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 */ 018package org.apache.oozie.executor.jpa; 019 020import java.sql.Timestamp; 021import javax.persistence.EntityManager; 022import javax.persistence.Query; 023 024import org.apache.oozie.CoordinatorActionBean; 025import org.apache.oozie.ErrorCode; 026import org.apache.oozie.client.CoordinatorAction; 027import org.apache.oozie.util.DateUtils; 028import org.apache.oozie.util.ParamChecker; 029 030/** 031 * JPAExecutor to get attributes of CoordinatorActionBean required by SLAService on restart 032 */ 033public class CoordActionGetForSLAJPAExecutor implements JPAExecutor<CoordinatorActionBean> { 034 035 private String coordActionId; 036 037 public CoordActionGetForSLAJPAExecutor(String coordActionId) { 038 ParamChecker.notNull(coordActionId, "coordActionId"); 039 this.coordActionId = coordActionId; 040 } 041 042 @Override 043 public String getName() { 044 return "CoordActionGetForSLAJPAExecutor"; 045 } 046 047 @Override 048 public CoordinatorActionBean execute(EntityManager em) throws JPAExecutorException { 049 try { 050 Query q = em.createNamedQuery("GET_COORD_ACTION_FOR_SLA"); 051 q.setParameter("id", coordActionId); 052 Object[] obj = (Object[]) q.getSingleResult(); 053 CoordinatorActionBean caBean = getBeanForRunningCoordAction(obj); 054 return caBean; 055 } 056 catch (Exception e) { 057 throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e); 058 } 059 060 } 061 062 private CoordinatorActionBean getBeanForRunningCoordAction(Object[] arr) { 063 CoordinatorActionBean bean = new CoordinatorActionBean(); 064 if (arr[0] != null) { 065 bean.setId((String) arr[0]); 066 } 067 if (arr[1] != null) { 068 bean.setJobId((String) arr[1]); 069 } 070 if (arr[2] != null) { 071 bean.setStatus(CoordinatorAction.Status.valueOf((String) arr[2])); 072 } 073 if (arr[3] != null) { 074 bean.setExternalId((String) arr[3]); 075 } 076 if (arr[4] != null) { 077 bean.setLastModifiedTime(DateUtils.toDate((Timestamp)arr[4])); 078 } 079 return bean; 080 } 081}