| /** |
| * 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.Container; |
| import org.apache.hadoop.yarn.api.records.ContainerUpdateType; |
| import org.apache.hadoop.yarn.api.records.UpdatedContainer; |
| import org.apache.hadoop.yarn.proto.YarnServiceProtos; |
| |
| /** |
| * Implementation of <code>UpdatedContainer</code>. |
| */ |
| public class UpdatedContainerPBImpl extends UpdatedContainer { |
| private YarnServiceProtos.UpdatedContainerProto proto = |
| YarnServiceProtos.UpdatedContainerProto.getDefaultInstance(); |
| private YarnServiceProtos.UpdatedContainerProto.Builder builder = null; |
| private boolean viaProto = false; |
| |
| private Container container = null; |
| |
| public UpdatedContainerPBImpl() { |
| builder = YarnServiceProtos.UpdatedContainerProto.newBuilder(); |
| } |
| |
| public UpdatedContainerPBImpl(YarnServiceProtos.UpdatedContainerProto proto) { |
| this.proto = proto; |
| viaProto = true; |
| } |
| |
| private void mergeLocalToBuilder() { |
| if (this.container != null) { |
| builder.setContainer(ProtoUtils.convertToProtoFormat(this.container)); |
| } |
| } |
| |
| private void mergeLocalToProto() { |
| if (viaProto) { |
| maybeInitBuilder(); |
| } |
| mergeLocalToBuilder(); |
| proto = builder.build(); |
| viaProto = true; |
| } |
| |
| private void maybeInitBuilder() { |
| if (viaProto || builder == null) { |
| builder = YarnServiceProtos.UpdatedContainerProto.newBuilder(proto); |
| } |
| viaProto = false; |
| } |
| |
| public YarnServiceProtos.UpdatedContainerProto getProto() { |
| mergeLocalToProto(); |
| proto = viaProto ? proto : builder.build(); |
| viaProto = true; |
| return proto; |
| } |
| |
| @Override |
| public ContainerUpdateType getUpdateType() { |
| YarnServiceProtos.UpdatedContainerProtoOrBuilder p = |
| viaProto ? proto : builder; |
| if (!p.hasUpdateType()) { |
| return null; |
| } |
| return ProtoUtils.convertFromProtoFormat(p.getUpdateType()); |
| } |
| |
| @Override |
| public void setUpdateType(ContainerUpdateType updateType) { |
| maybeInitBuilder(); |
| if (updateType == null) { |
| builder.clearUpdateType(); |
| return; |
| } |
| builder.setUpdateType(ProtoUtils.convertToProtoFormat(updateType)); |
| } |
| |
| @Override |
| public Container getContainer() { |
| YarnServiceProtos.UpdatedContainerProtoOrBuilder p = |
| viaProto ? proto : builder; |
| if (this.container != null) { |
| return this.container; |
| } |
| if (!p.hasContainer()) { |
| return null; |
| } |
| this.container = ProtoUtils.convertFromProtoFormat(p.getContainer()); |
| return this.container; |
| } |
| |
| @Override |
| public void setContainer(Container container) { |
| maybeInitBuilder(); |
| if (container == null) { |
| builder.clearContainer(); |
| } |
| this.container = container; |
| } |
| } |