hadoop GetTaskReportsResponsePBImpl 源码
haddop GetTaskReportsResponsePBImpl 代码
文件路径:/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/main/java/org/apache/hadoop/mapreduce/v2/api/protocolrecords/impl/pb/GetTaskReportsResponsePBImpl.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.mapreduce.v2.api.protocolrecords.impl.pb;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.apache.hadoop.mapreduce.v2.api.protocolrecords.GetTaskReportsResponse;
import org.apache.hadoop.mapreduce.v2.api.records.TaskReport;
import org.apache.hadoop.mapreduce.v2.api.records.impl.pb.TaskReportPBImpl;
import org.apache.hadoop.mapreduce.v2.proto.MRProtos.TaskReportProto;
import org.apache.hadoop.mapreduce.v2.proto.MRServiceProtos.GetTaskReportsResponseProto;
import org.apache.hadoop.mapreduce.v2.proto.MRServiceProtos.GetTaskReportsResponseProtoOrBuilder;
import org.apache.hadoop.yarn.api.records.impl.pb.ProtoBase;
public class GetTaskReportsResponsePBImpl extends ProtoBase<GetTaskReportsResponseProto> implements GetTaskReportsResponse {
GetTaskReportsResponseProto proto = GetTaskReportsResponseProto.getDefaultInstance();
GetTaskReportsResponseProto.Builder builder = null;
boolean viaProto = false;
private List<TaskReport> taskReports = null;
public GetTaskReportsResponsePBImpl() {
builder = GetTaskReportsResponseProto.newBuilder();
}
public GetTaskReportsResponsePBImpl(GetTaskReportsResponseProto proto) {
this.proto = proto;
viaProto = true;
}
public GetTaskReportsResponseProto getProto() {
mergeLocalToProto();
proto = viaProto ? proto : builder.build();
viaProto = true;
return proto;
}
private void mergeLocalToBuilder() {
if (this.taskReports != null) {
addTaskReportsToProto();
}
}
private void mergeLocalToProto() {
if (viaProto)
maybeInitBuilder();
mergeLocalToBuilder();
proto = builder.build();
viaProto = true;
}
private void maybeInitBuilder() {
if (viaProto || builder == null) {
builder = GetTaskReportsResponseProto.newBuilder(proto);
}
viaProto = false;
}
@Override
public List<TaskReport> getTaskReportList() {
initTaskReports();
return this.taskReports;
}
@Override
public TaskReport getTaskReport(int index) {
initTaskReports();
return this.taskReports.get(index);
}
@Override
public int getTaskReportCount() {
initTaskReports();
return this.taskReports.size();
}
private void initTaskReports() {
if (this.taskReports != null) {
return;
}
GetTaskReportsResponseProtoOrBuilder p = viaProto ? proto : builder;
List<TaskReportProto> list = p.getTaskReportsList();
this.taskReports = new ArrayList<TaskReport>();
for (TaskReportProto c : list) {
this.taskReports.add(convertFromProtoFormat(c));
}
}
@Override
public void addAllTaskReports(final List<TaskReport> taskReports) {
if (taskReports == null)
return;
initTaskReports();
this.taskReports.addAll(taskReports);
}
private void addTaskReportsToProto() {
maybeInitBuilder();
builder.clearTaskReports();
if (taskReports == null)
return;
Iterable<TaskReportProto> iterable = new Iterable<TaskReportProto>() {
@Override
public Iterator<TaskReportProto> iterator() {
return new Iterator<TaskReportProto>() {
Iterator<TaskReport> iter = taskReports.iterator();
@Override
public boolean hasNext() {
return iter.hasNext();
}
@Override
public TaskReportProto next() {
return convertToProtoFormat(iter.next());
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
};
}
};
builder.addAllTaskReports(iterable);
}
@Override
public void addTaskReport(TaskReport taskReports) {
initTaskReports();
this.taskReports.add(taskReports);
}
@Override
public void removeTaskReport(int index) {
initTaskReports();
this.taskReports.remove(index);
}
@Override
public void clearTaskReports() {
initTaskReports();
this.taskReports.clear();
}
private TaskReportPBImpl convertFromProtoFormat(TaskReportProto p) {
return new TaskReportPBImpl(p);
}
private TaskReportProto convertToProtoFormat(TaskReport t) {
return ((TaskReportPBImpl)t).getProto();
}
}
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