001/**
002 * Copyright 2005-2016 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.kuali.rice.krad.dao.proxy;
017
018import org.apache.commons.lang.StringUtils;
019import org.kuali.rice.krad.bo.ModuleConfiguration;
020import org.kuali.rice.krad.dao.BusinessObjectDao;
021import org.kuali.rice.krad.dao.DocumentDao;
022import org.kuali.rice.krad.dao.impl.DocumentDaoOjb;
023import org.kuali.rice.krad.document.Document;
024import org.kuali.rice.krad.service.DocumentAdHocService;
025import org.kuali.rice.krad.service.KRADServiceLocatorWeb;
026import org.kuali.rice.krad.service.KualiModuleService;
027import org.kuali.rice.krad.service.ModuleService;
028import org.kuali.rice.krad.util.LegacyUtils;
029import org.springframework.transaction.annotation.Transactional;
030
031import java.util.List;
032import java.util.Map;
033import java.util.concurrent.ConcurrentHashMap;
034
035@Transactional
036public class DocumentDaoProxy implements DocumentDao {
037
038    private DocumentDao documentDaoOjb;
039
040    private static KualiModuleService kualiModuleService;
041    private static Map<String, DocumentDao> documentDaoValues = new ConcurrentHashMap<String, DocumentDao>();
042
043    private DocumentDao getDao(Class<? extends Document> clazz) {
044        ModuleService moduleService = getKualiModuleService().getResponsibleModuleService(clazz);
045        if (moduleService != null) {
046            ModuleConfiguration moduleConfig = moduleService.getModuleConfiguration();
047            String dataSourceName = "";
048            if (moduleConfig != null) {
049                dataSourceName = moduleConfig.getDataSourceName();
050            }
051
052            if (StringUtils.isNotEmpty(dataSourceName)) {
053                if (documentDaoValues.get(dataSourceName) != null) {
054                    return documentDaoValues.get(dataSourceName);
055                }
056                //using OJB
057                DocumentDaoOjb documentDaoOjbInstance =
058                        new DocumentDaoOjb(
059                                        this.documentDaoOjb.getBusinessObjectDao(),
060                                        this.documentDaoOjb.getDocumentAdHocService());
061
062                // set the data source alias
063                documentDaoOjbInstance.setJcdAlias(dataSourceName);
064
065                documentDaoValues.put(dataSourceName, documentDaoOjbInstance);
066                return documentDaoOjbInstance;
067
068                }
069
070        }
071
072        return documentDaoOjb;
073    }
074    
075    /**
076         * @see org.kuali.rice.krad.dao.DocumentDao#save(org.kuali.rice.krad.document.Document)
077         */
078    @Override
079        public <T extends Document> T save(T document) {
080                return getDao(document.getClass()).save(document);
081        }
082    
083        /**
084         * @see org.kuali.rice.krad.dao.DocumentDao#findByDocumentHeaderId(java.lang.Class, java.lang.String)
085         */
086    @Override
087        public <T extends Document> T findByDocumentHeaderId(Class<T> clazz, String id) {
088                return getDao(clazz).findByDocumentHeaderId(clazz, id);
089        }
090
091        /**
092         * @see org.kuali.rice.krad.dao.DocumentDao#findByDocumentHeaderIds(java.lang.Class, java.util.List)
093         */
094    @Override
095        public <T extends Document> List<T> findByDocumentHeaderIds(Class<T> clazz, List<String> idList) {
096                return getDao(clazz).findByDocumentHeaderIds(clazz, idList);
097        }
098
099        /**
100         * @see org.kuali.rice.krad.dao.DocumentDao#getBusinessObjectDao()
101         */
102    @Override
103        public BusinessObjectDao getBusinessObjectDao() {
104                return documentDaoOjb.getBusinessObjectDao();
105        }
106
107        /**
108         * @see org.kuali.rice.krad.dao.DocumentDao#getDocumentAdHocService()
109         */
110    @Override
111        public DocumentAdHocService getDocumentAdHocService() {
112                return documentDaoOjb.getDocumentAdHocService();
113    }
114
115        public void setDocumentDaoOjb(DocumentDao documentDaoOjb) {
116                this.documentDaoOjb = documentDaoOjb;
117        }
118
119    private synchronized static KualiModuleService getKualiModuleService() {
120        if (kualiModuleService == null) {
121            kualiModuleService = KRADServiceLocatorWeb.getKualiModuleService();
122        }
123        return kualiModuleService;
124    }
125
126}