| /** |
| * 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.nodemanager.api.impl.pb; |
| |
| import org.apache.hadoop.yarn.api.records.LocalResource; |
| import org.apache.hadoop.yarn.api.records.URL; |
| import org.apache.hadoop.yarn.api.records.impl.pb.LocalResourcePBImpl; |
| import org.apache.hadoop.yarn.api.records.impl.pb.ProtoBase; |
| import org.apache.hadoop.yarn.api.records.impl.pb.URLPBImpl; |
| import org.apache.hadoop.yarn.proto.YarnServerNodemanagerServiceProtos.ResourceLocalizationSpecProto; |
| import org.apache.hadoop.yarn.proto.YarnServerNodemanagerServiceProtos.ResourceLocalizationSpecProtoOrBuilder; |
| import org.apache.hadoop.yarn.server.nodemanager.api.ResourceLocalizationSpec; |
| |
| public class ResourceLocalizationSpecPBImpl extends |
| ProtoBase<ResourceLocalizationSpecProto> implements |
| ResourceLocalizationSpec { |
| |
| private ResourceLocalizationSpecProto proto = ResourceLocalizationSpecProto |
| .getDefaultInstance(); |
| private ResourceLocalizationSpecProto.Builder builder = null; |
| private boolean viaProto; |
| private LocalResource resource = null; |
| private URL destinationDirectory = null; |
| |
| public ResourceLocalizationSpecPBImpl() { |
| builder = ResourceLocalizationSpecProto.newBuilder(); |
| } |
| |
| public ResourceLocalizationSpecPBImpl(ResourceLocalizationSpecProto proto) { |
| this.proto = proto; |
| viaProto = true; |
| } |
| |
| @Override |
| public LocalResource getResource() { |
| ResourceLocalizationSpecProtoOrBuilder p = viaProto ? proto : builder; |
| if (resource != null) { |
| return resource; |
| } |
| if (!p.hasResource()) { |
| return null; |
| } |
| resource = new LocalResourcePBImpl(p.getResource()); |
| return resource; |
| } |
| |
| @Override |
| public void setResource(LocalResource rsrc) { |
| maybeInitBuilder(); |
| resource = rsrc; |
| } |
| |
| @Override |
| public URL getDestinationDirectory() { |
| ResourceLocalizationSpecProtoOrBuilder p = viaProto ? proto : builder; |
| if (destinationDirectory != null) { |
| return destinationDirectory; |
| } |
| if (!p.hasDestinationDirectory()) { |
| return null; |
| } |
| destinationDirectory = new URLPBImpl(p.getDestinationDirectory()); |
| return destinationDirectory; |
| } |
| |
| @Override |
| public void setDestinationDirectory(URL destinationDirectory) { |
| maybeInitBuilder(); |
| this.destinationDirectory = destinationDirectory; |
| } |
| |
| @Override |
| public ResourceLocalizationSpecProto getProto() { |
| mergeLocalToBuilder(); |
| proto = viaProto ? proto : builder.build(); |
| viaProto = true; |
| return proto; |
| } |
| |
| private synchronized void maybeInitBuilder() { |
| if (builder == null || viaProto) { |
| builder = ResourceLocalizationSpecProto.newBuilder(proto); |
| } |
| viaProto = false; |
| } |
| |
| private void mergeLocalToBuilder() { |
| ResourceLocalizationSpecProtoOrBuilder l = viaProto ? proto : builder; |
| if (this.resource != null |
| && !(l.getResource() |
| .equals(((LocalResourcePBImpl) resource).getProto()))) { |
| maybeInitBuilder(); |
| builder.setResource(((LocalResourcePBImpl) resource).getProto()); |
| } |
| if (this.destinationDirectory != null |
| && !(l.getDestinationDirectory() |
| .equals(((URLPBImpl) destinationDirectory).getProto()))) { |
| maybeInitBuilder(); |
| builder.setDestinationDirectory(((URLPBImpl) destinationDirectory) |
| .getProto()); |
| } |
| } |
| } |