package org.apache.solr.common.util;
/*
* 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.
*/
import java.util.concurrent.TimeUnit;
public class RetryUtil {
public static interface RetryCmd {
public void execute() throws Throwable;
}
public static void retryOnThrowable(Class clazz, long timeoutms, long intervalms, RetryCmd cmd) throws Throwable {
long timeout = System.nanoTime() + TimeUnit.NANOSECONDS.convert(timeoutms, TimeUnit.MILLISECONDS);
while (true) {
try {
cmd.execute();
} catch (Throwable t) {
if (clazz.isInstance(t) && System.nanoTime() < timeout) {
Thread.sleep(intervalms);
continue;
}
throw t;
}
// success
break;
}
}
}