| /** |
| * 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.ArrayList; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.hadoop.classification.InterfaceAudience.Private; |
| import org.apache.hadoop.classification.InterfaceStability.Unstable; |
| import org.apache.hadoop.yarn.api.protocolrecords.GetAttributesToNodesResponse; |
| import org.apache.hadoop.yarn.api.records.NodeAttributeKey; |
| import org.apache.hadoop.yarn.api.records.NodeToAttributeValue; |
| import org.apache.hadoop.yarn.api.records.impl.pb.NodeAttributeKeyPBImpl; |
| import org.apache.hadoop.yarn.api.records.impl.pb.NodeToAttributeValuePBImpl; |
| import org.apache.hadoop.yarn.proto.YarnProtos.AttributeToNodesProto; |
| import org.apache.hadoop.yarn.proto.YarnProtos.NodeAttributeKeyProto; |
| import org.apache.hadoop.yarn.proto.YarnProtos.NodeToAttributeValueProto; |
| import org.apache.hadoop.yarn.proto.YarnServiceProtos; |
| import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetAttributesToNodesResponseProto; |
| |
| /** |
| * Attributes to nodes response. |
| */ |
| @Private |
| @Unstable |
| public class GetAttributesToNodesResponsePBImpl |
| extends GetAttributesToNodesResponse { |
| |
| private GetAttributesToNodesResponseProto proto = |
| GetAttributesToNodesResponseProto.getDefaultInstance(); |
| private GetAttributesToNodesResponseProto.Builder builder = null; |
| private boolean viaProto = false; |
| |
| private Map<NodeAttributeKey, List<NodeToAttributeValue>> attributesToNodes; |
| |
| public GetAttributesToNodesResponsePBImpl() { |
| this.builder = GetAttributesToNodesResponseProto.newBuilder(); |
| } |
| |
| public GetAttributesToNodesResponsePBImpl( |
| GetAttributesToNodesResponseProto proto) { |
| this.proto = proto; |
| this.viaProto = true; |
| } |
| |
| private void initAttributesToNodes() { |
| if (this.attributesToNodes != null) { |
| return; |
| } |
| YarnServiceProtos.GetAttributesToNodesResponseProtoOrBuilder p = |
| viaProto ? proto : builder; |
| List<AttributeToNodesProto> list = p.getAttributesToNodesList(); |
| this.attributesToNodes = new HashMap<>(); |
| |
| for (AttributeToNodesProto c : list) { |
| List<NodeToAttributeValueProto> nodeValueMapList = |
| c.getNodeValueMapList(); |
| List<NodeToAttributeValue> nodeToAttributeValue = new ArrayList<>(); |
| for (NodeToAttributeValueProto valueProto : nodeValueMapList) { |
| nodeToAttributeValue.add(convertFromProtoFormat(valueProto)); |
| } |
| if (!nodeToAttributeValue.isEmpty()) { |
| this.attributesToNodes.put(convertFromProtoFormat(c.getNodeAttribute()), |
| nodeToAttributeValue); |
| } |
| } |
| } |
| |
| private void maybeInitBuilder() { |
| if (viaProto || builder == null) { |
| builder = GetAttributesToNodesResponseProto.newBuilder(proto); |
| } |
| viaProto = false; |
| } |
| |
| private void addAttributesToNodesToProto() { |
| maybeInitBuilder(); |
| builder.clearAttributesToNodes(); |
| if (attributesToNodes == null) { |
| return; |
| } |
| Iterable<AttributeToNodesProto> iterable = |
| () -> new Iterator<AttributeToNodesProto>() { |
| |
| private Iterator<Map.Entry<NodeAttributeKey, |
| List<NodeToAttributeValue>>> iter = attributesToNodes.entrySet() |
| .iterator(); |
| |
| @Override |
| public void remove() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public AttributeToNodesProto next() { |
| Map.Entry<NodeAttributeKey, List<NodeToAttributeValue>> attrToNodes |
| = iter.next(); |
| |
| AttributeToNodesProto.Builder attrToNodesBuilder = |
| AttributeToNodesProto.newBuilder().setNodeAttribute( |
| convertToProtoFormat(attrToNodes.getKey())); |
| for (NodeToAttributeValue hostToAttrVal : attrToNodes.getValue()) { |
| attrToNodesBuilder |
| .addNodeValueMap(convertToProtoFormat(hostToAttrVal)); |
| } |
| |
| return attrToNodesBuilder.build(); |
| } |
| |
| @Override |
| public boolean hasNext() { |
| return iter.hasNext(); |
| } |
| }; |
| builder.addAllAttributesToNodes(iterable); |
| } |
| |
| private NodeAttributeKey convertFromProtoFormat(NodeAttributeKeyProto p) { |
| return new NodeAttributeKeyPBImpl(p); |
| } |
| |
| private NodeAttributeKeyProto convertToProtoFormat(NodeAttributeKey t) { |
| return ((NodeAttributeKeyPBImpl) t).getProto(); |
| } |
| |
| private NodeToAttributeValue convertFromProtoFormat( |
| NodeToAttributeValueProto p) { |
| return new NodeToAttributeValuePBImpl(p); |
| } |
| |
| private NodeToAttributeValueProto convertToProtoFormat( |
| NodeToAttributeValue t) { |
| return ((NodeToAttributeValuePBImpl) t).getProto(); |
| } |
| |
| private void mergeLocalToBuilder() { |
| if (this.attributesToNodes != null) { |
| addAttributesToNodesToProto(); |
| } |
| } |
| |
| private void mergeLocalToProto() { |
| if (viaProto) { |
| maybeInitBuilder(); |
| } |
| mergeLocalToBuilder(); |
| proto = builder.build(); |
| viaProto = true; |
| } |
| |
| public GetAttributesToNodesResponseProto getProto() { |
| mergeLocalToProto(); |
| proto = viaProto ? proto : builder.build(); |
| viaProto = true; |
| return proto; |
| } |
| |
| @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 void setAttributeToNodes( |
| Map<NodeAttributeKey, List<NodeToAttributeValue>> map) { |
| initAttributesToNodes(); |
| attributesToNodes.clear(); |
| attributesToNodes.putAll(map); |
| } |
| |
| @Override |
| public Map<NodeAttributeKey, |
| List<NodeToAttributeValue>> getAttributesToNodes() { |
| initAttributesToNodes(); |
| return this.attributesToNodes; |
| } |
| } |