org.apache.hadoop.hbase.client.RetryingCallerInterceptorContext Maven / Gradle / Ivy
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* 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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*/
package org.apache.hadoop.hbase.client;
import org.apache.yetus.audience.InterfaceAudience;
/**
* The context object used in the {@link RpcRetryingCaller} to enable
* {@link RetryingCallerInterceptor} to intercept calls. {@link RetryingCallerInterceptorContext} is
* the piece of information unique to a retrying call that transfers information from the call into
* the {@link RetryingCallerInterceptor} so that {@link RetryingCallerInterceptor} can take
* appropriate action according to the specific logic
*/
@InterfaceAudience.Private
abstract class RetryingCallerInterceptorContext {
protected RetryingCallerInterceptorContext() {
}
/**
* This function clears the internal state of the context object.
*/
public abstract void clear();
/**
* This prepares the context object by populating it with information specific to the
* implementation of the {@link RetryingCallerInterceptor} along with which this will be used. :
* The {@link RetryingCallable} that contains the information about the call that is being made.
* @return A new {@link RetryingCallerInterceptorContext} object that can be used for use in the
* current retrying call
*/
public abstract RetryingCallerInterceptorContext prepare(RetryingCallable callable);
/**
* Telescopic extension that takes which of the many retries we are currently in. : The
* {@link RetryingCallable} that contains the information about the call that is being made. : The
* retry number that we are currently in.
* @return A new context object that can be used for use in the current retrying call
*/
public abstract RetryingCallerInterceptorContext prepare(RetryingCallable callable, int tries);
}