| /** |
| * 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.hadoop.mapred; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.mapreduce.test.system.TTTaskInfo; |
| /** |
| * Abstract class which passes the Task view of the TaskTracker to the client. |
| * See {@link TTInfoImpl} for further details. |
| * |
| */ |
| abstract class TTTaskInfoImpl implements TTTaskInfo { |
| |
| private boolean slotTaken; |
| private boolean wasKilled; |
| TaskStatus status; |
| Configuration conf; |
| String user; |
| boolean isTaskCleanupTask; |
| private String pid; |
| |
| public TTTaskInfoImpl() { |
| } |
| |
| public TTTaskInfoImpl(boolean slotTaken, boolean wasKilled, |
| TaskStatus status, Configuration conf, String user, |
| boolean isTaskCleanupTask, String pid) { |
| super(); |
| this.slotTaken = slotTaken; |
| this.wasKilled = wasKilled; |
| this.status = status; |
| this.conf = conf; |
| this.user = user; |
| this.isTaskCleanupTask = isTaskCleanupTask; |
| this.pid = pid; |
| } |
| |
| @Override |
| public boolean slotTaken() { |
| return slotTaken; |
| } |
| |
| @Override |
| public boolean wasKilled() { |
| return wasKilled; |
| } |
| |
| @Override |
| public abstract TaskStatus getTaskStatus(); |
| |
| @Override |
| public Configuration getConf() { |
| return conf; |
| } |
| |
| @Override |
| public String getUser() { |
| return user; |
| } |
| |
| @Override |
| public boolean isTaskCleanupTask() { |
| return isTaskCleanupTask; |
| } |
| |
| @Override |
| public String getPid() { |
| return pid; |
| } |
| |
| @Override |
| public void readFields(DataInput in) throws IOException { |
| slotTaken = in.readBoolean(); |
| wasKilled = in.readBoolean(); |
| conf = new Configuration(); |
| conf.readFields(in); |
| user = in.readUTF(); |
| isTaskCleanupTask = in.readBoolean(); |
| pid = in.readUTF(); |
| } |
| |
| @Override |
| public void write(DataOutput out) throws IOException { |
| out.writeBoolean(slotTaken); |
| out.writeBoolean(wasKilled); |
| conf.write(out); |
| out.writeUTF(user); |
| out.writeBoolean(isTaskCleanupTask); |
| if (pid != null) { |
| out.writeUTF(pid); |
| } else { |
| out.writeUTF(""); |
| } |
| status.write(out); |
| } |
| |
| static class MapTTTaskInfo extends TTTaskInfoImpl { |
| |
| public MapTTTaskInfo() { |
| super(); |
| } |
| |
| public MapTTTaskInfo(boolean slotTaken, boolean wasKilled, |
| MapTaskStatus status, Configuration conf, String user, |
| boolean isTaskCleanup,String pid) { |
| super(slotTaken, wasKilled, status, conf, user, isTaskCleanup, pid); |
| } |
| |
| @Override |
| public TaskStatus getTaskStatus() { |
| return status; |
| } |
| |
| public void readFields(DataInput in) throws IOException { |
| super.readFields(in); |
| status = new MapTaskStatus(); |
| status.readFields(in); |
| } |
| } |
| |
| static class ReduceTTTaskInfo extends TTTaskInfoImpl { |
| |
| public ReduceTTTaskInfo() { |
| super(); |
| } |
| |
| public ReduceTTTaskInfo(boolean slotTaken, boolean wasKilled, |
| ReduceTaskStatus status, Configuration conf, String user, |
| boolean isTaskCleanup, String pid) { |
| super(slotTaken, wasKilled, status, conf, user, isTaskCleanup, pid); |
| } |
| |
| @Override |
| public TaskStatus getTaskStatus() { |
| return status; |
| } |
| |
| public void readFields(DataInput in) throws IOException { |
| super.readFields(in); |
| status = new ReduceTaskStatus(); |
| status.readFields(in); |
| } |
| } |
| |
| } |