| /** |
| * 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.classification.InterfaceAudience.Private; |
| import org.apache.hadoop.classification.InterfaceStability.Unstable; |
| import org.apache.hadoop.yarn.api.records.ContainerId; |
| import org.apache.hadoop.yarn.api.records.PreemptionContainer; |
| import org.apache.hadoop.yarn.proto.YarnProtos.ContainerIdProto; |
| import org.apache.hadoop.yarn.proto.YarnProtos.PreemptionContainerProto; |
| import org.apache.hadoop.yarn.proto.YarnProtos.PreemptionContainerProtoOrBuilder; |
| |
| import com.google.protobuf.TextFormat; |
| |
| @Private |
| @Unstable |
| public class PreemptionContainerPBImpl extends PreemptionContainer { |
| |
| PreemptionContainerProto proto = |
| PreemptionContainerProto.getDefaultInstance(); |
| PreemptionContainerProto.Builder builder = null; |
| |
| boolean viaProto = false; |
| private ContainerId id; |
| |
| public PreemptionContainerPBImpl() { |
| builder = PreemptionContainerProto.newBuilder(); |
| } |
| |
| public PreemptionContainerPBImpl(PreemptionContainerProto proto) { |
| this.proto = proto; |
| viaProto = true; |
| } |
| |
| public synchronized PreemptionContainerProto getProto() { |
| mergeLocalToProto(); |
| proto = viaProto ? proto : builder.build(); |
| viaProto = true; |
| return proto; |
| } |
| |
| @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()); |
| } |
| |
| private void mergeLocalToProto() { |
| if (viaProto) |
| maybeInitBuilder(); |
| mergeLocalToBuilder(); |
| proto = builder.build(); |
| viaProto = true; |
| } |
| |
| private void mergeLocalToBuilder() { |
| if (id != null) { |
| builder.setId(convertToProtoFormat(id)); |
| } |
| } |
| |
| private void maybeInitBuilder() { |
| if (viaProto || builder == null) { |
| builder = PreemptionContainerProto.newBuilder(proto); |
| } |
| viaProto = false; |
| } |
| |
| @Override |
| public synchronized ContainerId getId() { |
| PreemptionContainerProtoOrBuilder p = viaProto ? proto : builder; |
| if (id != null) { |
| return id; |
| } |
| if (!p.hasId()) { |
| return null; |
| } |
| id = convertFromProtoFormat(p.getId()); |
| return id; |
| } |
| |
| @Override |
| public synchronized void setId(final ContainerId id) { |
| maybeInitBuilder(); |
| if (null == id) { |
| builder.clearId(); |
| } |
| this.id = id; |
| } |
| |
| private ContainerIdPBImpl convertFromProtoFormat(ContainerIdProto p) { |
| return new ContainerIdPBImpl(p); |
| } |
| |
| private ContainerIdProto convertToProtoFormat(ContainerId t) { |
| return ((ContainerIdPBImpl)t).getProto(); |
| } |
| |
| } |