hadoop StartContainersRequestPBImpl 源码
haddop StartContainersRequestPBImpl 代码
文件路径:/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/StartContainersRequestPBImpl.java
/**
* 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.List;
import org.apache.hadoop.yarn.api.protocolrecords.StartContainerRequest;
import org.apache.hadoop.yarn.api.protocolrecords.StartContainersRequest;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.StartContainerRequestProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.StartContainersRequestProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.StartContainersRequestProtoOrBuilder;
public class StartContainersRequestPBImpl extends StartContainersRequest {
StartContainersRequestProto proto = StartContainersRequestProto
.getDefaultInstance();
StartContainersRequestProto.Builder builder = null;
boolean viaProto = false;
private List<StartContainerRequest> requests = null;
public StartContainersRequestPBImpl() {
builder = StartContainersRequestProto.newBuilder();
}
public StartContainersRequestPBImpl(StartContainersRequestProto proto) {
this.proto = proto;
viaProto = true;
}
public StartContainersRequestProto getProto() {
mergeLocalToProto();
proto = viaProto ? proto : builder.build();
viaProto = true;
return proto;
}
@Override
public int hashCode() {
return getProto().hashCode();
}
@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;
}
private void mergeLocalToProto() {
if (viaProto)
maybeInitBuilder();
mergeLocalToBuilder();
proto = builder.build();
viaProto = true;
}
private void mergeLocalToBuilder() {
if (requests != null) {
addLocalRequestsToProto();
}
}
private void maybeInitBuilder() {
if (viaProto || builder == null) {
builder = StartContainersRequestProto.newBuilder(proto);
}
viaProto = false;
}
private void addLocalRequestsToProto() {
maybeInitBuilder();
builder.clearStartContainerRequest();
List<StartContainerRequestProto> protoList =
new ArrayList<StartContainerRequestProto>();
for (StartContainerRequest r : this.requests) {
protoList.add(convertToProtoFormat(r));
}
builder.addAllStartContainerRequest(protoList);
}
private void initLocalRequests() {
StartContainersRequestProtoOrBuilder p = viaProto ? proto : builder;
List<StartContainerRequestProto> requestList =
p.getStartContainerRequestList();
this.requests = new ArrayList<StartContainerRequest>();
for (StartContainerRequestProto r : requestList) {
this.requests.add(convertFromProtoFormat(r));
}
}
@Override
public void setStartContainerRequests(List<StartContainerRequest> requests) {
maybeInitBuilder();
if (requests == null) {
builder.clearStartContainerRequest();
}
this.requests = requests;
}
@Override
public List<StartContainerRequest> getStartContainerRequests() {
if (this.requests != null) {
return this.requests;
}
initLocalRequests();
return this.requests;
}
private StartContainerRequestPBImpl convertFromProtoFormat(
StartContainerRequestProto p) {
return new StartContainerRequestPBImpl(p);
}
private StartContainerRequestProto convertToProtoFormat(
StartContainerRequest t) {
return ((StartContainerRequestPBImpl) t).getProto();
}
}
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