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 org.apache.oozie.CoordinatorJobBean;
022    import org.apache.oozie.ErrorCode;
023    import org.apache.oozie.util.ParamChecker;
024    
025    /**
026     * Update the CoordinatorJob into a Bean and persist it.
027     */
028    public class CoordJobUpdateJPAExecutor implements JPAExecutor<Void> {
029    
030        private CoordinatorJobBean coordJob = null;
031    
032        /**
033         * @param coordJob
034         */
035        public CoordJobUpdateJPAExecutor(CoordinatorJobBean coordJob) {
036            ParamChecker.notNull(coordJob, "CoordinatorJobBean");
037            this.coordJob = coordJob;
038        }
039    
040        /*
041         * (non-Javadoc)
042         *
043         * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.
044         * EntityManager)
045         */
046        @Override
047        public Void execute(EntityManager em) throws JPAExecutorException {
048            try {
049                em.merge(coordJob);
050                return null;
051            }
052            catch (Exception e) {
053                throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e);
054            }
055        }
056    
057        /*
058         * (non-Javadoc)
059         *
060         * @see org.apache.oozie.executor.jpa.JPAExecutor#getName()
061         */
062        @Override
063        public String getName() {
064            return "CoordinatorUpdateJobJPAExecutor";
065        }
066    
067    }