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.util.List;
022
023import javax.persistence.EntityManager;
024import javax.persistence.Query;
025
026import org.apache.oozie.CoordinatorJobBean;
027import org.apache.oozie.ErrorCode;
028import org.apache.oozie.util.ParamChecker;
029
030/**
031 * Load the coordinators for specified bundle in the Coordinator job bean
032 */
033public class BundleJobGetCoordinatorsJPAExecutor implements JPAExecutor<List<CoordinatorJobBean>> {
034    private String bundleId = null;
035
036    public BundleJobGetCoordinatorsJPAExecutor(String bundleId) {
037        ParamChecker.notNull(bundleId, "bundleId");
038        this.bundleId = bundleId;
039    }
040
041    /* (non-Javadoc)
042     * @see org.apache.oozie.executor.jpa.JPAExecutor#getName()
043     */
044    @Override
045    public String getName() {
046        return "BundleJobGetCoordinatorsJPAExecutor";
047    }
048
049    /* (non-Javadoc)
050     * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager)
051     */
052    @Override
053    @SuppressWarnings("unchecked")
054    public List<CoordinatorJobBean> execute(EntityManager em) throws JPAExecutorException {
055        List<CoordinatorJobBean> coordJobBeans;
056        try {
057            Query q = em.createNamedQuery("GET_COORD_JOBS_FOR_BUNDLE");
058            q.setParameter("bundleId", bundleId);
059            coordJobBeans = q.getResultList();
060
061            for (CoordinatorJobBean cjBean : coordJobBeans) {
062                cjBean.setStatus(cjBean.getStatus());
063                cjBean.setTimeUnit(cjBean.getTimeUnit());
064                cjBean.setStartTimestamp(cjBean.getStartTimestamp());
065                cjBean.setEndTimestamp(cjBean.getEndTimestamp());
066                cjBean.setNextMaterializedTimestamp(cjBean.getNextMaterializedTimestamp());
067            }
068
069            return coordJobBeans;
070        }
071        catch (Exception e) {
072            throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e);
073        }
074    }
075}