/**
* 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 java.io.IOException;
import java.util.List;
import java.util.Map;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.hbase.ScheduledChore;
import org.apache.hadoop.hbase.Stoppable;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
/**
* Chore that will clean the replication queues belonging to the peer which does not exist.
*/
@InterfaceAudience.Private
public class ReplicationZKNodeCleanerChore extends ScheduledChore {
private static final Log LOG = LogFactory.getLog(ReplicationZKNodeCleanerChore.class);
private final ReplicationZKNodeCleaner cleaner;
public ReplicationZKNodeCleanerChore(Stoppable stopper, int period,
ReplicationZKNodeCleaner cleaner) {
super("ReplicationZKNodeCleanerChore", stopper, period);
this.cleaner = cleaner;
}
@Override
protected void chore() {
try {
Map<String, List<String>> undeletedQueues = cleaner.getUnDeletedQueues();
cleaner.removeQueues(undeletedQueues);
} catch (IOException e) {
LOG.warn("Failed to clean replication zk node", e);
}
}
}