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.util.List;
018    
019    import javax.persistence.EntityManager;
020    import javax.persistence.Query;
021    
022    import org.apache.oozie.CoordinatorActionBean;
023    import org.apache.oozie.ErrorCode;
024    import org.apache.oozie.util.ParamChecker;
025    
026    /**
027     * Load the CoordinatorAction into a Bean and return it.
028     */
029    public class CoordActionGetJPAExecutor implements JPAExecutor<CoordinatorActionBean> {
030    
031        private String coordActionId = null;
032    
033        public CoordActionGetJPAExecutor(String coordActionId) {
034            ParamChecker.notNull(coordActionId, "coordActionId");
035            this.coordActionId = coordActionId;
036        }
037    
038        /* (non-Javadoc)
039         * @see org.apache.oozie.executor.jpa.JPAExecutor#getName()
040         */
041        @Override
042        public String getName() {
043            return "CoordActionGetJPAExecutor";
044        }
045    
046        /* (non-Javadoc)
047         * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager)
048         */
049        @Override
050        @SuppressWarnings("unchecked")
051        public CoordinatorActionBean execute(EntityManager em) throws JPAExecutorException {
052            List<CoordinatorActionBean> caBeans;
053            try {
054                Query q = em.createNamedQuery("GET_COORD_ACTION");
055                q.setParameter("id", coordActionId);
056                caBeans = q.getResultList();
057            }
058            catch (Exception e) {
059                throw new JPAExecutorException(ErrorCode.E0603, e);
060            }
061            CoordinatorActionBean bean = null;
062            if (caBeans != null && caBeans.size() > 0) {
063                bean = caBeans.get(0);
064                bean = getBeanForRunningCoordAction(bean);
065                return bean;
066            }
067            else {
068                throw new JPAExecutorException(ErrorCode.E0605, coordActionId);
069            }
070        }
071    
072        private CoordinatorActionBean getBeanForRunningCoordAction(CoordinatorActionBean a) {
073            if (a != null) {
074                CoordinatorActionBean action = new CoordinatorActionBean();
075                action.setId(a.getId());
076                action.setActionNumber(a.getActionNumber());
077                action.setActionXml(a.getActionXml());
078                action.setConsoleUrl(a.getConsoleUrl());
079                action.setCreatedConf(a.getCreatedConf());
080                action.setExternalStatus(a.getExternalStatus());
081                action.setMissingDependencies(a.getMissingDependencies());
082                action.setRunConf(a.getRunConf());
083                action.setTimeOut(a.getTimeOut());
084                action.setTrackerUri(a.getTrackerUri());
085                action.setType(a.getType());
086                action.setCreatedTime(a.getCreatedTime());
087                action.setExternalId(a.getExternalId());
088                action.setJobId(a.getJobId());
089                action.setLastModifiedTime(a.getLastModifiedTime());
090                action.setNominalTime(a.getNominalTime());
091                action.setSlaXml(a.getSlaXml());
092                action.setStatus(a.getStatus());
093                return action;
094            }
095            return null;
096        }
097    }