001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.regionserver.handler;
019
020import java.util.concurrent.TimeUnit;
021import org.apache.hadoop.hbase.util.RetryCounter;
022import org.apache.hadoop.hbase.util.RetryCounterFactory;
023import org.apache.yetus.audience.InterfaceAudience;
024
025@InterfaceAudience.Private
026final class HandlerUtil {
027
028  private HandlerUtil() {
029  }
030
031  /**
032   * Get an exponential backoff retry counter. The base unit is 100 milliseconds, and the max
033   * backoff time is 30 seconds.
034   */
035  public static RetryCounter getRetryCounter() {
036    return new RetryCounterFactory(
037      new RetryCounter.RetryConfig().setBackoffPolicy(new RetryCounter.ExponentialBackoffPolicy())
038        .setSleepInterval(100).setMaxSleepTime(30000).setMaxAttempts(Integer.MAX_VALUE)
039        .setTimeUnit(TimeUnit.MILLISECONDS).setJitter(0.01f)).create();
040  }
041}