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.sla;
019    
020    import java.util.Collection;
021    
022    import javax.persistence.EntityManager;
023    
024    import org.apache.oozie.ErrorCode;
025    import org.apache.oozie.FaultInjection;
026    import org.apache.oozie.client.rest.JsonBean;
027    import org.apache.oozie.executor.jpa.JPAExecutor;
028    import org.apache.oozie.executor.jpa.JPAExecutorException;
029    import org.apache.oozie.util.ParamChecker;
030    
031    /**
032     * Persist the SLA beans to tables SLA_CALCULATOR and SLA_SUMMARY.
033     */
034    public class SLACalculationInsertUpdateJPAExecutor implements JPAExecutor<String> {
035    
036        private Collection<JsonBean> insertList;
037        private Collection<JsonBean> updateList;
038    
039        public SLACalculationInsertUpdateJPAExecutor(Collection<JsonBean> insertList, Collection<JsonBean> updateList) {
040            setInsertList(insertList);
041            setUpdateList(updateList);
042        }
043    
044        public SLACalculationInsertUpdateJPAExecutor() {
045        }
046    
047        /**
048         * Sets the list of beans to insert
049         *
050         * @param insert
051         */
052        public void setInsertList(Collection<JsonBean> insertList) {
053            this.insertList = insertList;
054        }
055    
056        /**
057         * Sets the list of beans to update
058         *
059         * @param update
060         */
061        public void setUpdateList(Collection<JsonBean> updateList) {
062            this.updateList = updateList;
063        }
064    
065        /*
066         * (non-Javadoc)
067         *
068         * @see org.apache.oozie.executor.jpa.JPAExecutor#getName()
069         */
070        @Override
071        public String getName() {
072            return "SLACalculationInsertUpdateJPAExecutor";
073        }
074    
075        /*
076         * (non-Javadoc)
077         *
078         * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.
079         * EntityManager)
080         */
081        @Override
082        public String execute(EntityManager em) throws JPAExecutorException {
083            try {
084                if (insertList != null) {
085                    for (JsonBean entity : insertList) {
086                        ParamChecker.notNull(entity, "JsonBean");
087                        em.persist(entity);
088                    }
089                }
090                // Only used by test cases to check for rollback of transaction
091                FaultInjection.activate("org.apache.oozie.command.SkipCommitFaultInjection");
092                if (updateList != null) {
093                    for (JsonBean entity : updateList) {
094                        ParamChecker.notNull(entity, "JsonBean");
095                        em.merge(entity);
096                    }
097                }
098                return null;
099            }
100            catch (Exception e) {
101                throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e);
102            }
103        }
104    
105    }