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 java.sql.Timestamp; 018 import java.util.ArrayList; 019 import java.util.Date; 020 import java.util.List; 021 022 import javax.persistence.EntityManager; 023 import javax.persistence.Query; 024 025 import org.apache.oozie.BundleJobBean; 026 import org.apache.oozie.ErrorCode; 027 028 /** 029 * Get a list of bundle Jobs that need to be started; 030 */ 031 public class BundleJobsGetNeedStartJPAExecutor implements JPAExecutor<List<BundleJobBean>> { 032 private Date date; 033 034 public BundleJobsGetNeedStartJPAExecutor(Date d) { 035 this.date = d; 036 } 037 038 @Override 039 public String getName() { 040 return "BundleJobsGetNeedStartJPAExecutor"; 041 } 042 043 @Override 044 @SuppressWarnings("unchecked") 045 public List<BundleJobBean> execute(EntityManager em) throws JPAExecutorException { 046 List<BundleJobBean> bjBeans; 047 List<BundleJobBean> jobList = new ArrayList<BundleJobBean>(); 048 try { 049 Query q = em.createNamedQuery("GET_BUNDLE_JOBS_NEED_START"); 050 q.setParameter("currentTime", new Timestamp(date.getTime())); 051 bjBeans = q.getResultList(); 052 for (BundleJobBean j : bjBeans) { 053 jobList.add(j); 054 } 055 } 056 catch (Exception e) { 057 throw new JPAExecutorException(ErrorCode.E0603, e); 058 } 059 return jobList; 060 } 061 }