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;
021
022import javax.persistence.EntityManager;
023import javax.persistence.Query;
024
025import org.apache.oozie.CoordinatorJobBean;
026import org.apache.oozie.ErrorCode;
027import org.apache.oozie.util.ParamChecker;
028
029/**
030 * Load the coordinators for specified bundle in the Coordinator job bean
031 */
032public class BundleJobGetCoordinatorsJPAExecutor implements JPAExecutor<List<CoordinatorJobBean>> {
033    private String bundleId = null;
034
035    public BundleJobGetCoordinatorsJPAExecutor(String bundleId) {
036        ParamChecker.notNull(bundleId, "bundleId");
037        this.bundleId = bundleId;
038    }
039
040    /* (non-Javadoc)
041     * @see org.apache.oozie.executor.jpa.JPAExecutor#getName()
042     */
043    @Override
044    public String getName() {
045        return "BundleJobGetCoordinatorsJPAExecutor";
046    }
047
048    /* (non-Javadoc)
049     * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager)
050     */
051    @Override
052    @SuppressWarnings("unchecked")
053    public List<CoordinatorJobBean> execute(EntityManager em) throws JPAExecutorException {
054        List<CoordinatorJobBean> coordJobBeans;
055        try {
056            Query q = em.createNamedQuery("GET_COORD_JOBS_FOR_BUNDLE");
057            q.setParameter("bundleId", bundleId);
058            coordJobBeans = q.getResultList();
059
060            for (CoordinatorJobBean cjBean : coordJobBeans) {
061                cjBean.setStatus(cjBean.getStatus());
062                cjBean.setTimeUnit(cjBean.getTimeUnit());
063                cjBean.setStartTimestamp(cjBean.getStartTimestamp());
064                cjBean.setEndTimestamp(cjBean.getEndTimestamp());
065                cjBean.setNextMaterializedTimestamp(cjBean.getNextMaterializedTimestamp());
066            }
067
068            return coordJobBeans;
069        }
070        catch (Exception e) {
071            throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e);
072        }
073    }
074}