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    package org.apache.oozie.executor.jpa;
019    
020    import java.sql.Timestamp;
021    import java.util.ArrayList;
022    import java.util.Date;
023    import java.util.List;
024    
025    import javax.persistence.EntityManager;
026    import javax.persistence.Query;
027    
028    import org.apache.oozie.BundleJobBean;
029    import org.apache.oozie.ErrorCode;
030    
031    /**
032     * Get a list of bundle Jobs that need to be started;
033     */
034    public class BundleJobsGetNeedStartJPAExecutor implements JPAExecutor<List<BundleJobBean>> {
035        private Date date;
036    
037        public BundleJobsGetNeedStartJPAExecutor(Date d) {
038            this.date = d;
039        }
040    
041        @Override
042        public String getName() {
043            return "BundleJobsGetNeedStartJPAExecutor";
044        }
045    
046        @Override
047        @SuppressWarnings("unchecked")
048        public List<BundleJobBean> execute(EntityManager em) throws JPAExecutorException {
049            List<BundleJobBean> bjBeans;
050            List<BundleJobBean> jobList = new ArrayList<BundleJobBean>();
051            try {
052                Query q = em.createNamedQuery("GET_BUNDLE_JOBS_NEED_START");
053                q.setParameter("currentTime", new Timestamp(date.getTime()));
054                bjBeans = q.getResultList();
055                for (BundleJobBean j : bjBeans) {
056                    jobList.add(j);
057                }
058            }
059            catch (Exception e) {
060                throw new JPAExecutorException(ErrorCode.E0603, e);
061            }
062            return jobList;
063        }
064    }