studio.raptor.ddal.common.retry.SleepingRetry 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;
import java.util.concurrent.TimeUnit;
abstract class SleepingRetry implements RetryPolicy {
private final int n;
protected SleepingRetry(int n) {
this.n = n;
}
// made public for testing
public int getN() {
return n;
}
public boolean allowRetry(int retryCount, long elapsedTimeMs, RetrySleeper sleeper) {
if (retryCount < n) {
try {
sleeper.sleepFor(getSleepTimeMs(retryCount, elapsedTimeMs), TimeUnit.MILLISECONDS);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
return false;
}
return true;
}
return false;
}
protected abstract int getSleepTimeMs(int retryCount, long elapsedTimeMs);
}