| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.oozie.executor.jpa; |
| |
| import org.apache.oozie.ErrorCode; |
| import org.apache.oozie.FaultInjection; |
| |
| import javax.persistence.EntityManager; |
| import javax.persistence.Query; |
| import java.util.Collection; |
| |
| /** |
| * Delete WF job, its list of actions and return the number of actions that were deleted. |
| */ |
| public class WorkflowJobsDeleteJPAExecutor implements JPAExecutor<Integer> { |
| |
| private Collection<String> deleteList; |
| |
| /** |
| * Initialize the JPAExecutor using the delete list of WorkflowJobBeans |
| * @param deleteList list of workflows to be deleted |
| */ |
| public WorkflowJobsDeleteJPAExecutor(Collection<String> deleteList) { |
| this.deleteList = deleteList; |
| } |
| |
| public WorkflowJobsDeleteJPAExecutor() { |
| } |
| |
| /** |
| * Sets the delete list for WorkflowJobBeans |
| * |
| * @param deleteList list of workflows to be deleted |
| */ |
| public void setDeleteList(Collection<String> deleteList) { |
| this.deleteList = deleteList; |
| } |
| |
| @Override |
| public String getName() { |
| return "WorkflowJobsDeleteJPAExecutor"; |
| } |
| |
| @Override |
| public Integer execute(EntityManager em) throws JPAExecutorException { |
| int actionsDeleted = 0; |
| try { |
| // Only used by test cases to check for rollback of transaction |
| FaultInjection.activate("org.apache.oozie.command.SkipCommitFaultInjection"); |
| if (deleteList != null && !deleteList.isEmpty()) { |
| // Delete the WF job |
| Query q = em.createNamedQuery("DELETE_WORKFLOW"); |
| q.setParameter("id", deleteList); |
| q.executeUpdate(); |
| // Delete the actions for this WF job |
| Query g = em.createNamedQuery("DELETE_ACTIONS_FOR_WORKFLOW"); |
| g.setParameter("wfId", deleteList); |
| actionsDeleted = g.executeUpdate(); |
| } |
| } |
| catch (Exception e) { |
| throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e); |
| } |
| return actionsDeleted; |
| } |
| } |