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 */
018package org.apache.oozie.executor.jpa;
019
020import java.util.List;
021import javax.persistence.EntityManager;
022import javax.persistence.Query;
023import org.apache.oozie.ErrorCode;
024import org.apache.oozie.SLAEventBean;
025
026/**
027 * Load the list of SLAEventBean for a seqId and return the list.
028 */
029@Deprecated
030public class SLAEventsGetForSeqIdJPAExecutor implements JPAExecutor<List<SLAEventBean>> {
031
032    private long seqId = 0;
033    private int limitLen = 100; // Default
034    private long[] lastSeqId;
035
036    public SLAEventsGetForSeqIdJPAExecutor(long seqId, int limitLen, long[] lastSeqId) {
037        this.seqId = seqId;
038        this.limitLen = limitLen;
039        this.lastSeqId = lastSeqId;
040        this.lastSeqId[0] = seqId;
041    }
042
043    @Override
044    public String getName() {
045        return "SLAEventsGetForSeqIdJPAExecutor";
046    }
047
048    @Override
049    @SuppressWarnings("unchecked")
050    public List<SLAEventBean> execute(EntityManager em) throws JPAExecutorException {
051        List<SLAEventBean> seBeans;
052        try {
053            Query q = em.createNamedQuery("GET_SLA_EVENT_NEWER_SEQ_LIMITED");
054            q.setParameter("id", seqId);
055            q.setMaxResults(limitLen);
056            seBeans = q.getResultList();
057            for (SLAEventBean j : seBeans) {
058                lastSeqId[0] = Math.max(lastSeqId[0], j.getEvent_id());
059            }
060        }
061        catch (Exception e) {
062            throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e);
063        }
064        return seBeans;
065    }
066}