studio.raptor.ddal.common.retry.RetryPolicy Maven / Gradle / Ivy
/*
* 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 studio.raptor.ddal.common.retry;
/**
* 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);
}