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 org.apache.oozie.ErrorCode; 022import org.apache.oozie.WorkflowJobBean; 023import org.apache.oozie.client.WorkflowJob; 024import org.apache.oozie.util.DateUtils; 025 026import javax.persistence.EntityManager; 027import javax.persistence.Query; 028import java.sql.Timestamp; 029import java.util.ArrayList; 030import java.util.List; 031 032public class WorkflowJobsBasicInfoFromWorkflowParentIdJPAExecutor implements JPAExecutor<List<WorkflowJobBean>> { 033 034 private String parentId; 035 private int limit; 036 private int offset; 037 038 public WorkflowJobsBasicInfoFromWorkflowParentIdJPAExecutor(String parentId, int limit) { 039 this(parentId, 0, limit); 040 } 041 042 public WorkflowJobsBasicInfoFromWorkflowParentIdJPAExecutor(String parentId, int offset, int limit) { 043 this.parentId = parentId; 044 this.offset = offset; 045 this.limit = limit; 046 } 047 048 @Override 049 public String getName() { 050 return "WorkflowJobsBasicInfoFromWorkflowParentIdJPAExecutor"; 051 } 052 053 @Override 054 @SuppressWarnings("unchecked") 055 public List<WorkflowJobBean> execute(EntityManager em) throws JPAExecutorException { 056 try { 057 Query jobQ = em.createNamedQuery("GET_WORKFLOWS_BASIC_INFO_BY_PARENT_ID"); 058 jobQ.setParameter("parentId", parentId); 059 jobQ.setMaxResults(limit); 060 jobQ.setFirstResult(offset); 061 return getBeanFromArray(jobQ.getResultList()); 062 } 063 catch (Exception e) { 064 throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e); 065 } 066 } 067 068 private List<WorkflowJobBean> getBeanFromArray(List resultList) { 069 List<WorkflowJobBean> wfActionBeanList = new ArrayList<WorkflowJobBean>(); 070 for (Object element : resultList) { 071 WorkflowJobBean wfBean = new WorkflowJobBean(); 072 Object[] arr = (Object[])element; 073 if(arr[0] != null) { 074 wfBean.setId((String) arr[0]); 075 } 076 if(arr[1] != null) { 077 wfBean.setStatus(WorkflowJob.Status.valueOf((String) arr[1])); 078 } 079 if(arr[2] != null) { 080 wfBean.setEndTime(DateUtils.toDate((Timestamp) arr[2])); 081 } 082 wfActionBeanList.add(wfBean); 083 } 084 085 return wfActionBeanList; 086 } 087}