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.List;
021    
022    import javax.persistence.EntityManager;
023    import javax.persistence.Query;
024    
025    import org.apache.oozie.ErrorCode;
026    import org.apache.oozie.SLAEventBean;
027    
028    /**
029     * Load the list of SLAEventBean and return the list.
030     */
031    @Deprecated
032    public class SLAEventsGetJPAExecutor implements JPAExecutor<List<SLAEventBean>> {
033    
034        private int limitLen = 100; // Default
035    
036        public SLAEventsGetJPAExecutor() {
037        }
038    
039        @Override
040        public String getName() {
041            return "SLAEventsGetJPAExecutor";
042        }
043    
044        @Override
045        @SuppressWarnings("unchecked")
046        public List<SLAEventBean> execute(EntityManager em) throws JPAExecutorException {
047            List<SLAEventBean> seBeans;
048            try {
049                Query q = em.createNamedQuery("GET_SLA_EVENTS");
050                q.setMaxResults(limitLen);
051                seBeans = q.getResultList();
052            }
053            catch (Exception e) {
054                throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e);
055            }
056            return seBeans;
057        }
058    
059    }