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.sla;
019
020import java.util.List;
021
022import javax.persistence.EntityManager;
023import javax.persistence.Query;
024
025import org.apache.oozie.ErrorCode;
026import org.apache.oozie.executor.jpa.JPAExecutor;
027import org.apache.oozie.executor.jpa.JPAExecutorException;
028import org.apache.oozie.sla.SLASummaryBean;
029
030/**
031 * Load the list of SLASummaryBean (for dashboard) and return the list.
032 */
033public class SLASummaryGetJPAExecutor implements JPAExecutor<SLASummaryBean> {
034
035    private String id = null;
036
037    public SLASummaryGetJPAExecutor(String id) {
038        this.id = id;
039    }
040
041    @Override
042    public String getName() {
043        return "SLASummaryGetJPAExecutor";
044    }
045
046    @SuppressWarnings("unchecked")
047    @Override
048    public SLASummaryBean execute(EntityManager em) throws JPAExecutorException {
049        List<SLASummaryBean> ssBeans;
050        Query q;
051        try {
052            q = em.createNamedQuery("GET_SLA_SUMMARY");
053            q.setParameter("id", id);
054            ssBeans = q.getResultList();
055        }
056        catch (Exception e) {
057            throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e);
058        }
059        SLASummaryBean slaSummaryBean = null;
060        if (ssBeans != null && ssBeans.size() > 0) {
061            slaSummaryBean = ssBeans.get(0);
062        }
063        return slaSummaryBean;
064    }
065
066}