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     * Delete the list of BundleAction for a BundleJob and return the number of actions been deleted.
028     */
029    public class BundleActionsDeleteForPurgeJPAExecutor implements JPAExecutor<Integer> {
030    
031        private String bundleId = null;
032    
033        public BundleActionsDeleteForPurgeJPAExecutor(String bundleId) {
034            ParamChecker.notNull(bundleId, "bundleId");
035            this.bundleId = bundleId;
036        }
037    
038        /* (non-Javadoc)
039         * @see org.apache.oozie.executor.jpa.JPAExecutor#getName()
040         */
041        @Override
042        public String getName() {
043            return "BundleActionsDeleteForPurgeJPAExecutor";
044        }
045    
046        /* (non-Javadoc)
047         * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager)
048         */
049        @Override
050        public Integer execute(EntityManager em) throws JPAExecutorException {
051            int actionsDeleted = 0;
052            try {
053                Query g = em.createNamedQuery("DELETE_COMPLETED_ACTIONS_FOR_BUNDLE");
054                g.setParameter("bundleId", bundleId);
055                actionsDeleted = g.executeUpdate();
056            }
057            catch (Exception e) {
058                throw new JPAExecutorException(ErrorCode.E0603, e);
059            }
060            return actionsDeleted;
061        }
062    }