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.bundle;
019    
020    import java.util.List;
021    
022    import org.apache.oozie.BundleJobBean;
023    import org.apache.oozie.ErrorCode;
024    import org.apache.oozie.XException;
025    import org.apache.oozie.command.CommandException;
026    import org.apache.oozie.command.PreconditionException;
027    import org.apache.oozie.command.XCommand;
028    import org.apache.oozie.executor.jpa.BundleActionsDeleteForPurgeJPAExecutor;
029    import org.apache.oozie.executor.jpa.BundleJobDeleteJPAExecutor;
030    import org.apache.oozie.executor.jpa.BundleJobsGetForPurgeJPAExecutor;
031    import org.apache.oozie.executor.jpa.JPAExecutorException;
032    import org.apache.oozie.service.JPAService;
033    import org.apache.oozie.service.Services;
034    import org.apache.oozie.util.XLog;
035    
036    /**
037     * This class is used for bundle purge command
038     */
039    public class BundlePurgeXCommand extends XCommand<Void> {
040        private JPAService jpaService = null;
041        private final int olderThan;
042        private final int limit;
043        private List<BundleJobBean> jobList = null;
044    
045        public BundlePurgeXCommand(int olderThan, int limit) {
046            super("bundle_purge", "bundle_purge", 0);
047            this.olderThan = olderThan;
048            this.limit = limit;
049        }
050    
051        /* (non-Javadoc)
052         * @see org.apache.oozie.command.XCommand#loadState()
053         */
054        @Override
055        protected void loadState() throws CommandException {
056            try {
057                jpaService = Services.get().get(JPAService.class);
058    
059                if (jpaService != null) {
060                    this.jobList = jpaService.execute(new BundleJobsGetForPurgeJPAExecutor(olderThan, limit));
061                }
062                else {
063                    throw new CommandException(ErrorCode.E0610);
064                }
065            }
066            catch (XException ex) {
067                throw new CommandException(ex);
068            }
069        }
070    
071        /* (non-Javadoc)
072         * @see org.apache.oozie.command.XCommand#execute()
073         */
074        @Override
075        protected Void execute() throws CommandException {
076            LOG.debug("STARTED Bundle-Purge to purge Jobs older than [{0}] days.", olderThan);
077    
078            int actionDeleted = 0;
079            if (jobList != null && jobList.size() != 0) {
080                for (BundleJobBean bundle : jobList) {
081                    String jobId = bundle.getId();
082                    try {
083                        jpaService.execute(new BundleJobDeleteJPAExecutor(jobId));
084                        actionDeleted += jpaService.execute(new BundleActionsDeleteForPurgeJPAExecutor(jobId));
085                    }
086                    catch (JPAExecutorException e) {
087                        throw new CommandException(e);
088                    }
089                }
090                LOG.debug("ENDED Bundle-Purge deleted jobs :" + jobList.size() + " and actions " + actionDeleted);
091            }
092            else {
093                LOG.debug("ENDED Bundle-Purge no Bundle job to be deleted");
094            }
095            return null;
096        }
097    
098        /* (non-Javadoc)
099         * @see org.apache.oozie.command.XCommand#getEntityKey()
100         */
101        @Override
102        public String getEntityKey() {
103            return null;
104        }
105    
106        /* (non-Javadoc)
107         * @see org.apache.oozie.command.XCommand#isLockRequired()
108         */
109        @Override
110        protected boolean isLockRequired() {
111            return false;
112        }
113    
114        /* (non-Javadoc)
115         * @see org.apache.oozie.command.XCommand#verifyPrecondition()
116         */
117        @Override
118        protected void verifyPrecondition() throws CommandException, PreconditionException {
119        }
120    }