001    /**
002    * Copyright (c) 2010 Yahoo! Inc. All rights reserved.
003    * Licensed under the Apache License, Version 2.0 (the "License");
004    * you may not use this file except in compliance with the License.
005    * You may obtain a copy of the License at
006    *
007    * http://www.apache.org/licenses/LICENSE-2.0
008    *
009    * Unless required by applicable law or agreed to in writing, software
010    * distributed under the License is distributed on an "AS IS" BASIS,
011    * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    * See the License for the specific language governing permissions and
013    * limitations under the License. See accompanying LICENSE file.
014    */
015    package org.apache.oozie.executor.jpa;
016    
017    import java.util.Date;
018    
019    import javax.persistence.EntityManager;
020    
021    import org.apache.oozie.WorkflowJobBean;
022    import org.apache.oozie.util.ParamChecker;
023    import org.apache.oozie.ErrorCode;
024    
025    /**
026    * Persist the WorkflowJob bean.
027    */
028    public class WorkflowJobUpdateJPAExecutor implements JPAExecutor<Void> {
029    
030        private WorkflowJobBean wfJob = null;
031    
032        public WorkflowJobUpdateJPAExecutor(WorkflowJobBean wfJob) {
033            ParamChecker.notNull(wfJob, "wfJob");
034            this.wfJob = wfJob;
035        }
036    
037        /* (non-Javadoc)
038         * @see org.apache.oozie.executor.jpa.JPAExecutor#getName()
039         */
040        @Override
041        public String getName() {
042            return "WorkflowJobUpdateJPAExecutor";
043        }
044    
045        /* (non-Javadoc)
046         * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager)
047         */
048        @Override
049        public Void execute(EntityManager em) throws JPAExecutorException {
050            try {
051                wfJob.setLastModifiedTime(new Date());
052                em.merge(wfJob);
053                return null;
054            }
055            catch (Exception e) {
056                throw new JPAExecutorException(ErrorCode.E0603, e);
057            }
058        }
059    
060    }