/**
* 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.ipc.protocolPB;
import java.io.IOException;
import java.util.Collection;
import java.util.List;
import org.apache.hadoop.ipc.GenericRefreshProtocol;
import org.apache.hadoop.ipc.RefreshResponse;
import org.apache.hadoop.ipc.proto.GenericRefreshProtocolProtos.GenericRefreshRequestProto;
import org.apache.hadoop.ipc.proto.GenericRefreshProtocolProtos.GenericRefreshResponseProto;
import org.apache.hadoop.ipc.proto.GenericRefreshProtocolProtos.GenericRefreshResponseCollectionProto;
import com.google.protobuf.RpcController;
import com.google.protobuf.ServiceException;
public class GenericRefreshProtocolServerSideTranslatorPB implements
GenericRefreshProtocolPB {
private final GenericRefreshProtocol impl;
public GenericRefreshProtocolServerSideTranslatorPB(
GenericRefreshProtocol impl) {
this.impl = impl;
}
@Override
public GenericRefreshResponseCollectionProto refresh(
RpcController controller, GenericRefreshRequestProto request)
throws ServiceException {
try {
List<String> argList = request.getArgsList();
String[] args = argList.toArray(new String[argList.size()]);
if (!request.hasIdentifier()) {
throw new ServiceException("Request must contain identifier");
}
Collection<RefreshResponse> results = impl.refresh(request.getIdentifier(), args);
return pack(results);
} catch (IOException e) {
throw new ServiceException(e);
}
}
// Convert a collection of RefreshResponse objects to a
// RefreshResponseCollection proto
private GenericRefreshResponseCollectionProto pack(
Collection<RefreshResponse> responses) {
GenericRefreshResponseCollectionProto.Builder b =
GenericRefreshResponseCollectionProto.newBuilder();
for (RefreshResponse response : responses) {
GenericRefreshResponseProto.Builder respBuilder =
GenericRefreshResponseProto.newBuilder();
respBuilder.setExitStatus(response.getReturnCode());
respBuilder.setUserMessage(response.getMessage());
respBuilder.setSenderName(response.getSenderName());
// Add to collection
b.addResponses(respBuilder);
}
return b.build();
}
}