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.Collection;
021 import java.util.List;
022
023 import org.apache.oozie.ErrorCode;
024 import org.apache.oozie.XException;
025 import org.apache.oozie.client.rest.JsonBean;
026 import org.apache.oozie.command.CommandException;
027 import org.apache.oozie.command.PreconditionException;
028 import org.apache.oozie.executor.jpa.BulkDeleteForPurgeJPAExecutor;
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<? extends JsonBean> 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 try {
059 actionDeleted = jpaService.execute(new BulkDeleteForPurgeJPAExecutor((Collection<JsonBean>) jobList));
060 }
061 catch (JPAExecutorException je) {
062 throw new CommandException(je);
063 }
064 LOG.debug("ENDED Coord-Purge deleted jobs :" + jobList.size() + " and actions " + actionDeleted);
065 }
066 else {
067 LOG.debug("ENDED Coord-Purge no Coord job to be deleted");
068 }
069 return null;
070 }
071
072 /* (non-Javadoc)
073 * @see org.apache.oozie.command.XCommand#getEntityKey()
074 */
075 @Override
076 public String getEntityKey() {
077 return null;
078 }
079
080 /* (non-Javadoc)
081 * @see org.apache.oozie.command.XCommand#isLockRequired()
082 */
083 @Override
084 protected boolean isLockRequired() {
085 return false;
086 }
087
088 /* (non-Javadoc)
089 * @see org.apache.oozie.command.XCommand#loadState()
090 */
091 @Override
092 protected void loadState() throws CommandException {
093 try {
094 jpaService = Services.get().get(JPAService.class);
095
096 if (jpaService != null) {
097 this.jobList = jpaService.execute(new CoordJobsGetForPurgeJPAExecutor(olderThan, limit));
098 }
099 else {
100 throw new CommandException(ErrorCode.E0610);
101 }
102 }
103 catch (XException ex) {
104 throw new CommandException(ex);
105 }
106 }
107
108 /* (non-Javadoc)
109 * @see org.apache.oozie.command.XCommand#verifyPrecondition()
110 */
111 @Override
112 protected void verifyPrecondition() throws CommandException, PreconditionException {
113 }
114 }