| /** |
| * 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 java.io.IOException; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| import org.apache.hadoop.mapred.JobPriority; |
| import org.apache.hadoop.mapreduce.JobID; |
| |
| import org.apache.avro.util.Utf8; |
| |
| /** |
| * Event to record the change of priority of a job |
| * |
| */ |
| @InterfaceAudience.Private |
| @InterfaceStability.Unstable |
| public class JobPriorityChangeEvent implements HistoryEvent { |
| private JobPriorityChange datum = new JobPriorityChange(); |
| |
| /** Generate an event to record changes in Job priority |
| * @param id Job Id |
| * @param priority The new priority of the job |
| */ |
| public JobPriorityChangeEvent(JobID id, JobPriority priority) { |
| datum.jobid = new Utf8(id.toString()); |
| datum.priority = new Utf8(priority.name()); |
| } |
| |
| JobPriorityChangeEvent() { } |
| |
| public Object getDatum() { return datum; } |
| public void setDatum(Object datum) { |
| this.datum = (JobPriorityChange)datum; |
| } |
| |
| /** Get the Job ID */ |
| public JobID getJobId() { return JobID.forName(datum.jobid.toString()); } |
| /** Get the job priority */ |
| public JobPriority getPriority() { |
| return JobPriority.valueOf(datum.priority.toString()); |
| } |
| /** Get the event type */ |
| public EventType getEventType() { |
| return EventType.JOB_PRIORITY_CHANGED; |
| } |
| |
| } |