001 /**
002 * Copyright 2005-2011 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.core.api.CoreApiServiceLocator;
020 import org.kuali.rice.core.api.config.ConfigurationException;
021 import org.kuali.rice.core.framework.persistence.jpa.OrmUtils;
022 import org.kuali.rice.krad.bo.ModuleConfiguration;
023 import org.kuali.rice.krad.dao.LookupDao;
024 import org.kuali.rice.krad.dao.impl.LookupDaoJpa;
025 import org.kuali.rice.krad.dao.impl.LookupDaoOjb;
026 import org.kuali.rice.krad.service.KRADServiceLocator;
027 import org.kuali.rice.krad.service.KRADServiceLocatorWeb;
028 import org.kuali.rice.krad.service.KualiModuleService;
029 import org.kuali.rice.krad.service.ModuleService;
030 import org.springframework.transaction.annotation.Transactional;
031
032 import javax.persistence.EntityManager;
033 import java.util.Collection;
034 import java.util.Collections;
035 import java.util.HashMap;
036 import java.util.Map;
037
038 @Transactional
039 public class LookupDaoProxy implements LookupDao {
040
041 private LookupDao lookupDaoJpa;
042 private LookupDao lookupDaoOjb;
043 private static KualiModuleService kualiModuleService;
044 private static Map<String, LookupDao> lookupDaoValues = Collections.synchronizedMap(new HashMap<String, LookupDao>());
045
046 public void setLookupDaoJpa(LookupDao lookupDaoJpa) {
047 this.lookupDaoJpa = lookupDaoJpa;
048 }
049
050 public void setLookupDaoOjb(LookupDao lookupDaoOjb) {
051 this.lookupDaoOjb = lookupDaoOjb;
052 }
053
054 private LookupDao getDao(Class clazz) {
055 ModuleService moduleService = getKualiModuleService().getResponsibleModuleService(clazz);
056 if (moduleService != null) {
057 ModuleConfiguration moduleConfig = moduleService.getModuleConfiguration();
058 String dataSourceName = "";
059 EntityManager entityManager = null;
060 if (moduleConfig != null) {
061 dataSourceName = moduleConfig.getDataSourceName();
062 entityManager = moduleConfig.getEntityManager();
063 }
064
065 if (StringUtils.isNotEmpty(dataSourceName)) {
066 if (lookupDaoValues.get(dataSourceName) != null) {
067 return lookupDaoValues.get(dataSourceName);
068 } else {
069 if (OrmUtils.isJpaAnnotated(clazz) && OrmUtils.isJpaEnabled()) {
070 //using JPA
071 LookupDaoJpa classSpecificLookupDaoJpa = new LookupDaoJpa();
072 if (entityManager != null) {
073 classSpecificLookupDaoJpa.setEntityManager(entityManager);
074 classSpecificLookupDaoJpa.setPersistenceStructureService(
075 KRADServiceLocator.getPersistenceStructureService());
076 classSpecificLookupDaoJpa.setDateTimeService(CoreApiServiceLocator.getDateTimeService());
077 lookupDaoValues.put(dataSourceName, classSpecificLookupDaoJpa);
078 return classSpecificLookupDaoJpa;
079 } else {
080 throw new ConfigurationException("EntityManager is null. EntityManager must be set in the Module Configuration bean in the appropriate spring beans xml. (see nested exception for details).");
081 }
082 } else {
083 LookupDaoOjb classSpecificLookupDaoOjb = new LookupDaoOjb();
084 classSpecificLookupDaoOjb.setJcdAlias(dataSourceName);
085 classSpecificLookupDaoOjb.setPersistenceStructureService(
086 KRADServiceLocator.getPersistenceStructureService());
087 classSpecificLookupDaoOjb.setDateTimeService(CoreApiServiceLocator.getDateTimeService());
088 classSpecificLookupDaoOjb.setDataDictionaryService(
089 KRADServiceLocatorWeb.getDataDictionaryService());
090 lookupDaoValues.put(dataSourceName, classSpecificLookupDaoOjb);
091 return classSpecificLookupDaoOjb;
092 }
093 }
094
095 }
096 }
097 //return lookupDaoJpa;
098 return (OrmUtils.isJpaAnnotated(clazz) && OrmUtils.isJpaEnabled()) ? lookupDaoJpa : lookupDaoOjb;
099 }
100
101 /**
102 * @see org.kuali.rice.krad.dao.LookupDao#createCriteria(java.lang.Object, java.lang.String, java.lang.String, java.lang.Object)
103 */
104 public boolean createCriteria(Object example, String searchValue, String propertyName, Object criteria) {
105 return getDao(example.getClass()).createCriteria(example, searchValue, propertyName, criteria);
106 }
107
108 /**
109 * @see org.kuali.rice.krad.dao.LookupDao#createCriteria(java.lang.Object, java.lang.String, java.lang.String, boolean, java.lang.Object)
110 */
111 public boolean createCriteria(Object example, String searchValue, String propertyName, boolean caseInsensitive, boolean treatWildcardsAndOperatorsAsLiteral, Object criteria) {
112 return getDao(example.getClass()).createCriteria(example, searchValue, propertyName, caseInsensitive,
113 treatWildcardsAndOperatorsAsLiteral, criteria);
114 }
115
116 /**
117 * @see org.kuali.rice.krad.dao.LookupDao#findCollectionBySearchHelper(java.lang.Class, java.util.Map, boolean, boolean)
118 */
119 public Collection findCollectionBySearchHelper(Class example, Map formProps, boolean unbounded, boolean usePrimaryKeyValuesOnly) {
120 return getDao(example).findCollectionBySearchHelper(example, formProps, unbounded, usePrimaryKeyValuesOnly);
121 }
122
123 /**
124 * @see org.kuali.rice.krad.dao.LookupDao#findCountByMap(java.lang.Object, java.util.Map)
125 */
126 public Long findCountByMap(Object example, Map formProps) {
127 return getDao(example.getClass()).findCountByMap(example, formProps);
128 }
129
130 /**
131 * @see org.kuali.rice.krad.dao.LookupDao#findObjectByMap(java.lang.Object, java.util.Map)
132 */
133 public Object findObjectByMap(Object example, Map formProps) {
134 return getDao(example.getClass()).findObjectByMap(example, formProps);
135 }
136
137 private static KualiModuleService getKualiModuleService() {
138 if (kualiModuleService == null) {
139 kualiModuleService = KRADServiceLocatorWeb.getKualiModuleService();
140 }
141 return kualiModuleService;
142 }
143 }