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.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    import org.apache.oozie.util.ParamChecker;
030    
031    public class CoordActionsGetForRecoveryJPAExecutor implements JPAExecutor<List<CoordinatorActionBean>> {
032    
033        private long checkAgeSecs = 0;
034    
035        public CoordActionsGetForRecoveryJPAExecutor(final long checkAgeSecs) {
036            ParamChecker.notNull(checkAgeSecs, "checkAgeSecs");
037            this.checkAgeSecs = checkAgeSecs;
038        }
039    
040        /* (non-Javadoc)
041         * @see org.apache.oozie.executor.jpa.JPAExecutor#getName()
042         */
043        @Override
044        public String getName() {
045            return "CoordActionsGetForRecoveryJPAExecutor";
046        }
047    
048        /* (non-Javadoc)
049         * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager)
050         */
051        @Override
052        public List<CoordinatorActionBean> execute(EntityManager em) throws JPAExecutorException {
053            List<CoordinatorActionBean> allActions = new ArrayList<CoordinatorActionBean>();
054            List<CoordinatorActionBean> actions;
055            try {
056                Query q = em.createNamedQuery("GET_COORD_ACTIONS_FOR_RECOVERY_OLDER_THAN");
057                Timestamp ts = new Timestamp(System.currentTimeMillis() - this.checkAgeSecs * 1000);
058                q.setParameter("lastModifiedTime", ts);
059                actions = q.getResultList();
060                for (CoordinatorActionBean action : actions) {
061                    allActions.add(action);
062                }
063    
064                q = em.createNamedQuery("GET_COORD_ACTIONS_WAITING_SUBMITTED_OLDER_THAN");
065                q.setParameter("lastModifiedTime", ts);
066                actions = q.getResultList();
067                for (CoordinatorActionBean action : actions) {
068                    allActions.add(action);
069                }
070                
071                return allActions;
072            }
073            catch (IllegalStateException e) {
074                throw new JPAExecutorException(ErrorCode.E0601, e.getMessage(), e);
075            }
076        }
077    }