| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.federation.store.records.impl.pb; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.apache.hadoop.classification.InterfaceAudience.Private; |
| import org.apache.hadoop.classification.InterfaceStability.Unstable; |
| import org.apache.hadoop.yarn.federation.proto.YarnServerFederationProtos.GetSubClustersInfoResponseProto; |
| import org.apache.hadoop.yarn.federation.proto.YarnServerFederationProtos.GetSubClustersInfoResponseProtoOrBuilder; |
| import org.apache.hadoop.yarn.federation.proto.YarnServerFederationProtos.SubClusterInfoProto; |
| import org.apache.hadoop.yarn.server.federation.store.records.GetSubClustersInfoResponse; |
| import org.apache.hadoop.yarn.server.federation.store.records.SubClusterInfo; |
| |
| import com.google.protobuf.TextFormat; |
| |
| /** |
| * Protocol buffer based implementation of {@link GetSubClustersInfoResponse}. |
| */ |
| @Private |
| @Unstable |
| public class GetSubClustersInfoResponsePBImpl |
| extends GetSubClustersInfoResponse { |
| |
| private GetSubClustersInfoResponseProto proto = |
| GetSubClustersInfoResponseProto.getDefaultInstance(); |
| private GetSubClustersInfoResponseProto.Builder builder = null; |
| private boolean viaProto = false; |
| |
| private List<SubClusterInfo> subClusterInfos; |
| |
| public GetSubClustersInfoResponsePBImpl() { |
| builder = GetSubClustersInfoResponseProto.newBuilder(); |
| } |
| |
| public GetSubClustersInfoResponsePBImpl( |
| GetSubClustersInfoResponseProto proto) { |
| this.proto = proto; |
| viaProto = true; |
| } |
| |
| public GetSubClustersInfoResponseProto getProto() { |
| mergeLocalToProto(); |
| proto = viaProto ? proto : builder.build(); |
| viaProto = true; |
| return proto; |
| } |
| |
| private void mergeLocalToBuilder() { |
| if (this.subClusterInfos != null) { |
| addSubClusterInfosToProto(); |
| } |
| } |
| |
| private void mergeLocalToProto() { |
| if (viaProto) { |
| maybeInitBuilder(); |
| } |
| mergeLocalToBuilder(); |
| proto = builder.build(); |
| viaProto = true; |
| } |
| |
| private void maybeInitBuilder() { |
| if (viaProto || builder == null) { |
| builder = GetSubClustersInfoResponseProto.newBuilder(proto); |
| } |
| viaProto = false; |
| } |
| |
| @Override |
| public List<SubClusterInfo> getSubClusters() { |
| initSubClustersInfoList(); |
| return subClusterInfos; |
| } |
| |
| @Override |
| public void setSubClusters(List<SubClusterInfo> subClusters) { |
| if (subClusters == null) { |
| builder.clearSubClusterInfos(); |
| return; |
| } |
| this.subClusterInfos = subClusters; |
| } |
| |
| private void initSubClustersInfoList() { |
| if (this.subClusterInfos != null) { |
| return; |
| } |
| GetSubClustersInfoResponseProtoOrBuilder p = viaProto ? proto : builder; |
| List<SubClusterInfoProto> subClusterInfosList = p.getSubClusterInfosList(); |
| subClusterInfos = new ArrayList<SubClusterInfo>(); |
| |
| for (SubClusterInfoProto r : subClusterInfosList) { |
| subClusterInfos.add(convertFromProtoFormat(r)); |
| } |
| } |
| |
| private void addSubClusterInfosToProto() { |
| maybeInitBuilder(); |
| builder.clearSubClusterInfos(); |
| if (subClusterInfos == null) { |
| return; |
| } |
| Iterable<SubClusterInfoProto> iterable = |
| new Iterable<SubClusterInfoProto>() { |
| @Override |
| public Iterator<SubClusterInfoProto> iterator() { |
| return new Iterator<SubClusterInfoProto>() { |
| |
| private Iterator<SubClusterInfo> iter = |
| subClusterInfos.iterator(); |
| |
| @Override |
| public boolean hasNext() { |
| return iter.hasNext(); |
| } |
| |
| @Override |
| public SubClusterInfoProto next() { |
| return convertToProtoFormat(iter.next()); |
| } |
| |
| @Override |
| public void remove() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| }; |
| |
| } |
| |
| }; |
| builder.addAllSubClusterInfos(iterable); |
| } |
| |
| private SubClusterInfoProto convertToProtoFormat(SubClusterInfo r) { |
| return ((SubClusterInfoPBImpl) r).getProto(); |
| } |
| |
| private SubClusterInfoPBImpl convertFromProtoFormat(SubClusterInfoProto r) { |
| return new SubClusterInfoPBImpl(r); |
| } |
| |
| @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()); |
| } |
| |
| } |