/**
* 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.hbase.client;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
import java.io.IOException;
@InterfaceAudience.Public
public interface RpcRetryingCaller<T> {
void cancel();
/**
* Retries if invocation fails.
* @param callTimeout Timeout for this call
* @param callable The {@link RetryingCallable} to run.
* @return an object of type T
* @throws IOException if a remote or network exception occurs
* @throws RuntimeException other unspecified error
*/
T callWithRetries(RetryingCallable<T> callable, int callTimeout)
throws IOException, RuntimeException;
/**
* Call the server once only.
* {@link RetryingCallable} has a strange shape so we can do retries. Use this invocation if you
* want to do a single call only (A call to {@link RetryingCallable#call(int)} will not likely
* succeed).
* @return an object of type T
* @throws IOException if a remote or network exception occurs
* @throws RuntimeException other unspecified error
*/
T callWithoutRetries(RetryingCallable<T> callable, int callTimeout)
throws IOException, RuntimeException;
}