/**
* 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.hadoop.hbase.classification.InterfaceAudience;
import org.apache.hadoop.conf.Configurable;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.hbase.Stoppable;
import java.util.Map;
/**
* General interface for cleaning files from a folder (generally an archive or
* backup folder). These are chained via the {@link CleanerChore} to determine
* if a given file should be deleted.
*/
@InterfaceAudience.Private
public interface FileCleanerDelegate extends Configurable, Stoppable {
/**
* Determines which of the given files are safe to delete
* @param files files to check for deletion
* @return files that are ok to delete according to this cleaner
*/
Iterable<FileStatus> getDeletableFiles(Iterable<FileStatus> files);
/**
* this method is used to pass some instance into subclass
* */
void init(Map<String, Object> params);
}