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 javax.persistence.EntityManager;
021    import javax.persistence.Query;
022    
023    import org.apache.oozie.CoordinatorActionBean;
024    import org.apache.oozie.ErrorCode;
025    import org.apache.oozie.client.CoordinatorAction;
026    import org.apache.oozie.util.ParamChecker;
027    
028    /**
029     * JPAExecutor to get attributes of CoordinatorActionBean required by CoordActionTimeoutXCommand
030     */
031    public class CoordActionGetForTimeoutJPAExecutor implements JPAExecutor<CoordinatorActionBean> {
032    
033        private String coordActionId = null;
034    
035        public CoordActionGetForTimeoutJPAExecutor(String coordActionId) {
036            ParamChecker.notNull(coordActionId, "coordActionId");
037            this.coordActionId = coordActionId;
038        }
039    
040        /* (non-Javadoc)
041         * @see org.apache.oozie.executor.jpa.JPAExecutor#getName()
042         */
043        @Override
044        public String getName() {
045            return "CoordActionGetForTimeoutJPAExecutor";
046        }
047    
048        /* (non-Javadoc)
049         * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager)
050         */
051        @Override
052        public CoordinatorActionBean execute(EntityManager em) throws JPAExecutorException {
053            try {
054                Query q = em.createNamedQuery("GET_COORD_ACTION_FOR_TIMEOUT");
055                q.setParameter("id", coordActionId);
056                Object[] obj = (Object[]) q.getSingleResult();
057                CoordinatorActionBean caBean = getBeanForRunningCoordAction(obj);
058                return caBean;
059            }
060            catch (Exception e) {
061                throw new JPAExecutorException(ErrorCode.E0603, e);
062            }
063    
064        }
065    
066        private CoordinatorActionBean getBeanForRunningCoordAction(Object[] arr) {
067            CoordinatorActionBean bean = new CoordinatorActionBean();
068            if (arr[0] != null) {
069                bean.setId((String) arr[0]);
070            }
071            if (arr[1] != null) {
072                bean.setJobId((String) arr[1]);
073            }
074            if (arr[2] != null) {
075                bean.setStatus(CoordinatorAction.Status.valueOf((String) arr[2]));
076            }
077            if (arr[3] != null) {
078                bean.setRunConf((String) arr[3]);
079            }
080            if (arr[4] != null) {
081                bean.setPending((Integer) arr[4]);
082            }
083            return bean;
084    
085        }
086    }