/*
* Copyright 2008, Unitils.org
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.unitils.orm.hibernate.util;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
import org.springframework.orm.hibernate3.LocalSessionFactoryBean;
import org.unitils.core.Unitils;
import org.unitils.core.UnitilsException;
import org.unitils.database.DatabaseModule;
import org.unitils.orm.common.util.ConfiguredOrmPersistenceUnit;
import org.unitils.orm.common.util.OrmConfig;
import org.unitils.orm.common.util.OrmPersistenceUnitLoader;
import org.unitils.orm.hibernate.HibernateModule;
import javax.sql.DataSource;
//todo javadoc
public class HibernateSessionFactoryLoader implements OrmPersistenceUnitLoader<SessionFactory, Configuration, OrmConfig> {
protected String databaseName;
/**
* @param databaseName
*/
public HibernateSessionFactoryLoader(String databaseName) {
this.databaseName = databaseName;
}
public ConfiguredOrmPersistenceUnit<SessionFactory, Configuration> getConfiguredOrmPersistenceUnit(Object testObject, OrmConfig entityManagerConfig) {
LocalSessionFactoryBean factoryBean = createSessionFactoryBean(testObject, entityManagerConfig);
SessionFactory entityManagerFactory = (SessionFactory) factoryBean.getObject();
Configuration hibernateConfiguration = factoryBean.getConfiguration();
return new ConfiguredOrmPersistenceUnit<SessionFactory, Configuration>(entityManagerFactory, hibernateConfiguration);
}
protected LocalSessionFactoryBean createSessionFactoryBean(Object testObject, OrmConfig entityManagerConfig) {
// A custom subclass of spring's LocalSessionFactoryBean is used, to enable calling a custom config method
UnitilsLocalSessionFactoryBean factoryBean = new UnitilsLocalSessionFactoryBean();
factoryBean.setDataSource(getDataSource());
factoryBean.setConfigurationClass(getConfigurationObjectClass());
Resource[] hibernateConfigFiles = new Resource[entityManagerConfig.getConfigFiles().size()];
int index = 0;
for (String configFileName : entityManagerConfig.getConfigFiles()) {
hibernateConfigFiles[index++] = new ClassPathResource(configFileName);
}
factoryBean.setConfigLocations(hibernateConfigFiles);
// Enable invocation of custom config method
factoryBean.setTestObject(testObject);
factoryBean.setCustomConfigMethod(entityManagerConfig.getConfigMethod());
// Build SessionFactory
try {
factoryBean.afterPropertiesSet();
} catch (Exception e) {
throw new UnitilsException("Error while processing " + LocalSessionFactoryBean.class.getSimpleName() + " configuration", e);
}
return factoryBean;
}
protected Class<? extends Configuration> getConfigurationObjectClass() {
return getHibernateModule().getConfigurationObjectClass();
}
protected DataSource getDataSource() {
return getDatabaseModule().getWrapper(databaseName).getDataSourceAndActivateTransactionIfNeeded();
}
protected DatabaseModule getDatabaseModule() {
return Unitils.getInstance().getModulesRepository().getModuleOfType(DatabaseModule.class);
}
protected HibernateModule getHibernateModule() {
return Unitils.getInstance().getModulesRepository().getModuleOfType(HibernateModule.class);
}
}