| /** |
| * 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.mapreduce.v2.api.records.impl.pb; |
| |
| import org.apache.hadoop.mapreduce.v2.api.records.JobId; |
| import org.apache.hadoop.mapreduce.v2.proto.MRProtos.JobIdProto; |
| import org.apache.hadoop.mapreduce.v2.proto.MRProtos.JobIdProtoOrBuilder; |
| import org.apache.hadoop.yarn.api.records.ApplicationId; |
| import org.apache.hadoop.yarn.api.records.impl.pb.ApplicationIdPBImpl; |
| import org.apache.hadoop.yarn.proto.YarnProtos.ApplicationIdProto; |
| |
| public class JobIdPBImpl extends JobId { |
| |
| JobIdProto proto = JobIdProto.getDefaultInstance(); |
| JobIdProto.Builder builder = null; |
| boolean viaProto = false; |
| |
| private ApplicationId applicationId = null; |
| |
| public JobIdPBImpl() { |
| builder = JobIdProto.newBuilder(); |
| } |
| |
| public JobIdPBImpl(JobIdProto proto) { |
| this.proto = proto; |
| viaProto = true; |
| } |
| |
| public synchronized JobIdProto getProto() { |
| mergeLocalToProto(); |
| proto = viaProto ? proto : builder.build(); |
| viaProto = true; |
| return proto; |
| } |
| |
| private synchronized void mergeLocalToBuilder() { |
| if (this.applicationId != null |
| && !((ApplicationIdPBImpl) this.applicationId).getProto().equals( |
| builder.getAppId())) { |
| builder.setAppId(convertToProtoFormat(this.applicationId)); |
| } |
| } |
| |
| private synchronized void mergeLocalToProto() { |
| if (viaProto) |
| maybeInitBuilder(); |
| mergeLocalToBuilder(); |
| proto = builder.build(); |
| viaProto = true; |
| } |
| |
| private synchronized void maybeInitBuilder() { |
| if (viaProto || builder == null) { |
| builder = JobIdProto.newBuilder(proto); |
| } |
| viaProto = false; |
| } |
| |
| |
| @Override |
| public synchronized ApplicationId getAppId() { |
| JobIdProtoOrBuilder p = viaProto ? proto : builder; |
| if (applicationId != null) { |
| return applicationId; |
| } // Else via proto |
| if (!p.hasAppId()) { |
| return null; |
| } |
| applicationId = convertFromProtoFormat(p.getAppId()); |
| return applicationId; |
| } |
| |
| @Override |
| public synchronized void setAppId(ApplicationId appId) { |
| maybeInitBuilder(); |
| if (appId == null) { |
| builder.clearAppId(); |
| } |
| this.applicationId = appId; |
| } |
| @Override |
| public synchronized int getId() { |
| JobIdProtoOrBuilder p = viaProto ? proto : builder; |
| return (p.getId()); |
| } |
| |
| @Override |
| public synchronized void setId(int id) { |
| maybeInitBuilder(); |
| builder.setId((id)); |
| } |
| |
| private ApplicationIdPBImpl convertFromProtoFormat( |
| ApplicationIdProto p) { |
| return new ApplicationIdPBImpl(p); |
| } |
| |
| private ApplicationIdProto convertToProtoFormat(ApplicationId t) { |
| return ((ApplicationIdPBImpl) t).getProto(); |
| } |
| } |