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