/**
* 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.mapreduce.v2.api.protocolrecords.impl.pb;
import org.apache.hadoop.mapreduce.v2.api.protocolrecords.GetDelegationTokenResponse;
import org.apache.hadoop.mapreduce.v2.proto.MRServiceProtos.GetDelegationTokenResponseProto;
import org.apache.hadoop.mapreduce.v2.proto.MRServiceProtos.GetDelegationTokenResponseProtoOrBuilder;
import org.apache.hadoop.yarn.api.records.DelegationToken;
import org.apache.hadoop.yarn.api.records.ProtoBase;
import org.apache.hadoop.yarn.api.records.impl.pb.DelegationTokenPBImpl;
import org.apache.hadoop.yarn.proto.YarnProtos.DelegationTokenProto;
public class GetDelegationTokenResponsePBImpl extends
ProtoBase<GetDelegationTokenResponseProto> implements GetDelegationTokenResponse {
DelegationToken mrToken;
GetDelegationTokenResponseProto proto =
GetDelegationTokenResponseProto.getDefaultInstance();
GetDelegationTokenResponseProto.Builder builder = null;
boolean viaProto = false;
public GetDelegationTokenResponsePBImpl() {
builder = GetDelegationTokenResponseProto.newBuilder();
}
public GetDelegationTokenResponsePBImpl (
GetDelegationTokenResponseProto proto) {
this.proto = proto;
viaProto = true;
}
@Override
public DelegationToken getDelegationToken() {
GetDelegationTokenResponseProtoOrBuilder p = viaProto ? proto : builder;
if (this.mrToken != null) {
return this.mrToken;
}
if (!p.hasMRDelegationToken()) {
return null;
}
this.mrToken = convertFromProtoFormat(p.getMRDelegationToken());
return this.mrToken;
}
@Override
public void setDelegationToken(DelegationToken mrToken) {
maybeInitBuilder();
if (mrToken == null)
builder.clearMRDelegationToken();
this.mrToken = mrToken;
}
@Override
public GetDelegationTokenResponseProto getProto() {
mergeLocalToProto();
proto = viaProto ? proto : builder.build();
viaProto = true;
return proto;
}
private void mergeLocalToBuilder() {
if (mrToken != null) {
builder.setMRDelegationToken(convertToProtoFormat(this.mrToken));
}
}
private void mergeLocalToProto() {
if (viaProto)
maybeInitBuilder();
mergeLocalToBuilder();
proto = builder.build();
viaProto = true;
}
private void maybeInitBuilder() {
if (viaProto || builder == null) {
builder = GetDelegationTokenResponseProto.newBuilder(proto);
}
viaProto = false;
}
private DelegationTokenPBImpl convertFromProtoFormat(DelegationTokenProto p) {
return new DelegationTokenPBImpl(p);
}
private DelegationTokenProto convertToProtoFormat(DelegationToken t) {
return ((DelegationTokenPBImpl)t).getProto();
}
}