| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.giraph.graph; |
| |
| import org.apache.hadoop.io.Writable; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| import java.net.InetSocketAddress; |
| |
| /** |
| * Abstract class for information about any task - worker or master. |
| */ |
| public abstract class TaskInfo implements Writable { |
| /** Task hostname */ |
| private String hostname; |
| /** Port that the IPC server is using */ |
| private int port; |
| /** Task partition id */ |
| private int taskId = -1; |
| /** Task host IP */ |
| private String hostOrIp; |
| |
| /** |
| * Constructor |
| */ |
| public TaskInfo() { |
| } |
| |
| /** |
| * Get this task's hostname |
| * |
| * @return Hostname |
| */ |
| public String getHostname() { |
| return hostname.toLowerCase(); |
| } |
| |
| /** |
| * Get this task's host address. Could be IP. |
| * |
| * @return host address |
| */ |
| public String getHostOrIp() { |
| return hostOrIp; |
| } |
| |
| /** |
| * Get port that the IPC server of this task is using |
| * |
| * @return Port |
| */ |
| public int getPort() { |
| return port; |
| } |
| |
| /** |
| * Set address that the IPC server of this task is using |
| * |
| * @param address Address |
| * @param host host name or IP |
| */ |
| public void setInetSocketAddress(InetSocketAddress address, String host) { |
| this.port = address.getPort(); |
| this.hostname = address.getHostName(); |
| this.hostOrIp = host; |
| } |
| |
| /** |
| * Get a new instance of the InetSocketAddress for this hostname and port |
| * |
| * @return InetSocketAddress of the hostname and port. |
| */ |
| public InetSocketAddress getInetSocketAddress() { |
| return new InetSocketAddress(hostOrIp, port); |
| } |
| |
| /** |
| * Set task partition id of this task |
| * |
| * @param taskId partition id |
| */ |
| public void setTaskId(int taskId) { |
| this.taskId = taskId; |
| } |
| |
| /** |
| * Get task partition id of this task |
| * |
| * @return Task partition id of this task |
| */ |
| public int getTaskId() { |
| return taskId; |
| } |
| |
| /** |
| * Get hostname and task id |
| * |
| * @return Hostname and task id |
| */ |
| public String getHostnameId() { |
| return getHostname() + "_" + getTaskId(); |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| if (other instanceof TaskInfo) { |
| TaskInfo taskInfo = (TaskInfo) other; |
| if (getHostname().equals(taskInfo.getHostname()) && |
| getHostOrIp().equals(taskInfo.getHostOrIp()) && |
| (getTaskId() == taskInfo.getTaskId()) && |
| (port == taskInfo.getPort() && |
| (taskId == taskInfo.getTaskId()))) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public String toString() { |
| return "hostname=" + getHostname() + |
| " hostOrIp=" + getHostOrIp() + |
| ", MRtaskID=" + getTaskId() + |
| ", port=" + getPort(); |
| } |
| |
| @Override |
| public void readFields(DataInput input) throws IOException { |
| hostname = input.readUTF(); |
| hostOrIp = input.readUTF(); |
| port = input.readInt(); |
| taskId = input.readInt(); |
| } |
| |
| @Override |
| public void write(DataOutput output) throws IOException { |
| output.writeUTF(hostname); |
| output.writeUTF(hostOrIp); |
| output.writeInt(port); |
| output.writeInt(taskId); |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = 17; |
| result = 37 * result + getPort(); |
| result = 37 * result + hostname.hashCode(); |
| result = 37 * result + hostOrIp.hashCode(); |
| result = 37 * result + getTaskId(); |
| return result; |
| } |
| |
| } |