KillJobAction.java
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上传日期:2018-01-08
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- /**
- * 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;
- /**
- * Represents a directive from the {@link org.apache.hadoop.mapred.JobTracker}
- * to the {@link org.apache.hadoop.mapred.TaskTracker} to kill the task of
- * a job and cleanup resources.
- *
- */
- class KillJobAction extends TaskTrackerAction {
- final JobID jobId;
- public KillJobAction() {
- super(ActionType.KILL_JOB);
- jobId = new JobID();
- }
- public KillJobAction(JobID jobId) {
- super(ActionType.KILL_JOB);
- this.jobId = jobId;
- }
-
- public JobID getJobID() {
- return jobId;
- }
-
- @Override
- public void write(DataOutput out) throws IOException {
- jobId.write(out);
- }
- @Override
- public void readFields(DataInput in) throws IOException {
- jobId.readFields(in);
- }
- }