hadoop AMFeedback 源码
haddop AMFeedback 代码
文件路径：/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/AMFeedback.java
/**
* 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.io.Writable;
/**
* This class is a simple struct to include both the taskFound information and
* a possible preemption request coming from the AM.
*/
public class AMFeedback implements Writable {
boolean taskFound;
boolean preemption;
public void setTaskFound(boolean t){
taskFound=t;
}
public boolean getTaskFound(){
return taskFound;
}
public void setPreemption(boolean preemption) {
this.preemption=preemption;
}
public boolean getPreemption() {
return preemption;
}
@Override
public void write(DataOutput out) throws IOException {
out.writeBoolean(taskFound);
out.writeBoolean(preemption);
}
@Override
public void readFields(DataInput in) throws IOException {
taskFound = in.readBoolean();
preemption = in.readBoolean();
}
}
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