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