hadoop GetApplicationsHomeSubClusterResponsePBImpl 源码
haddop GetApplicationsHomeSubClusterResponsePBImpl 代码
文件路径:/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/federation/store/records/impl/pb/GetApplicationsHomeSubClusterResponsePBImpl.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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.server.federation.store.records.impl.pb;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.federation.proto.YarnServerFederationProtos.ApplicationHomeSubClusterProto;
import org.apache.hadoop.yarn.federation.proto.YarnServerFederationProtos.GetApplicationsHomeSubClusterResponseProto;
import org.apache.hadoop.yarn.federation.proto.YarnServerFederationProtos.GetApplicationsHomeSubClusterResponseProtoOrBuilder;
import org.apache.hadoop.yarn.server.federation.store.records.ApplicationHomeSubCluster;
import org.apache.hadoop.yarn.server.federation.store.records.GetApplicationsHomeSubClusterResponse;
import org.apache.hadoop.thirdparty.protobuf.TextFormat;
/**
* Protocol buffer based implementation of
* {@link GetApplicationsHomeSubClusterResponse}.
*/
@Private
@Unstable
public class GetApplicationsHomeSubClusterResponsePBImpl
extends GetApplicationsHomeSubClusterResponse {
private GetApplicationsHomeSubClusterResponseProto proto =
GetApplicationsHomeSubClusterResponseProto.getDefaultInstance();
private GetApplicationsHomeSubClusterResponseProto.Builder builder = null;
private boolean viaProto = false;
private List<ApplicationHomeSubCluster> appsHomeSubCluster;
public GetApplicationsHomeSubClusterResponsePBImpl() {
builder = GetApplicationsHomeSubClusterResponseProto.newBuilder();
}
public GetApplicationsHomeSubClusterResponsePBImpl(
GetApplicationsHomeSubClusterResponseProto proto) {
this.proto = proto;
viaProto = true;
}
public GetApplicationsHomeSubClusterResponseProto getProto() {
mergeLocalToProto();
proto = viaProto ? proto : builder.build();
viaProto = true;
return proto;
}
private void mergeLocalToProto() {
if (viaProto) {
maybeInitBuilder();
}
mergeLocalToBuilder();
proto = builder.build();
viaProto = true;
}
private void maybeInitBuilder() {
if (viaProto || builder == null) {
builder = GetApplicationsHomeSubClusterResponseProto.newBuilder(proto);
}
viaProto = false;
}
private void mergeLocalToBuilder() {
if (this.appsHomeSubCluster != null) {
addSubClustersInfoToProto();
}
}
@Override
public int hashCode() {
return getProto().hashCode();
}
@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;
}
@Override
public String toString() {
return TextFormat.shortDebugString(getProto());
}
@Override
public List<ApplicationHomeSubCluster> getAppsHomeSubClusters() {
initSubClustersInfoList();
return appsHomeSubCluster;
}
@Override
public void setAppsHomeSubClusters(
List<ApplicationHomeSubCluster> appsHomeSubClusters) {
maybeInitBuilder();
if (appsHomeSubClusters == null) {
builder.clearAppSubclusterMap();
return;
}
this.appsHomeSubCluster = appsHomeSubClusters;
addSubClustersInfoToProto();
}
private void initSubClustersInfoList() {
if (this.appsHomeSubCluster != null) {
return;
}
GetApplicationsHomeSubClusterResponseProtoOrBuilder p =
viaProto ? proto : builder;
List<ApplicationHomeSubClusterProto> subClusterInfosList =
p.getAppSubclusterMapList();
appsHomeSubCluster = new ArrayList<>();
for (ApplicationHomeSubClusterProto r : subClusterInfosList) {
appsHomeSubCluster.add(convertFromProtoFormat(r));
}
}
private void addSubClustersInfoToProto() {
maybeInitBuilder();
builder.clearAppSubclusterMap();
if (appsHomeSubCluster == null) {
return;
}
Iterable<ApplicationHomeSubClusterProto> iterable =
new Iterable<ApplicationHomeSubClusterProto>() {
@Override
public Iterator<ApplicationHomeSubClusterProto> iterator() {
return new Iterator<ApplicationHomeSubClusterProto>() {
private Iterator<ApplicationHomeSubCluster> iter =
appsHomeSubCluster.iterator();
@Override
public boolean hasNext() {
return iter.hasNext();
}
@Override
public ApplicationHomeSubClusterProto next() {
return convertToProtoFormat(iter.next());
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
};
}
};
builder.addAllAppSubclusterMap(iterable);
}
private ApplicationHomeSubCluster convertFromProtoFormat(
ApplicationHomeSubClusterProto sc) {
return new ApplicationHomeSubClusterPBImpl(sc);
}
private ApplicationHomeSubClusterProto convertToProtoFormat(
ApplicationHomeSubCluster sc) {
return ((ApplicationHomeSubClusterPBImpl) sc).getProto();
}
}
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