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/*
 * 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 org.apache.hadoop.hbase.master.cleaner;

import org.apache.yetus.audience.InterfaceAudience;

/**
 * Base class for the hfile cleaning function inside the master. By default, only the
 * {@link TimeToLiveHFileCleaner} is called.
 * 

* If other effects are needed, implement your own HFileCleanerDelegate and add it to the * configuration "hbase.master.hfilecleaner.plugins", which is a comma-separated list of fully * qualified class names. The HFileCleaner will build the cleaner chain in order the * order specified by the configuration. *

*

* For subclasses, setConf will be called exactly once before using the cleaner. *

*

* Since {@link BaseHFileCleanerDelegate HFileCleanerDelegates} are created in HFileCleaner by * reflection, classes that implements this interface must provide a default constructor. *

*/ @InterfaceAudience.Private public abstract class BaseHFileCleanerDelegate extends BaseFileCleanerDelegate { private boolean stopped = false; @Override public void stop(String why) { this.stopped = true; } @Override public boolean isStopped() { return this.stopped; } }




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