/**
* 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.EnumSet;
import java.util.Iterator;
import java.util.List;
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodesRequest;
import org.apache.hadoop.yarn.api.records.NodeState;
import org.apache.hadoop.yarn.api.records.impl.pb.ProtoUtils;
import org.apache.hadoop.yarn.proto.YarnProtos.NodeStateProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetClusterNodesRequestProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetClusterNodesRequestProtoOrBuilder;
import com.google.protobuf.TextFormat;
@Private
@Unstable
public class GetClusterNodesRequestPBImpl extends GetClusterNodesRequest {
GetClusterNodesRequestProto proto = GetClusterNodesRequestProto.getDefaultInstance();
GetClusterNodesRequestProto.Builder builder = null;
boolean viaProto = false;
private EnumSet<NodeState> states = null;
public GetClusterNodesRequestPBImpl() {
builder = GetClusterNodesRequestProto.newBuilder();
}
public GetClusterNodesRequestPBImpl(GetClusterNodesRequestProto proto) {
this.proto = proto;
viaProto = true;
}
public GetClusterNodesRequestProto getProto() {
mergeLocalToProto();
proto = viaProto ? proto : builder.build();
viaProto = true;
return proto;
}
@Override
public EnumSet<NodeState> getNodeStates() {
initNodeStates();
return this.states;
}
@Override
public void setNodeStates(final EnumSet<NodeState> states) {
initNodeStates();
this.states.clear();
if (states == null) {
return;
}
this.states.addAll(states);
}
private void mergeLocalToProto() {
if (viaProto) {
maybeInitBuilder();
}
mergeLocalToBuilder();
proto = builder.build();
viaProto = true;
}
private void maybeInitBuilder() {
if (viaProto || builder == null) {
builder = GetClusterNodesRequestProto.newBuilder(proto);
}
viaProto = false;
}
private void mergeLocalToBuilder() {
if (this.states != null) {
maybeInitBuilder();
builder.clearNodeStates();
Iterable<NodeStateProto> iterable = new Iterable<NodeStateProto>() {
@Override
public Iterator<NodeStateProto> iterator() {
return new Iterator<NodeStateProto>() {
Iterator<NodeState> iter = states.iterator();
@Override
public boolean hasNext() {
return iter.hasNext();
}
@Override
public NodeStateProto next() {
return ProtoUtils.convertToProtoFormat(iter.next());
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
};
}
};
builder.addAllNodeStates(iterable);
}
}
private void initNodeStates() {
if (this.states != null) {
return;
}
GetClusterNodesRequestProtoOrBuilder p = viaProto ? proto : builder;
List<NodeStateProto> list = p.getNodeStatesList();
this.states = EnumSet.noneOf(NodeState.class);
for (NodeStateProto c : list) {
this.states.add(ProtoUtils.convertFromProtoFormat(c));
}
}
@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());
}
}