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curator developed by Netflix

There is a newer version: 1.3.3

/*
 *
 *  Copyright 2011 Netflix, Inc.
 *
 *     Licensed 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 com.netflix.curator;

/**
 * Abstracts the policy to use when retrying connections
 */
public interface RetryPolicy
{
    /**
     * Called when an operation has failed for some reason. This method should return
     * true to make another attempt.
     *
     *
     * @param retryCount the number of times retried so far (0 the first time)
     * @param elapsedTimeMs the elapsed time in ms since the operation was attempted
     * @param sleeper use this to sleep - DO NOT call Thread.sleep
     * @return true/false
     */
    public boolean      allowRetry(int retryCount, long elapsedTimeMs, RetrySleeper sleeper);
}