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.Date;
022    import java.util.List;
023    
024    import javax.persistence.EntityManager;
025    import javax.persistence.Query;
026    
027    import org.apache.oozie.CoordinatorActionBean;
028    import org.apache.oozie.ErrorCode;
029    
030    /**
031     * Load the list of CoordinatorAction ordered by lastModifiedTime
032     */
033    public class CoordActionsGetByLastModifiedTimeJPAExecutor implements JPAExecutor<List<CoordinatorActionBean>> {
034        private Date d = null;
035    
036        public CoordActionsGetByLastModifiedTimeJPAExecutor(Date d) {
037            this.d = d;
038        }
039    
040        /* (non-Javadoc)
041         * @see org.apache.oozie.executor.jpa.JPAExecutor#getName()
042         */
043        @Override
044        public String getName() {
045            return "CoordActionsGetByLastModifiedTimeJPAExecutor";
046        }
047    
048        /* (non-Javadoc)
049         * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager)
050         */
051        @Override
052        @SuppressWarnings("unchecked")
053        public List<CoordinatorActionBean> execute(EntityManager em) throws JPAExecutorException {
054            List<CoordinatorActionBean> baBeans;
055            try {
056                Query q = em.createNamedQuery("GET_COORD_ACTIONS_BY_LAST_MODIFIED_TIME");
057                q.setParameter("lastModifiedTime", new Timestamp(d.getTime()));
058                baBeans = q.getResultList();
059            }
060            catch (Exception e) {
061                throw new JPAExecutorException(ErrorCode.E0603, e);
062            }
063    
064            return baBeans;
065        }
066    }