hadoop PriorityPBImpl 源码
haddop PriorityPBImpl 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/PriorityPBImpl.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.yarn.api.records.impl.pb;
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.api.records.Priority;
import org.apache.hadoop.yarn.proto.YarnProtos.PriorityProto;
import org.apache.hadoop.yarn.proto.YarnProtos.PriorityProtoOrBuilder;
@Private
@Unstable
public class PriorityPBImpl extends Priority {
PriorityProto proto = PriorityProto.getDefaultInstance();
PriorityProto.Builder builder = null;
boolean viaProto = false;
public PriorityPBImpl() {
builder = PriorityProto.newBuilder();
}
public PriorityPBImpl(PriorityProto proto) {
this.proto = proto;
viaProto = true;
}
public PriorityProto getProto() {
proto = viaProto ? proto : builder.build();
viaProto = true;
return proto;
}
private void maybeInitBuilder() {
if (viaProto || builder == null) {
builder = PriorityProto.newBuilder(proto);
}
viaProto = false;
}
@Override
public int getPriority() {
PriorityProtoOrBuilder p = viaProto ? proto : builder;
return (p.getPriority());
}
@Override
public void setPriority(int priority) {
maybeInitBuilder();
builder.setPriority((priority));
}
@Override
public String toString() {
return Integer.toString(getPriority());
}
}
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