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.sql.Timestamp;
021    import java.util.List;
022    
023    import javax.persistence.EntityManager;
024    import javax.persistence.Query;
025    
026    import org.apache.oozie.CoordinatorActionBean;
027    import org.apache.oozie.ErrorCode;
028    import org.apache.oozie.client.CoordinatorAction;
029    import org.apache.oozie.util.DateUtils;
030    import org.apache.oozie.util.ParamChecker;
031    
032    /**
033     * Load coordinator action by externalId.
034     */
035    public class CoordActionGetForExternalIdJPAExecutor implements JPAExecutor<CoordinatorActionBean> {
036    
037        private String externalId = null;
038    
039        public CoordActionGetForExternalIdJPAExecutor(String externalId) {
040            ParamChecker.notNull(externalId, "externalId");
041            this.externalId = externalId;
042        }
043    
044        /* (non-Javadoc)
045         * @see org.apache.oozie.executor.jpa.JPAExecutor#getName()
046         */
047        @Override
048        public String getName() {
049            return "CoordActionGetForExternalIdJPAExecutor";
050        }
051    
052        /* (non-Javadoc)
053         * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager)
054         */
055        @Override
056        @SuppressWarnings("unchecked")
057        public CoordinatorActionBean execute(EntityManager em) throws JPAExecutorException {
058            try {
059                CoordinatorActionBean caBean = null;
060                Query q = em.createNamedQuery("GET_COORD_ACTION_FOR_EXTERNALID");
061                q.setParameter("externalId", externalId);
062                List<Object[]> actionArr = q.getResultList();
063                // Actionarr may be empty if the CoordAction table is not yet updated by CoordActionStart thread
064                if (actionArr.size() > 0) {
065                    caBean = getBeanForRunningCoordAction(actionArr.get(0));
066                }
067                return caBean;
068            }
069            catch (Exception e) {
070                throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e);
071            }
072        }
073    
074        private CoordinatorActionBean getBeanForRunningCoordAction(Object arr[]) {
075            CoordinatorActionBean bean = new CoordinatorActionBean();
076            if (arr[0] != null) {
077                bean.setId((String) arr[0]);
078            }
079            if (arr[1] != null) {
080                bean.setJobId((String) arr[1]);
081            }
082            if (arr[2] != null) {
083                bean.setStatus(CoordinatorAction.Status.valueOf((String) arr[2]));
084            }
085            if (arr[3] != null) {
086                bean.setPending((Integer) arr[3]);
087            }
088            if (arr[4] != null) {
089                bean.setExternalId((String) arr[4]);
090            }
091            if (arr[5] != null) {
092                bean.setLastModifiedTime(DateUtils.toDate((Timestamp) arr[5]));
093            }
094            if (arr[6] != null){
095                bean.setSlaXml((String) arr[6]);
096            }
097            if (arr[7] != null){
098                bean.setNominalTime(DateUtils.toDate((Timestamp) arr[7]));
099            }
100            if (arr[8] != null){
101                bean.setCreatedTime(DateUtils.toDate((Timestamp) arr[8]));
102            }
103            return bean;
104        }
105    
106    
107    }