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.util.List;
021    
022    import javax.persistence.EntityManager;
023    import javax.persistence.Query;
024    
025    import org.apache.oozie.CoordinatorActionBean;
026    import org.apache.oozie.ErrorCode;
027    import org.apache.oozie.util.ParamChecker;
028    
029    /**
030     * Load the CoordinatorJob into a Bean and return it.
031     */
032    public class CoordJobGetActionByActionNumberJPAExecutor implements JPAExecutor<String> {
033    
034        private String coordJobId = null;
035        private final int actionNumber;
036    
037        public CoordJobGetActionByActionNumberJPAExecutor(String coordJobId, int actionNumber) {
038            ParamChecker.notNull(coordJobId, "coordJobId");
039            this.coordJobId = coordJobId;
040            this.actionNumber = actionNumber;
041        }
042    
043        /* (non-Javadoc)
044         * @see org.apache.oozie.executor.jpa.JPAExecutor#getName()
045         */
046        @Override
047        public String getName() {
048            return "CoordJobGetActionByActionNumberJPAExecutor";
049        }
050    
051        /* (non-Javadoc)
052         * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager)
053         */
054        @Override
055        public String execute(EntityManager em) throws JPAExecutorException {
056            try {
057                Query q = em.createNamedQuery("GET_COORD_ACTION_FOR_COORD_JOB_BY_ACTION_NUMBER");
058                q.setParameter("jobId", coordJobId);
059                q.setParameter("actionNumber", actionNumber);
060                String actionId = (String) q.getSingleResult();
061                return actionId;
062            }
063            catch (Exception e) {
064                throw new JPAExecutorException(ErrorCode.E0603, e);
065            }
066        }
067    }