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.Date;
023import java.util.List;
024
025import javax.persistence.EntityManager;
026import javax.persistence.Query;
027
028import org.apache.oozie.CoordinatorActionBean;
029import org.apache.oozie.ErrorCode;
030import org.apache.oozie.util.DateUtils;
031import org.apache.oozie.util.ParamChecker;
032
033/**
034 * Load coordinator action by nominal time.
035 */
036public class CoordJobGetActionForNominalTimeJPAExecutor implements JPAExecutor<CoordinatorActionBean> {
037
038    private String jobId = null;
039    private Date nominalTime = null;
040
041    public CoordJobGetActionForNominalTimeJPAExecutor(String jobId, Date nominalTime) {
042        ParamChecker.notNull(jobId, "jobId");
043        this.jobId = jobId;
044        this.nominalTime = nominalTime;
045    }
046
047    @Override
048    public String getName() {
049        return "CoordJobGetActionForNominalTimeJPAExecutor";
050    }
051
052    @Override
053    @SuppressWarnings("unchecked")
054    public CoordinatorActionBean execute(EntityManager em) throws JPAExecutorException {
055        List<CoordinatorActionBean> actions;
056        Query q = em.createNamedQuery("GET_ACTION_FOR_NOMINALTIME");
057        q.setParameter("jobId", jobId);
058        q.setParameter("nominalTime", new Timestamp(nominalTime.getTime()));
059        actions = q.getResultList();
060
061        CoordinatorActionBean action = null;
062        if (actions.size() > 0) {
063            action = actions.get(0);
064        }
065        else {
066            throw new JPAExecutorException(ErrorCode.E0605, DateUtils.formatDateOozieTZ(nominalTime));
067        }
068        return action;
069    }
070
071}