| /** |
| * 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.Resource; |
| import org.apache.hadoop.yarn.api.records.ResourceSizing; |
| import org.apache.hadoop.yarn.proto.YarnProtos.ResourceProto; |
| import org.apache.hadoop.yarn.proto.YarnProtos.ResourceSizingProto; |
| import org.apache.hadoop.yarn.proto.YarnProtos.ResourceSizingProtoOrBuilder; |
| |
| /** |
| * Proto Implementation for {@link ResourceSizing} interface. |
| */ |
| @Private |
| @Unstable |
| public class ResourceSizingPBImpl extends ResourceSizing { |
| ResourceSizingProto proto = ResourceSizingProto.getDefaultInstance(); |
| ResourceSizingProto.Builder builder = null; |
| boolean viaProto = false; |
| |
| private Resource resources = null; |
| |
| public ResourceSizingPBImpl() { |
| builder = ResourceSizingProto.newBuilder(); |
| } |
| |
| public ResourceSizingPBImpl(ResourceSizingProto proto) { |
| this.proto = proto; |
| viaProto = true; |
| } |
| |
| public ResourceSizingProto getProto() { |
| mergeLocalToProto(); |
| proto = viaProto ? proto : builder.build(); |
| viaProto = true; |
| return proto; |
| } |
| |
| private void mergeLocalToBuilder() { |
| if (this.resources != null) { |
| builder.setResources(convertToProtoFormat(this.resources)); |
| } |
| } |
| |
| private void mergeLocalToProto() { |
| if (viaProto) { |
| maybeInitBuilder(); |
| } |
| mergeLocalToBuilder(); |
| proto = builder.build(); |
| viaProto = true; |
| } |
| |
| private void maybeInitBuilder() { |
| if (viaProto || builder == null) { |
| builder = ResourceSizingProto.newBuilder(proto); |
| } |
| viaProto = false; |
| } |
| |
| @Override |
| public int getNumAllocations() { |
| ResourceSizingProtoOrBuilder p = viaProto ? proto : builder; |
| return (p.getNumAllocations()); |
| } |
| |
| @Override |
| public void setNumAllocations(int numAllocations) { |
| maybeInitBuilder(); |
| builder.setNumAllocations(numAllocations); |
| } |
| |
| @Override |
| public Resource getResources() { |
| ResourceSizingProtoOrBuilder p = viaProto ? proto : builder; |
| if (this.resources != null) { |
| return this.resources; |
| } |
| if (!p.hasResources()) { |
| return null; |
| } |
| this.resources = convertFromProtoFormat(p.getResources()); |
| return this.resources; |
| } |
| |
| @Override |
| public void setResources(Resource resources) { |
| maybeInitBuilder(); |
| if (resources == null) { |
| builder.clearResources(); |
| } |
| this.resources = resources; |
| } |
| |
| private ResourcePBImpl convertFromProtoFormat(ResourceProto r) { |
| return new ResourcePBImpl(r); |
| } |
| |
| private ResourceProto convertToProtoFormat(Resource r) { |
| return ProtoUtils.convertToProtoFormat(r); |
| } |
| |
| @Override |
| public String toString() { |
| return "ResourceSizingPBImpl{" + |
| "numAllocations=" + getNumAllocations() + |
| ", resources=" + getResources() + |
| '}'; |
| } |
| } |