| /** |
| * 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.mapreduce.jobhistory; |
| |
| import org.apache.avro.util.Utf8; |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| import org.apache.hadoop.mapreduce.Counters; |
| import org.apache.hadoop.mapreduce.TaskAttemptID; |
| import org.apache.hadoop.mapreduce.TaskID; |
| import org.apache.hadoop.mapreduce.TaskType; |
| |
| /** |
| * Event to record successful task completion |
| * |
| */ |
| @InterfaceAudience.Private |
| @InterfaceStability.Unstable |
| public class TaskAttemptFinishedEvent implements HistoryEvent { |
| |
| private TaskAttemptFinished datum = null; |
| |
| private TaskAttemptID attemptId; |
| private TaskType taskType; |
| private String taskStatus; |
| private long finishTime; |
| private String rackName; |
| private String hostname; |
| private String state; |
| private Counters counters; |
| |
| /** |
| * Create an event to record successful finishes for setup and cleanup |
| * attempts |
| * @param id Attempt ID |
| * @param taskType Type of task |
| * @param taskStatus Status of task |
| * @param finishTime Finish time of attempt |
| * @param hostname Host where the attempt executed |
| * @param state State string |
| * @param counters Counters for the attempt |
| */ |
| public TaskAttemptFinishedEvent(TaskAttemptID id, |
| TaskType taskType, String taskStatus, |
| long finishTime, String rackName, |
| String hostname, String state, Counters counters) { |
| this.attemptId = id; |
| this.taskType = taskType; |
| this.taskStatus = taskStatus; |
| this.finishTime = finishTime; |
| this.rackName = rackName; |
| this.hostname = hostname; |
| this.state = state; |
| this.counters = counters; |
| } |
| |
| TaskAttemptFinishedEvent() {} |
| |
| public Object getDatum() { |
| if (datum == null) { |
| datum = new TaskAttemptFinished(); |
| datum.taskid = new Utf8(attemptId.getTaskID().toString()); |
| datum.attemptId = new Utf8(attemptId.toString()); |
| datum.taskType = new Utf8(taskType.name()); |
| datum.taskStatus = new Utf8(taskStatus); |
| datum.finishTime = finishTime; |
| if (rackName != null) { |
| datum.rackname = new Utf8(rackName); |
| } |
| datum.hostname = new Utf8(hostname); |
| datum.state = new Utf8(state); |
| datum.counters = EventWriter.toAvro(counters); |
| } |
| return datum; |
| } |
| public void setDatum(Object oDatum) { |
| this.datum = (TaskAttemptFinished)oDatum; |
| this.attemptId = TaskAttemptID.forName(datum.attemptId.toString()); |
| this.taskType = TaskType.valueOf(datum.taskType.toString()); |
| this.taskStatus = datum.taskStatus.toString(); |
| this.finishTime = datum.finishTime; |
| this.rackName = datum.rackname.toString(); |
| this.hostname = datum.hostname.toString(); |
| this.state = datum.state.toString(); |
| this.counters = EventReader.fromAvro(datum.counters); |
| } |
| |
| /** Get the task ID */ |
| public TaskID getTaskId() { return attemptId.getTaskID(); } |
| /** Get the task attempt id */ |
| public TaskAttemptID getAttemptId() { |
| return TaskAttemptID.forName(attemptId.toString()); |
| } |
| /** Get the task type */ |
| public TaskType getTaskType() { |
| return TaskType.valueOf(taskType.toString()); |
| } |
| /** Get the task status */ |
| public String getTaskStatus() { return taskStatus.toString(); } |
| /** Get the attempt finish time */ |
| public long getFinishTime() { return finishTime; } |
| /** Get the host where the attempt executed */ |
| public String getHostname() { return hostname.toString(); } |
| |
| /** Get the rackname where the attempt executed */ |
| public String getRackName() { |
| return rackName == null ? null : rackName.toString(); |
| } |
| |
| /** Get the state string */ |
| public String getState() { return state.toString(); } |
| /** Get the counters for the attempt */ |
| Counters getCounters() { return counters; } |
| /** Get the event type */ |
| public EventType getEventType() { |
| // Note that the task type can be setup/map/reduce/cleanup but the |
| // attempt-type can only be map/reduce. |
| return getTaskId().getTaskType() == TaskType.MAP |
| ? EventType.MAP_ATTEMPT_FINISHED |
| : EventType.REDUCE_ATTEMPT_FINISHED; |
| } |
| |
| } |