hadoop RefreshCallQueueProtocolClientSideTranslatorPB 源码
haddop RefreshCallQueueProtocolClientSideTranslatorPB 代码
文件路径：/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/protocolPB/RefreshCallQueueProtocolClientSideTranslatorPB.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.ipc.protocolPB;
import java.io.Closeable;
import java.io.IOException;
import org.apache.hadoop.ipc.ProtobufHelper;
import org.apache.hadoop.ipc.ProtocolMetaInterface;
import org.apache.hadoop.ipc.RPC;
import org.apache.hadoop.ipc.RpcClientUtil;
import org.apache.hadoop.ipc.RefreshCallQueueProtocol;
import org.apache.hadoop.ipc.proto.RefreshCallQueueProtocolProtos.RefreshCallQueueRequestProto;
import org.apache.hadoop.ipc.protocolPB.RefreshCallQueueProtocolPB;
import org.apache.hadoop.thirdparty.protobuf.RpcController;
import org.apache.hadoop.thirdparty.protobuf.ServiceException;
public class RefreshCallQueueProtocolClientSideTranslatorPB implements
ProtocolMetaInterface, RefreshCallQueueProtocol, Closeable {
/** RpcController is not used and hence is set to null */
private final static RpcController NULL_CONTROLLER = null;
private final RefreshCallQueueProtocolPB rpcProxy;
private final static RefreshCallQueueRequestProto
VOID_REFRESH_CALL_QUEUE_REQUEST =
RefreshCallQueueRequestProto.newBuilder().build();
public RefreshCallQueueProtocolClientSideTranslatorPB(
RefreshCallQueueProtocolPB rpcProxy) {
this.rpcProxy = rpcProxy;
}
@Override
public void close() throws IOException {
RPC.stopProxy(rpcProxy);
}
@Override
public void refreshCallQueue() throws IOException {
try {
rpcProxy.refreshCallQueue(NULL_CONTROLLER,
VOID_REFRESH_CALL_QUEUE_REQUEST);
} catch (ServiceException se) {
throw ProtobufHelper.getRemoteException(se);
}
}
@Override
public boolean isMethodSupported(String methodName) throws IOException {
return RpcClientUtil.isMethodSupported(rpcProxy,
RefreshCallQueueProtocolPB.class,
RPC.RpcKind.RPC_PROTOCOL_BUFFER,
RPC.getProtocolVersion(RefreshCallQueueProtocolPB.class),
methodName);
}
}
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