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 019package org.apache.oozie.executor.jpa; 020 021import javax.persistence.EntityManager; 022 023import org.apache.oozie.WorkflowActionBean; 024import org.apache.oozie.util.ParamChecker; 025 026public class WorkflowActionDeleteJPAExecutor implements JPAExecutor<Void> { 027 028 private final String wfActionId; 029 030 /** 031 * @param wfActionId 032 */ 033 public WorkflowActionDeleteJPAExecutor(String wfActionId) { 034 ParamChecker.notEmpty(wfActionId, "ActionID"); 035 this.wfActionId = wfActionId; 036 } 037 038 /* (non-Javadoc) 039 * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager) 040 */ 041 @Override 042 public Void execute(EntityManager em) throws JPAExecutorException { 043 WorkflowActionBean action = em.find(WorkflowActionBean.class, this.wfActionId); 044 if (action != null) { 045 em.remove(action); 046 } 047 return null; 048 } 049 050 /* (non-Javadoc) 051 * @see org.apache.oozie.executor.jpa.JPAExecutor#getName() 052 */ 053 @Override 054 public String getName() { 055 return "WorkflowActionDeleteJPAExecutor"; 056 } 057}