| /** |
| * 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.classification.InterfaceAudience.Public; |
| import org.apache.hadoop.classification.InterfaceStability.Evolving; |
| 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.GetLabelsToNodesResponse; |
| import org.apache.hadoop.yarn.proto.YarnProtos.LabelsToNodeIdsProto; |
| import org.apache.hadoop.yarn.proto.YarnProtos.NodeLabelProto; |
| import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetLabelsToNodesResponseProto; |
| import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetLabelsToNodesResponseProtoOrBuilder; |
| |
| public class GetLabelsToNodesResponsePBImpl extends |
| GetLabelsToNodesResponse { |
| GetLabelsToNodesResponseProto proto = GetLabelsToNodesResponseProto |
| .getDefaultInstance(); |
| GetLabelsToNodesResponseProto.Builder builder = null; |
| boolean viaProto = false; |
| |
| private Map<String, Set<NodeId>> labelsToNodes; |
| |
| public GetLabelsToNodesResponsePBImpl() { |
| this.builder = GetLabelsToNodesResponseProto.newBuilder(); |
| } |
| |
| public GetLabelsToNodesResponsePBImpl(GetLabelsToNodesResponseProto proto) { |
| this.proto = proto; |
| this.viaProto = true; |
| } |
| |
| private void initLabelsToNodes() { |
| if (this.labelsToNodes != null) { |
| return; |
| } |
| GetLabelsToNodesResponseProtoOrBuilder p = viaProto ? proto : builder; |
| List<LabelsToNodeIdsProto> list = p.getLabelsToNodesList(); |
| this.labelsToNodes = new HashMap<String, Set<NodeId>>(); |
| |
| for (LabelsToNodeIdsProto c : list) { |
| Set<NodeId> setNodes = new HashSet<NodeId>(); |
| for(NodeIdProto n : c.getNodeIdList()) { |
| NodeId node = new NodeIdPBImpl(n); |
| setNodes.add(node); |
| } |
| if (!setNodes.isEmpty()) { |
| this.labelsToNodes |
| .put(c.getNodeLabels(), setNodes); |
| } |
| } |
| } |
| |
| private void maybeInitBuilder() { |
| if (viaProto || builder == null) { |
| builder = GetLabelsToNodesResponseProto.newBuilder(proto); |
| } |
| viaProto = false; |
| } |
| |
| private void addLabelsToNodesToProto() { |
| maybeInitBuilder(); |
| builder.clearLabelsToNodes(); |
| if (labelsToNodes == null) { |
| return; |
| } |
| Iterable<LabelsToNodeIdsProto> iterable = |
| new Iterable<LabelsToNodeIdsProto>() { |
| @Override |
| public Iterator<LabelsToNodeIdsProto> iterator() { |
| return new Iterator<LabelsToNodeIdsProto>() { |
| |
| Iterator<Entry<String, Set<NodeId>>> iter = |
| labelsToNodes.entrySet().iterator(); |
| |
| @Override |
| public void remove() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public LabelsToNodeIdsProto next() { |
| Entry<String, Set<NodeId>> now = iter.next(); |
| Set<NodeIdProto> nodeProtoSet = new HashSet<NodeIdProto>(); |
| for(NodeId n : now.getValue()) { |
| nodeProtoSet.add(convertToProtoFormat(n)); |
| } |
| return LabelsToNodeIdsProto.newBuilder() |
| .setNodeLabels(now.getKey()) |
| .addAllNodeId(nodeProtoSet) |
| .build(); |
| } |
| |
| @Override |
| public boolean hasNext() { |
| return iter.hasNext(); |
| } |
| }; |
| } |
| }; |
| builder.addAllLabelsToNodes(iterable); |
| } |
| |
| private void mergeLocalToBuilder() { |
| if (this.labelsToNodes != null) { |
| addLabelsToNodesToProto(); |
| } |
| } |
| |
| private void mergeLocalToProto() { |
| if (viaProto) |
| maybeInitBuilder(); |
| mergeLocalToBuilder(); |
| proto = builder.build(); |
| viaProto = true; |
| } |
| |
| public GetLabelsToNodesResponseProto getProto() { |
| mergeLocalToProto(); |
| proto = viaProto ? proto : builder.build(); |
| viaProto = true; |
| return proto; |
| } |
| |
| 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; |
| } |
| |
| @Override |
| @Public |
| @Evolving |
| public void setLabelsToNodes(Map<String, Set<NodeId>> map) { |
| initLabelsToNodes(); |
| labelsToNodes.clear(); |
| labelsToNodes.putAll(map); |
| } |
| |
| @Override |
| @Public |
| @Evolving |
| public Map<String, Set<NodeId>> getLabelsToNodes() { |
| initLabelsToNodes(); |
| return this.labelsToNodes; |
| } |
| } |