org.apache.hadoop.hbase.client.RpcRetryingCallable Maven / Gradle / Ivy
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* 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,
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* See the License for the specific language governing permissions and
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*/
package org.apache.hadoop.hbase.client;
import java.io.Closeable;
import java.io.IOException;
import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;
/**
* A RetryingCallable for RPC connection operations.
* @param return type
*/
abstract class RpcRetryingCallable implements RetryingCallable, Closeable {
@Override
public void prepare(boolean reload) throws IOException {
}
@Override
public void close() throws IOException {
}
@Override
public void throwable(Throwable t, boolean retrying) {
}
@Override
public String getExceptionMessageAdditionalDetail() {
return "";
}
@Override
public long sleep(long pause, int tries) {
return ConnectionUtils.getPauseTime(pause, tries);
}
@Override
// Same trick as in RegionServerCallable so users don't have to copy/paste so much boilerplate
// and so we contain references to protobuf.
public V call(int callTimeout) throws IOException {
try {
return rpcCall(callTimeout);
} catch (Exception e) {
throw ProtobufUtil.handleRemoteException(e);
}
}
protected abstract V rpcCall(int callTimeout) throws Exception;
}