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 }