hadoop NodeLabelPBImpl 源码
haddop NodeLabelPBImpl 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/NodeLabelPBImpl.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.yarn.api.records.NodeLabel;
import org.apache.hadoop.yarn.proto.YarnProtos.NodeLabelProto;
import org.apache.hadoop.yarn.proto.YarnProtos.NodeLabelProtoOrBuilder;
public class NodeLabelPBImpl extends NodeLabel {
NodeLabelProto proto =
NodeLabelProto.getDefaultInstance();
NodeLabelProto.Builder builder = null;
boolean viaProto = false;
public NodeLabelPBImpl() {
builder = NodeLabelProto.newBuilder();
}
public NodeLabelPBImpl(NodeLabelProto proto) {
this.proto = proto;
viaProto = true;
}
public NodeLabelProto getProto() {
mergeLocalToProto();
proto = viaProto ? proto : builder.build();
viaProto = true;
return proto;
}
private void mergeLocalToProto() {
if (viaProto)
maybeInitBuilder();
proto = builder.build();
viaProto = true;
}
@Override
public boolean equals(Object other) {
if (other == null)
return false;
if (other.getClass().isAssignableFrom(this.getClass())) {
return this.getProto().equals(this.getClass().cast(other).getProto());
}
return false;
}
private void maybeInitBuilder() {
if (viaProto || builder == null) {
builder = NodeLabelProto.newBuilder(proto);
}
viaProto = false;
}
@Override
public int hashCode() {
return getProto().hashCode();
}
@Override
public String getName() {
NodeLabelProtoOrBuilder p = viaProto ? proto : builder;
if (!p.hasName()) {
return null;
}
return (p.getName());
}
@Override
public void setName(String name) {
maybeInitBuilder();
if (name == null) {
builder.clearName();
return;
}
builder.setName(name);
}
@Override
public boolean isExclusive() {
NodeLabelProtoOrBuilder p = viaProto ? proto : builder;
return p.getIsExclusive();
}
@Override
public void setExclusivity(boolean isExclusive) {
maybeInitBuilder();
builder.setIsExclusive(isExclusive);
}
}
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