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
019package org.apache.oozie.executor.jpa;
020
021import java.sql.Timestamp;
022import java.util.ArrayList;
023import java.util.Date;
024import java.util.List;
025
026import javax.persistence.EntityManager;
027import javax.persistence.Query;
028
029import org.apache.oozie.BundleJobBean;
030import org.apache.oozie.ErrorCode;
031
032/**
033 * Get a list of bundle Jobs that need to be started;
034 */
035public class BundleJobsGetNeedStartJPAExecutor implements JPAExecutor<List<BundleJobBean>> {
036    private Date date;
037
038    public BundleJobsGetNeedStartJPAExecutor(Date d) {
039        this.date = d;
040    }
041
042    @Override
043    public String getName() {
044        return "BundleJobsGetNeedStartJPAExecutor";
045    }
046
047    @Override
048    @SuppressWarnings("unchecked")
049    public List<BundleJobBean> execute(EntityManager em) throws JPAExecutorException {
050        List<BundleJobBean> bjBeans;
051        try {
052            Query q = em.createNamedQuery("GET_BUNDLE_JOBS_NEED_START");
053            q.setParameter("currentTime", new Timestamp(date.getTime()));
054            bjBeans = q.getResultList();
055
056        }
057        catch (Exception e) {
058            throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e);
059        }
060        return bjBeans;
061    }
062}