001 /** 002 * Copyright 2005-2014 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 */ 016 package org.kuali.rice.krad.dao.proxy; 017 018 import org.apache.commons.lang.StringUtils; 019 import org.kuali.rice.krad.bo.ModuleConfiguration; 020 import org.kuali.rice.krad.dao.BusinessObjectDao; 021 import org.kuali.rice.krad.dao.DocumentDao; 022 import org.kuali.rice.krad.dao.impl.DocumentDaoOjb; 023 import org.kuali.rice.krad.document.Document; 024 import org.kuali.rice.krad.service.DocumentAdHocService; 025 import org.kuali.rice.krad.service.KRADServiceLocatorWeb; 026 import org.kuali.rice.krad.service.KualiModuleService; 027 import org.kuali.rice.krad.service.ModuleService; 028 import org.kuali.rice.krad.util.LegacyUtils; 029 import org.springframework.transaction.annotation.Transactional; 030 031 import java.util.List; 032 import java.util.Map; 033 import java.util.concurrent.ConcurrentHashMap; 034 035 @Transactional 036 public 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 }