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 WorkflowJobsBasicInfoFromCoordParentIdJPAExecutor implements JPAExecutor<List<WorkflowJobBean>> { 033 private String parentId; 034 private int limit; 035 private int offset; 036 037 public WorkflowJobsBasicInfoFromCoordParentIdJPAExecutor(String parentId, int limit) { 038 this(parentId, 0, limit); 039 } 040 041 public WorkflowJobsBasicInfoFromCoordParentIdJPAExecutor(String parentId, int offset, int limit) { 042 this.parentId = parentId; 043 this.offset = offset; 044 this.limit = limit; 045 } 046 047 @Override 048 public String getName() { 049 return "WorkflowJobsBasicInfoFromCoordParentIdJPAExecutor"; 050 } 051 052 @Override 053 @SuppressWarnings("unchecked") 054 public List<WorkflowJobBean> execute(EntityManager em) throws JPAExecutorException { 055 try { 056 Query jobQ = em.createNamedQuery("GET_WORKFLOWS_BASIC_INFO_BY_COORD_PARENT_ID"); 057 jobQ.setParameter("parentId", parentId + "%"); // The '%' is the wildcard 058 jobQ.setMaxResults(limit); 059 jobQ.setFirstResult(offset); 060 return getBeanFromArray(jobQ.getResultList()); 061 } 062 catch (Exception e) { 063 throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e); 064 } 065 } 066 067 private List<WorkflowJobBean> getBeanFromArray(List resultList) { 068 List<WorkflowJobBean> wfActionBeanList = new ArrayList<WorkflowJobBean>(); 069 for (Object element : resultList) { 070 WorkflowJobBean wfBean = new WorkflowJobBean(); 071 Object[] arr = (Object[])element; 072 if(arr[0] != null) { 073 wfBean.setId((String) arr[0]); 074 } 075 if(arr[1] != null) { 076 wfBean.setStatus(WorkflowJob.Status.valueOf((String) arr[1])); 077 } 078 if(arr[2] != null) { 079 wfBean.setEndTime(DateUtils.toDate((Timestamp) arr[2])); 080 } 081 wfActionBeanList.add(wfBean); 082 } 083 return wfActionBeanList; 084 } 085}