org.apache.curator.retry.BoundedExponentialBackoffRetry 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, 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.curator.retry;
import com.google.common.annotations.VisibleForTesting;
/**
* Retry policy that retries a set number of times with an increasing (up to a maximum bound) sleep time between retries
*/
public class BoundedExponentialBackoffRetry extends ExponentialBackoffRetry
{
private final int maxSleepTimeMs;
/**
* @param baseSleepTimeMs initial amount of time to wait between retries
* @param maxSleepTimeMs maximum amount of time to wait between retries
* @param maxRetries maximum number of times to retry
*/
public BoundedExponentialBackoffRetry(int baseSleepTimeMs, int maxSleepTimeMs, int maxRetries)
{
super(baseSleepTimeMs, maxRetries);
this.maxSleepTimeMs = maxSleepTimeMs;
}
@VisibleForTesting
public int getMaxSleepTimeMs()
{
return maxSleepTimeMs;
}
@Override
protected long getSleepTimeMs(int retryCount, long elapsedTimeMs)
{
return Math.min(maxSleepTimeMs, super.getSleepTimeMs(retryCount, elapsedTimeMs));
}
}