001    /**
002     * Copyright 2005-2011 The Kuali Foundation
003     *
004     * Licensed under the Educational Community License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.opensource.org/licenses/ecl2.php
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    package org.kuali.rice.krad.dao.impl;
017    
018    import java.sql.Timestamp;
019    
020    import javax.persistence.EntityManager;
021    import javax.persistence.PersistenceContext;
022    
023    import org.kuali.rice.core.framework.persistence.jpa.criteria.Criteria;
024    import org.kuali.rice.core.framework.persistence.jpa.criteria.QueryByCriteria;
025    import org.kuali.rice.core.framework.persistence.jpa.criteria.QueryByCriteria.QueryByCriteriaType;
026    import org.kuali.rice.krad.bo.SessionDocument;
027    import org.kuali.rice.krad.dao.SessionDocumentDao;
028    import org.kuali.rice.krad.util.KRADPropertyConstants;
029    
030    public class SessionDocumentDaoJpa implements SessionDocumentDao {
031        private static org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(SessionDocumentDaoJpa.class);
032        
033        @PersistenceContext
034            private EntityManager entityManager;
035        
036        /**
037         * @see org.kuali.rice.krad.dao.SessionDocumentDao#purgeAllSessionDocuments(java.sql.Timestamp)
038         */
039        public void purgeAllSessionDocuments(Timestamp expirationDate) {
040            Criteria criteria = new Criteria(SessionDocument.class.getName());
041            criteria.lt(KRADPropertyConstants.LAST_UPDATED_DATE, expirationDate);
042            new QueryByCriteria(entityManager, criteria, QueryByCriteriaType.DELETE).toQuery().executeUpdate();
043        }
044    
045        /**
046         * @return the entityManager
047         */
048        public EntityManager getEntityManager() {
049            return this.entityManager;
050        }
051    
052        /**
053         * @param entityManager the entityManager to set
054         */
055        public void setEntityManager(EntityManager entityManager) {
056            this.entityManager = entityManager;
057        }
058    
059    
060    }