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.Date;
021    
022    import javax.persistence.EntityManager;
023    
024    import org.apache.oozie.WorkflowJobBean;
025    import org.apache.oozie.util.ParamChecker;
026    import org.apache.oozie.ErrorCode;
027    
028    /**
029    * Persist the WorkflowJob bean.
030    */
031    public class WorkflowJobUpdateJPAExecutor implements JPAExecutor<Void> {
032    
033        private WorkflowJobBean wfJob = null;
034    
035        public WorkflowJobUpdateJPAExecutor(WorkflowJobBean wfJob) {
036            ParamChecker.notNull(wfJob, "wfJob");
037            this.wfJob = wfJob;
038        }
039    
040        /* (non-Javadoc)
041         * @see org.apache.oozie.executor.jpa.JPAExecutor#getName()
042         */
043        @Override
044        public String getName() {
045            return "WorkflowJobUpdateJPAExecutor";
046        }
047    
048        /* (non-Javadoc)
049         * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager)
050         */
051        @Override
052        public Void execute(EntityManager em) throws JPAExecutorException {
053            try {
054                wfJob.setLastModifiedTime(new Date());
055                em.merge(wfJob);
056                return null;
057            }
058            catch (Exception e) {
059                throw new JPAExecutorException(ErrorCode.E0603, e);
060            }
061        }
062    
063    }