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.Collection;
021    import java.util.Date;
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.FaultInjection;
029    import org.apache.oozie.client.rest.JsonBean;
030    import org.apache.oozie.util.ParamChecker;
031    
032    /**
033     * Class for inserting and updating beans in bulk
034     *
035     */
036    public class BulkUpdateInsertForCoordActionStartJPAExecutor implements JPAExecutor<Void> {
037    
038        private Collection<JsonBean> updateList;
039        private Collection<JsonBean> insertList;
040    
041        /**
042         * Initialize the JPAExecutor using the update and insert list of JSON beans
043         *
044         * @param updateList
045         * @param insertList
046         */
047        public BulkUpdateInsertForCoordActionStartJPAExecutor(Collection<JsonBean> updateList,
048                Collection<JsonBean> insertList) {
049            this.updateList = updateList;
050            this.insertList = insertList;
051        }
052    
053        public BulkUpdateInsertForCoordActionStartJPAExecutor() {
054        }
055    
056        /**
057         * Sets the update list for JSON bean
058         *
059         * @param updateList
060         */
061        public void setUpdateList(Collection<JsonBean> updateList) {
062            this.updateList = updateList;
063        }
064    
065        /**
066         * Sets the insert list for JSON bean
067         *
068         * @param insertList
069         */
070        public void setInsertList(Collection<JsonBean> insertList) {
071            this.insertList = insertList;
072        }
073    
074        /*
075         * (non-Javadoc)
076         *
077         * @see org.apache.oozie.executor.jpa.JPAExecutor#getName()
078         */
079        @Override
080        public String getName() {
081            return "BulkUpdateInsertForCoordActionStartJPAExecutor";
082        }
083    
084        /*
085         * (non-Javadoc)
086         *
087         * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.
088         * EntityManager)
089         */
090        @Override
091        public Void execute(EntityManager em) throws JPAExecutorException {
092            try {
093                if (insertList != null) {
094                    for (JsonBean entity : insertList) {
095                        ParamChecker.notNull(entity, "JsonBean");
096                        em.persist(entity);
097                    }
098                }
099                // Only used by test cases to check for rollback of transaction
100                FaultInjection.activate("org.apache.oozie.command.SkipCommitFaultInjection");
101                if (updateList != null) {
102                    for (JsonBean entity : updateList) {
103                        ParamChecker.notNull(entity, "JsonBean");
104                        if (entity instanceof CoordinatorActionBean) {
105                            CoordinatorActionBean action = (CoordinatorActionBean) entity;
106                            Query q = em.createNamedQuery("UPDATE_COORD_ACTION_FOR_START");
107                            q.setParameter("id", action.getId());
108                            q.setParameter("status", action.getStatus().toString());
109                            q.setParameter("lastModifiedTime", new Date());
110                            q.setParameter("runConf", action.getRunConf());
111                            q.setParameter("externalId", action.getExternalId());
112                            q.setParameter("pending", action.getPending());
113                            q.executeUpdate();
114                        }
115                        else {
116                            em.merge(entity);
117                        }
118                    }
119                }
120                // Since the return type is Void, we have to return null
121                return null;
122            }
123            catch (Exception e) {
124                throw new JPAExecutorException(ErrorCode.E0603, e);
125            }
126        }
127    }