/**
* 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.server.resourcemanager.recovery.records.impl.pb;
import java.nio.ByteBuffer;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.Container;
import org.apache.hadoop.yarn.api.records.impl.pb.ApplicationAttemptIdPBImpl;
import org.apache.hadoop.yarn.api.records.impl.pb.ContainerPBImpl;
import org.apache.hadoop.yarn.api.records.impl.pb.ProtoBase;
import org.apache.hadoop.yarn.factories.RecordFactory;
import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.ApplicationAttemptStateDataProto;
import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.ApplicationAttemptStateDataProtoOrBuilder;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.ApplicationAttemptStateData;
public class ApplicationAttemptStateDataPBImpl
extends ProtoBase<ApplicationAttemptStateDataProto>
implements ApplicationAttemptStateData {
private static final RecordFactory recordFactory = RecordFactoryProvider
.getRecordFactory(null);
ApplicationAttemptStateDataProto proto =
ApplicationAttemptStateDataProto.getDefaultInstance();
ApplicationAttemptStateDataProto.Builder builder = null;
boolean viaProto = false;
private ApplicationAttemptId attemptId = null;
private Container masterContainer = null;
private ByteBuffer appAttemptTokens = null;
public ApplicationAttemptStateDataPBImpl() {
builder = ApplicationAttemptStateDataProto.newBuilder();
}
public ApplicationAttemptStateDataPBImpl(
ApplicationAttemptStateDataProto proto) {
this.proto = proto;
viaProto = true;
}
public ApplicationAttemptStateDataProto getProto() {
mergeLocalToProto();
proto = viaProto ? proto : builder.build();
viaProto = true;
return proto;
}
private void mergeLocalToBuilder() {
if (this.attemptId != null) {
builder.setAttemptId(((ApplicationAttemptIdPBImpl)attemptId).getProto());
}
if(this.masterContainer != null) {
builder.setMasterContainer(((ContainerPBImpl)masterContainer).getProto());
}
if(this.appAttemptTokens != null) {
builder.setAppAttemptTokens(convertToProtoFormat(this.appAttemptTokens));
}
}
private void mergeLocalToProto() {
if (viaProto)
maybeInitBuilder();
mergeLocalToBuilder();
proto = builder.build();
viaProto = true;
}
private void maybeInitBuilder() {
if (viaProto || builder == null) {
builder = ApplicationAttemptStateDataProto.newBuilder(proto);
}
viaProto = false;
}
@Override
public ApplicationAttemptId getAttemptId() {
ApplicationAttemptStateDataProtoOrBuilder p = viaProto ? proto : builder;
if(attemptId != null) {
return attemptId;
}
if (!p.hasAttemptId()) {
return null;
}
attemptId = new ApplicationAttemptIdPBImpl(p.getAttemptId());
return attemptId;
}
@Override
public void setAttemptId(ApplicationAttemptId attemptId) {
maybeInitBuilder();
if (attemptId == null) {
builder.clearAttemptId();
}
this.attemptId = attemptId;
}
@Override
public Container getMasterContainer() {
ApplicationAttemptStateDataProtoOrBuilder p = viaProto ? proto : builder;
if(masterContainer != null) {
return masterContainer;
}
if (!p.hasMasterContainer()) {
return null;
}
masterContainer = new ContainerPBImpl(p.getMasterContainer());
return masterContainer;
}
@Override
public void setMasterContainer(Container container) {
maybeInitBuilder();
if (container == null) {
builder.clearMasterContainer();
}
this.masterContainer = container;
}
@Override
public ByteBuffer getAppAttemptTokens() {
ApplicationAttemptStateDataProtoOrBuilder p = viaProto ? proto : builder;
if(appAttemptTokens != null) {
return appAttemptTokens;
}
if(!p.hasAppAttemptTokens()) {
return null;
}
this.appAttemptTokens = convertFromProtoFormat(p.getAppAttemptTokens());
return appAttemptTokens;
}
@Override
public void setAppAttemptTokens(ByteBuffer attemptTokens) {
maybeInitBuilder();
if(attemptTokens == null) {
builder.clearAppAttemptTokens();
}
this.appAttemptTokens = attemptTokens;
}
public static ApplicationAttemptStateData newApplicationAttemptStateData(
ApplicationAttemptId attemptId, Container container,
ByteBuffer attemptTokens) {
ApplicationAttemptStateData attemptStateData =
recordFactory.newRecordInstance(ApplicationAttemptStateData.class);
attemptStateData.setAttemptId(attemptId);
attemptStateData.setMasterContainer(container);
attemptStateData.setAppAttemptTokens(attemptTokens);
return attemptStateData;
}
}