| /** |
| * 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.protocolrecords.ResourceTypes; |
| import org.apache.hadoop.yarn.api.records.ResourceTypeInfo; |
| import org.apache.hadoop.yarn.proto.YarnProtos; |
| import org.apache.hadoop.yarn.proto.YarnProtos.ResourceTypeInfoProto; |
| import org.apache.hadoop.yarn.proto.YarnProtos.ResourceTypesProto; |
| |
| /** |
| * {@code ResourceTypeInfoPBImpl} which implements the |
| * {@link ResourceTypeInfo} class which represents different resource types |
| * supported in YARN. |
| */ |
| @Private |
| @Unstable |
| public class ResourceTypeInfoPBImpl extends ResourceTypeInfo { |
| |
| ResourceTypeInfoProto proto = ResourceTypeInfoProto.getDefaultInstance(); |
| ResourceTypeInfoProto.Builder builder = null; |
| boolean viaProto = false; |
| |
| private String name = null; |
| private String defaultUnit = null; |
| private ResourceTypes resourceTypes = null; |
| |
| public ResourceTypeInfoPBImpl() { |
| builder = ResourceTypeInfoProto.newBuilder(); |
| } |
| |
| public ResourceTypeInfoPBImpl(ResourceTypeInfoProto proto) { |
| this.proto = proto; |
| viaProto = true; |
| } |
| |
| public ResourceTypeInfoProto getProto() { |
| mergeLocalToProto(); |
| return proto; |
| } |
| |
| private void mergeLocalToProto() { |
| if (viaProto) { |
| maybeInitBuilder(); |
| } |
| mergeLocalToBuilder(); |
| proto = builder.build(); |
| viaProto = true; |
| } |
| |
| private void mergeLocalToBuilder() { |
| if (this.name != null) { |
| builder.setName(this.name); |
| } |
| if (this.defaultUnit != null) { |
| builder.setUnits(this.defaultUnit); |
| } |
| if (this.resourceTypes != null) { |
| builder.setType(convertToProtoFormat(this.resourceTypes)); |
| } |
| } |
| |
| private void maybeInitBuilder() { |
| if (viaProto || builder == null) { |
| builder = YarnProtos.ResourceTypeInfoProto.newBuilder(proto); |
| } |
| viaProto = false; |
| } |
| |
| @Override |
| public String getName() { |
| if (this.name != null) { |
| return this.name; |
| } |
| |
| YarnProtos.ResourceTypeInfoProtoOrBuilder p = viaProto ? proto : builder; |
| return p.getName(); |
| } |
| |
| @Override |
| public void setName(String rName) { |
| maybeInitBuilder(); |
| if (rName == null) { |
| builder.clearName(); |
| } |
| this.name = rName; |
| } |
| |
| @Override |
| public String getDefaultUnit() { |
| if (this.defaultUnit != null) { |
| return this.defaultUnit; |
| } |
| |
| YarnProtos.ResourceTypeInfoProtoOrBuilder p = viaProto ? proto : builder; |
| return p.getUnits(); |
| } |
| |
| @Override |
| public void setDefaultUnit(String rUnits) { |
| maybeInitBuilder(); |
| if (rUnits == null) { |
| builder.clearUnits(); |
| } |
| this.defaultUnit = rUnits; |
| } |
| |
| @Override |
| public ResourceTypes getResourceType() { |
| if (this.resourceTypes != null) { |
| return this.resourceTypes; |
| } |
| |
| YarnProtos.ResourceTypeInfoProtoOrBuilder p = viaProto ? proto : builder; |
| return convertFromProtoFormat(p.getType()); |
| } |
| |
| @Override |
| public void setResourceType(ResourceTypes type) { |
| maybeInitBuilder(); |
| if (type == null) { |
| builder.clearType(); |
| } |
| this.resourceTypes = type; |
| } |
| |
| public static ResourceTypesProto convertToProtoFormat(ResourceTypes e) { |
| return ResourceTypesProto.valueOf(e.name()); |
| } |
| |
| public static ResourceTypes convertFromProtoFormat(ResourceTypesProto e) { |
| return ResourceTypes.valueOf(e.name()); |
| } |
| } |