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.Collection; 021 import java.util.List; 022 023 import org.apache.oozie.ErrorCode; 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.client.rest.JsonBean; 028 import org.apache.oozie.command.CommandException; 029 import org.apache.oozie.command.PreconditionException; 030 import org.apache.oozie.executor.jpa.BulkDeleteForPurgeJPAExecutor; 031 import org.apache.oozie.executor.jpa.JPAExecutorException; 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<? extends JsonBean> 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 try { 053 actionDeleted = jpaService.execute(new BulkDeleteForPurgeJPAExecutor((Collection<JsonBean>) jobList)); 054 } 055 catch (JPAExecutorException je) { 056 throw new CommandException(je); 057 } 058 LOG.debug("ENDED Workflow-Purge deleted jobs :" + jobList.size() + " and actions " + actionDeleted); 059 } 060 else { 061 LOG.debug("ENDED Workflow-Purge no workflow job to be deleted"); 062 } 063 return null; 064 } 065 066 @Override 067 public String getEntityKey() { 068 return null; 069 } 070 071 @Override 072 protected boolean isLockRequired() { 073 return false; 074 } 075 076 @Override 077 protected void loadState() throws CommandException { 078 try { 079 jpaService = Services.get().get(JPAService.class); 080 081 if (jpaService != null) { 082 this.jobList = jpaService.execute(new WorkflowJobsGetForPurgeJPAExecutor(olderThan, limit)); 083 } 084 else { 085 throw new CommandException(ErrorCode.E0610); 086 } 087 } 088 catch (XException ex) { 089 throw new CommandException(ex); 090 } 091 092 } 093 094 @Override 095 protected void verifyPrecondition() throws CommandException, PreconditionException { 096 } 097 098 }