| /** |
| * 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.security.proto.SecurityProtos.TokenProto; |
| import org.apache.hadoop.yarn.api.records.NMToken; |
| import org.apache.hadoop.yarn.api.records.NodeId; |
| import org.apache.hadoop.yarn.api.records.Token; |
| import org.apache.hadoop.yarn.proto.YarnProtos.NodeIdProto; |
| import org.apache.hadoop.yarn.proto.YarnServiceProtos.NMTokenProto; |
| import org.apache.hadoop.yarn.proto.YarnServiceProtos.NMTokenProtoOrBuilder; |
| |
| @Private |
| @Unstable |
| public class NMTokenPBImpl extends NMToken{ |
| |
| NMTokenProto proto = NMTokenProto.getDefaultInstance(); |
| NMTokenProto.Builder builder = null; |
| boolean viaProto = false; |
| |
| private Token token = null; |
| private NodeId nodeId = null; |
| |
| public NMTokenPBImpl() { |
| builder = NMTokenProto.newBuilder(); |
| } |
| |
| public NMTokenPBImpl(NMTokenProto proto) { |
| this.proto = proto; |
| viaProto = true; |
| } |
| |
| @Override |
| public synchronized NodeId getNodeId() { |
| NMTokenProtoOrBuilder p = viaProto ? proto : builder; |
| if (this.nodeId != null) { |
| return nodeId; |
| } |
| if (!p.hasNodeId()) { |
| return null; |
| } |
| this.nodeId = convertFromProtoFormat(p.getNodeId()); |
| return nodeId; |
| } |
| |
| @Override |
| public synchronized void setNodeId(NodeId nodeId) { |
| maybeInitBuilder(); |
| if (nodeId == null) { |
| builder.clearNodeId(); |
| } |
| this.nodeId = nodeId; |
| } |
| |
| @Override |
| public synchronized Token getToken() { |
| NMTokenProtoOrBuilder p = viaProto ? proto : builder; |
| if (this.token != null) { |
| return this.token; |
| } |
| if (!p.hasToken()) { |
| return null; |
| } |
| this.token = convertFromProtoFormat(p.getToken()); |
| return token; |
| } |
| |
| @Override |
| public synchronized void setToken(Token token) { |
| maybeInitBuilder(); |
| if (token == null) { |
| builder.clearToken(); |
| } |
| this.token = token; |
| } |
| |
| public synchronized NMTokenProto getProto() { |
| mergeLocalToProto(); |
| proto = viaProto ? proto : builder.build(); |
| viaProto = true; |
| return proto; |
| } |
| |
| private synchronized void mergeLocalToProto() { |
| if (viaProto) { |
| maybeInitBuilder(); |
| } |
| mergeLocalToBuilder(); |
| proto = builder.build(); |
| viaProto = true; |
| } |
| |
| private synchronized void mergeLocalToBuilder() { |
| if (this.nodeId != null) { |
| builder.setNodeId(convertToProtoFormat(nodeId)); |
| } |
| if (this.token != null) { |
| builder.setToken(convertToProtoFormat(token)); |
| } |
| } |
| |
| private synchronized void maybeInitBuilder() { |
| if(viaProto || builder == null) { |
| builder = NMTokenProto.newBuilder(proto); |
| } |
| viaProto = false; |
| } |
| |
| private synchronized NodeId convertFromProtoFormat(NodeIdProto p) { |
| return new NodeIdPBImpl(p); |
| } |
| |
| private synchronized NodeIdProto convertToProtoFormat(NodeId nodeId) { |
| return ((NodeIdPBImpl)nodeId).getProto(); |
| } |
| |
| private synchronized TokenProto convertToProtoFormat(Token token) { |
| return ((TokenPBImpl)token).getProto(); |
| } |
| |
| private synchronized Token convertFromProtoFormat(TokenProto proto) { |
| return new TokenPBImpl(proto); |
| } |
| } |