/**
* 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.nio.ByteBuffer;
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.StartContainersResponse;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.SerializedException;
import org.apache.hadoop.yarn.api.records.impl.pb.ContainerIdPBImpl;
import org.apache.hadoop.yarn.api.records.impl.pb.ProtoUtils;
import org.apache.hadoop.yarn.api.records.impl.pb.SerializedExceptionPBImpl;
import org.apache.hadoop.yarn.proto.YarnProtos.ContainerIdProto;
import org.apache.hadoop.yarn.proto.YarnProtos.SerializedExceptionProto;
import org.apache.hadoop.yarn.proto.YarnProtos.StringBytesMapProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.ContainerExceptionMapProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.StartContainersResponseProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.StartContainersResponseProtoOrBuilder;
import com.google.protobuf.ByteString;
import com.google.protobuf.TextFormat;
@Private
@Unstable
public class StartContainersResponsePBImpl extends StartContainersResponse {
StartContainersResponseProto proto = StartContainersResponseProto
.getDefaultInstance();
StartContainersResponseProto.Builder builder = null;
boolean viaProto = false;
private Map<String, ByteBuffer> servicesMetaData = null;
private List<ContainerId> succeededContainers = null;
private Map<ContainerId, SerializedException> failedContainers = null;
public StartContainersResponsePBImpl() {
builder = StartContainersResponseProto.newBuilder();
}
public StartContainersResponsePBImpl(StartContainersResponseProto proto) {
this.proto = proto;
viaProto = true;
}
public StartContainersResponseProto 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;
}
@Override
public String toString() {
return TextFormat.shortDebugString(getProto());
}
private void mergeLocalToBuilder() {
if (this.servicesMetaData != null) {
addServicesMetaDataToProto();
}
if (this.succeededContainers != null) {
addSucceededContainersToProto();
}
if (this.failedContainers != null) {
addFailedContainersToProto();
}
}
protected final ByteBuffer convertFromProtoFormat(ByteString byteString) {
return ProtoUtils.convertFromProtoFormat(byteString);
}
protected final ByteString convertToProtoFormat(ByteBuffer byteBuffer) {
return ProtoUtils.convertToProtoFormat(byteBuffer);
}
private ContainerIdPBImpl convertFromProtoFormat(ContainerIdProto p) {
return new ContainerIdPBImpl(p);
}
private ContainerIdProto convertToProtoFormat(ContainerId t) {
return ((ContainerIdPBImpl) t).getProto();
}
private SerializedExceptionPBImpl convertFromProtoFormat(
SerializedExceptionProto p) {
return new SerializedExceptionPBImpl(p);
}
private SerializedExceptionProto convertToProtoFormat(SerializedException t) {
return ((SerializedExceptionPBImpl) t).getProto();
}
private void mergeLocalToProto() {
if (viaProto) {
maybeInitBuilder();
}
mergeLocalToBuilder();
proto = builder.build();
viaProto = true;
}
private void maybeInitBuilder() {
if (viaProto || builder == null) {
builder = StartContainersResponseProto.newBuilder(proto);
}
viaProto = false;
}
@Override
public Map<String, ByteBuffer> getAllServicesMetaData() {
initServicesMetaData();
return this.servicesMetaData;
}
@Override
public void setAllServicesMetaData(Map<String, ByteBuffer> servicesMetaData) {
if (servicesMetaData == null) {
return;
}
initServicesMetaData();
this.servicesMetaData.clear();
this.servicesMetaData.putAll(servicesMetaData);
}
private void initServicesMetaData() {
if (this.servicesMetaData != null) {
return;
}
StartContainersResponseProtoOrBuilder p = viaProto ? proto : builder;
List<StringBytesMapProto> list = p.getServicesMetaDataList();
this.servicesMetaData = new HashMap<String, ByteBuffer>();
for (StringBytesMapProto c : list) {
this.servicesMetaData.put(c.getKey(),
convertFromProtoFormat(c.getValue()));
}
}
private void addServicesMetaDataToProto() {
maybeInitBuilder();
builder.clearServicesMetaData();
if (servicesMetaData == null)
return;
Iterable<StringBytesMapProto> iterable =
new Iterable<StringBytesMapProto>() {
@Override
public Iterator<StringBytesMapProto> iterator() {
return new Iterator<StringBytesMapProto>() {
Iterator<String> keyIter = servicesMetaData.keySet().iterator();
@Override
public void remove() {
throw new UnsupportedOperationException();
}
@Override
public StringBytesMapProto next() {
String key = keyIter.next();
return StringBytesMapProto.newBuilder().setKey(key)
.setValue(convertToProtoFormat(servicesMetaData.get(key)))
.build();
}
@Override
public boolean hasNext() {
return keyIter.hasNext();
}
};
}
};
builder.addAllServicesMetaData(iterable);
}
private void addFailedContainersToProto() {
maybeInitBuilder();
builder.clearFailedRequests();
if (this.failedContainers == null)
return;
List<ContainerExceptionMapProto> protoList =
new ArrayList<ContainerExceptionMapProto>();
for (Map.Entry<ContainerId, SerializedException> entry : this.failedContainers
.entrySet()) {
protoList.add(ContainerExceptionMapProto.newBuilder()
.setContainerId(convertToProtoFormat(entry.getKey()))
.setException(convertToProtoFormat(entry.getValue())).build());
}
builder.addAllFailedRequests(protoList);
}
private void addSucceededContainersToProto() {
maybeInitBuilder();
builder.clearSucceededRequests();
if (this.succeededContainers == null) {
return;
}
Iterable<ContainerIdProto> iterable = new Iterable<ContainerIdProto>() {
@Override
public Iterator<ContainerIdProto> iterator() {
return new Iterator<ContainerIdProto>() {
Iterator<ContainerId> iter = succeededContainers.iterator();
@Override
public boolean hasNext() {
return iter.hasNext();
}
@Override
public ContainerIdProto next() {
return convertToProtoFormat(iter.next());
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
};
}
};
builder.addAllSucceededRequests(iterable);
}
private void initSucceededContainers() {
if (this.succeededContainers != null)
return;
StartContainersResponseProtoOrBuilder p = viaProto ? proto : builder;
List<ContainerIdProto> list = p.getSucceededRequestsList();
this.succeededContainers = new ArrayList<ContainerId>();
for (ContainerIdProto c : list) {
this.succeededContainers.add(convertFromProtoFormat(c));
}
}
@Override
public List<ContainerId> getSuccessfullyStartedContainers() {
initSucceededContainers();
return this.succeededContainers;
}
@Override
public void setSuccessfullyStartedContainers(
List<ContainerId> succeededContainers) {
maybeInitBuilder();
if (succeededContainers == null) {
builder.clearSucceededRequests();
}
this.succeededContainers = succeededContainers;
}
private void initFailedContainers() {
if (this.failedContainers != null) {
return;
}
StartContainersResponseProtoOrBuilder p = viaProto ? proto : builder;
List<ContainerExceptionMapProto> protoList = p.getFailedRequestsList();
this.failedContainers = new HashMap<ContainerId, SerializedException>();
for (ContainerExceptionMapProto ce : protoList) {
this.failedContainers.put(convertFromProtoFormat(ce.getContainerId()),
convertFromProtoFormat(ce.getException()));
}
}
@Override
public Map<ContainerId, SerializedException> getFailedRequests() {
initFailedContainers();
return this.failedContainers;
}
@Override
public void setFailedRequests(
Map<ContainerId, SerializedException> failedContainers) {
maybeInitBuilder();
if (failedContainers == null)
builder.clearFailedRequests();
this.failedContainers = failedContainers;
}
}