/**
* 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.falcon.cleanup;
import org.apache.falcon.FalconException;
import org.apache.falcon.entity.v0.EntityType;
import org.apache.falcon.entity.v0.process.Process;
import java.util.Collection;
/**
* Handler to cleanup files left behind by falcon relating to process.
*/
public class ProcessCleanupHandler extends AbstractCleanupHandler {
@Override
public void cleanup() throws FalconException {
Collection<String> processes = STORE.getEntities(EntityType.PROCESS);
for (String processName : processes) {
Process process = STORE.get(EntityType.PROCESS, processName);
long retention = getRetention(process, process.getFrequency().getTimeUnit());
for (org.apache.falcon.entity.v0.process.Cluster cluster : process.getClusters().getClusters()) {
delete(cluster.getName(), process, retention);
}
}
}
@Override
protected String getRelativeLogPath() {
return "job-*/*";
}
}