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 java.util.List;
021
022 import org.apache.oozie.ErrorCode;
023 import org.apache.oozie.WorkflowJobBean;
024 import org.apache.oozie.XException;
025 import org.apache.oozie.service.JPAService;
026 import org.apache.oozie.service.Services;
027 import org.apache.oozie.command.CommandException;
028 import org.apache.oozie.command.PreconditionException;
029 import org.apache.oozie.executor.jpa.JPAExecutorException;
030 import org.apache.oozie.executor.jpa.WorkflowActionsDeleteForPurgeJPAExecutor;
031 import org.apache.oozie.executor.jpa.WorkflowJobDeleteJPAExecutor;
032 import org.apache.oozie.executor.jpa.WorkflowJobsGetForPurgeJPAExecutor;
033
034 public class PurgeXCommand extends WorkflowXCommand<Void> {
035 private JPAService jpaService = null;
036 private int olderThan;
037 private int limit;
038 private List<WorkflowJobBean> jobList = null;
039
040 public PurgeXCommand(int olderThan, int limit) {
041 super("purge", "purge", 0);
042 this.olderThan = olderThan;
043 this.limit = limit;
044 }
045
046 @Override
047 protected Void execute() throws CommandException {
048 LOG.debug("STARTED Workflow-Purge Attempting to purge Jobs older than [{0}] days.", olderThan);
049
050 int actionDeleted = 0;
051 if (jobList != null && jobList.size() != 0) {
052 for (WorkflowJobBean w : jobList) {
053 String wfId = w.getId();
054 try {
055 jpaService.execute(new WorkflowJobDeleteJPAExecutor(wfId));
056 actionDeleted += jpaService.execute(new WorkflowActionsDeleteForPurgeJPAExecutor(wfId));
057 }
058 catch (JPAExecutorException e) {
059 throw new CommandException(e);
060 }
061 }
062 LOG.debug("ENDED Workflow-Purge deleted jobs :" + jobList.size() + " and actions " + actionDeleted);
063 }
064 else {
065 LOG.debug("ENDED Workflow-Purge no workflow job to be deleted");
066 }
067 return null;
068 }
069
070 @Override
071 public String getEntityKey() {
072 return null;
073 }
074
075 @Override
076 protected boolean isLockRequired() {
077 return false;
078 }
079
080 @Override
081 protected void loadState() throws CommandException {
082 try {
083 jpaService = Services.get().get(JPAService.class);
084
085 if (jpaService != null) {
086 this.jobList = jpaService.execute(new WorkflowJobsGetForPurgeJPAExecutor(olderThan, limit));
087 }
088 else {
089 throw new CommandException(ErrorCode.E0610);
090 }
091 }
092 catch (XException ex) {
093 throw new CommandException(ex);
094 }
095
096 }
097
098 @Override
099 protected void verifyPrecondition() throws CommandException, PreconditionException {
100 }
101
102 }