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.executor.jpa; 019 020 import javax.persistence.EntityManager; 021 import javax.persistence.Query; 022 023 import org.apache.oozie.ErrorCode; 024 import org.apache.oozie.util.ParamChecker; 025 026 /** 027 * Deletes the coordinator action if its in WAITING or READY state. 028 */ 029 public class CoordActionRemoveJPAExecutor implements JPAExecutor<Void> { 030 031 // private CoordinatorActionBean coordAction = null; 032 private String coordActionId = null; 033 034 /** 035 * Constructor which records coordinator action id. 036 * 037 * @param coordAction 038 */ 039 public CoordActionRemoveJPAExecutor(String coordActionId) { 040 ParamChecker.notNull(coordActionId, "coordActionId"); 041 this.coordActionId = coordActionId; 042 } 043 044 /* (non-Javadoc) 045 * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager) 046 */ 047 @Override 048 public Void execute(EntityManager em) throws JPAExecutorException { 049 Query g = em.createNamedQuery("DELETE_UNSCHEDULED_ACTION"); 050 g.setParameter("id", coordActionId); 051 int actionsDeleted; 052 try { 053 actionsDeleted = g.executeUpdate(); 054 } catch (Exception e) { 055 throw new JPAExecutorException(ErrorCode.E0603, e); 056 } 057 058 if (actionsDeleted == 0) 059 throw new JPAExecutorException(ErrorCode.E1022, coordActionId); 060 061 return null; 062 } 063 064 /* (non-Javadoc) 065 * @see org.apache.oozie.executor.jpa.JPAExecutor#getName() 066 */ 067 @Override 068 public String getName() { 069 return "CoordActionRemoveJPAExecutor"; 070 } 071 }