| /** |
| * 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.protocolrecords.impl.pb; |
| |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import java.util.Set; |
| |
| import org.apache.hadoop.yarn.api.records.NodeId; |
| import org.apache.hadoop.yarn.api.records.NodeLabel; |
| import org.apache.hadoop.yarn.api.records.impl.pb.NodeIdPBImpl; |
| import org.apache.hadoop.yarn.api.records.impl.pb.NodeLabelPBImpl; |
| import org.apache.hadoop.yarn.proto.YarnProtos.NodeIdProto; |
| import org.apache.hadoop.yarn.api.protocolrecords.GetNodesToLabelsResponse; |
| import org.apache.hadoop.yarn.proto.YarnProtos.NodeIdToLabelsProto; |
| import org.apache.hadoop.yarn.proto.YarnProtos.NodeLabelProto; |
| import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetNodesToLabelsResponseProto; |
| import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetNodesToLabelsResponseProtoOrBuilder; |
| |
| import com.google.common.collect.Sets; |
| |
| public class GetNodesToLabelsResponsePBImpl extends |
| GetNodesToLabelsResponse { |
| GetNodesToLabelsResponseProto proto = GetNodesToLabelsResponseProto |
| .getDefaultInstance(); |
| GetNodesToLabelsResponseProto.Builder builder = null; |
| boolean viaProto = false; |
| |
| private Map<NodeId, Set<String>> nodeToLabels; |
| |
| public GetNodesToLabelsResponsePBImpl() { |
| this.builder = GetNodesToLabelsResponseProto.newBuilder(); |
| } |
| |
| public GetNodesToLabelsResponsePBImpl(GetNodesToLabelsResponseProto proto) { |
| this.proto = proto; |
| this.viaProto = true; |
| } |
| |
| private void initNodeToLabels() { |
| if (this.nodeToLabels != null) { |
| return; |
| } |
| GetNodesToLabelsResponseProtoOrBuilder p = viaProto ? proto : builder; |
| List<NodeIdToLabelsProto> list = p.getNodeToLabelsList(); |
| this.nodeToLabels = new HashMap<NodeId, Set<String>>(); |
| |
| for (NodeIdToLabelsProto c : list) { |
| this.nodeToLabels.put(new NodeIdPBImpl(c.getNodeId()), |
| Sets.newHashSet(c.getNodeLabelsList())); |
| } |
| } |
| |
| private void maybeInitBuilder() { |
| if (viaProto || builder == null) { |
| builder = GetNodesToLabelsResponseProto.newBuilder(proto); |
| } |
| viaProto = false; |
| } |
| |
| private void addNodeToLabelsToProto() { |
| maybeInitBuilder(); |
| builder.clearNodeToLabels(); |
| if (nodeToLabels == null) { |
| return; |
| } |
| Iterable<NodeIdToLabelsProto> iterable = |
| new Iterable<NodeIdToLabelsProto>() { |
| @Override |
| public Iterator<NodeIdToLabelsProto> iterator() { |
| return new Iterator<NodeIdToLabelsProto>() { |
| |
| Iterator<Entry<NodeId, Set<String>>> iter = nodeToLabels |
| .entrySet().iterator(); |
| |
| @Override |
| public void remove() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public NodeIdToLabelsProto next() { |
| Entry<NodeId, Set<String>> now = iter.next(); |
| return NodeIdToLabelsProto.newBuilder() |
| .setNodeId(convertToProtoFormat(now.getKey())) |
| .addAllNodeLabels(now.getValue()).build(); |
| } |
| |
| @Override |
| public boolean hasNext() { |
| return iter.hasNext(); |
| } |
| }; |
| } |
| }; |
| builder.addAllNodeToLabels(iterable); |
| } |
| |
| private void mergeLocalToBuilder() { |
| if (this.nodeToLabels != null) { |
| addNodeToLabelsToProto(); |
| } |
| } |
| |
| private void mergeLocalToProto() { |
| if (viaProto) |
| maybeInitBuilder(); |
| mergeLocalToBuilder(); |
| proto = builder.build(); |
| viaProto = true; |
| } |
| |
| public GetNodesToLabelsResponseProto getProto() { |
| mergeLocalToProto(); |
| proto = viaProto ? proto : builder.build(); |
| viaProto = true; |
| return proto; |
| } |
| |
| @Override |
| public Map<NodeId, Set<String>> getNodeToLabels() { |
| initNodeToLabels(); |
| return this.nodeToLabels; |
| } |
| |
| @Override |
| public void setNodeToLabels(Map<NodeId, Set<String>> map) { |
| initNodeToLabels(); |
| nodeToLabels.clear(); |
| nodeToLabels.putAll(map); |
| } |
| |
| private NodeIdProto convertToProtoFormat(NodeId t) { |
| return ((NodeIdPBImpl)t).getProto(); |
| } |
| |
| @Override |
| public int hashCode() { |
| assert false : "hashCode not designed"; |
| return 0; |
| } |
| |
| @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; |
| } |
| } |