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     */
018    package org.apache.oozie.command.wf;
019    
020    import org.apache.oozie.store.StoreException;
021    import org.apache.oozie.store.WorkflowStore;
022    import org.apache.oozie.util.XLog;
023    import org.apache.oozie.command.CommandException;
024    
025    public class PurgeCommand extends WorkflowCommand<Void> {
026        private static XLog LOG = XLog.getLog(PurgeCommand.class);
027        private int olderThan;
028        private int limit;
029    
030        public PurgeCommand(int olderThan, int limit) {
031            super("purge", "purge", 0, XLog.OPS);
032            this.olderThan = olderThan;
033            this.limit = limit;
034        }
035    
036        @Override
037        protected Void call(WorkflowStore store) throws StoreException, CommandException {
038            LOG.debug("Attempting to purge Jobs older than [{0}] days.", olderThan);
039            store.purge(olderThan, limit);
040            LOG.debug("Purge succeeded ");
041            return null;
042        }
043    
044    }