001 /** 002 * Copyright (c) 2010 Yahoo! Inc. All rights reserved. 003 * Licensed under the Apache License, Version 2.0 (the "License"); 004 * you may not use this file except in compliance with the License. 005 * You may obtain a copy of the License at 006 * 007 * http://www.apache.org/licenses/LICENSE-2.0 008 * 009 * Unless required by applicable law or agreed to in writing, software 010 * distributed under the License is distributed on an "AS IS" BASIS, 011 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012 * See the License for the specific language governing permissions and 013 * limitations under the License. See accompanying LICENSE file. 014 */ 015 package org.apache.oozie.executor.jpa; 016 017 import javax.persistence.EntityManager; 018 019 import org.apache.oozie.WorkflowActionBean; 020 import org.apache.oozie.util.ParamChecker; 021 import org.apache.oozie.ErrorCode; 022 023 /** 024 * Persist the WorkflowAction bean. 025 */ 026 public class WorkflowActionUpdateJPAExecutor implements JPAExecutor<String> { 027 028 private WorkflowActionBean wfAction = null; 029 030 public WorkflowActionUpdateJPAExecutor(WorkflowActionBean wfAction) { 031 ParamChecker.notNull(wfAction, "wfAction"); 032 this.wfAction = wfAction; 033 } 034 035 @Override 036 public String getName() { 037 return "WorkflowActionUpdateJPAExecutor"; 038 } 039 040 @Override 041 public String execute(EntityManager em) throws JPAExecutorException { 042 043 try { 044 em.merge(wfAction); 045 return null; 046 } 047 catch (Exception e) { 048 throw new JPAExecutorException(ErrorCode.E0603, e); 049 } 050 } 051 052 }