */
46    void close();
47  
48    /**
49     * Inform the server about the flow control policy used in sending requests
50     *
51     * @param flowControl reference to flow control policy
52     */
53    void setFlowControl(FlowControl flowControl);
54  }