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    package org.apache.oozie.executor.jpa;
019    
020    import java.util.List;
021    
022    import javax.persistence.EntityManager;
023    import javax.persistence.Query;
024    
025    import org.apache.oozie.CoordinatorJobBean;
026    import org.apache.oozie.ErrorCode;
027    import org.apache.oozie.util.ParamChecker;
028    
029    /**
030     * Load the coordinators for specified bundle in the Coordinator job bean
031     */
032    public 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    }