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/*-
* ================================================================================
* ECOMP Portal SDK
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property
* ================================================================================
* 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.openecomp.portalsdk.core.conf;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import javax.sql.DataSource;
import org.hibernate.SessionFactory;
import org.openecomp.portalsdk.core.logging.format.AlarmSeverityEnum;
import org.openecomp.portalsdk.core.logging.logic.EELFLoggerDelegate;
import org.openecomp.portalsdk.core.util.SystemProperties;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.orm.hibernate4.HibernateTransactionManager;
import org.springframework.orm.hibernate4.LocalSessionFactoryBean;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import com.mchange.v2.c3p0.ComboPooledDataSource;
@Configuration
@EnableTransactionManagement
public class HibernateConfiguration {
private EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(HibernateConfiguration.class);
@Autowired
private HibernateMappingLocatable hbMappingLocatable;
@Autowired
private DataSource dataSource;
@Bean
public LocalSessionFactoryBean sessionFactory() {
LocalSessionFactoryBean sessionFactory = new LocalSessionFactoryBean();
sessionFactory.setDataSource(dataSource);
sessionFactory.setPackagesToScan(hbMappingLocatable.getPackagesToScan());
sessionFactory.setHibernateProperties(getHibernateProperties());
sessionFactory.setMappingLocations(hbMappingLocatable.getMappingLocations());
return sessionFactory;
}
/**
* Builds a properties object with Hibernate properties in te system.properties file.
*
* @return Properties object
*/
private Properties getHibernateProperties() {
Properties properties = new Properties();
properties.put("hibernate.dialect", SystemProperties.getProperty(SystemProperties.HB_DIALECT));
properties.put("hibernate.show_sql", SystemProperties.getProperty(SystemProperties.HB_SHOW_SQL));
return properties;
}
@SuppressWarnings("rawtypes")
@Bean
public Map dataSourceMap() throws Exception {
Connection conn = null;
Statement stmt = null;
Map<String, ComboPooledDataSource> dataSourceMap = new HashMap<String, ComboPooledDataSource>();
try {
conn = dataSource.getConnection();
stmt = conn.createStatement();
String sql;
sql = "SELECT schema_id,datasource_type,connection_url,user_name,password,driver_class,min_pool_size,max_pool_size,idle_connection_test_period FROM schema_info";
ResultSet rs = stmt.executeQuery(sql);
while (rs.next()) {
ComboPooledDataSource dataSource = new ComboPooledDataSource();
dataSource.setDriverClass(rs.getString("driver_class"));
dataSource.setJdbcUrl(rs.getString("connection_url"));
dataSource.setUser(rs.getString("user_name"));
dataSource.setPassword(rs.getString("password"));
dataSource.setMinPoolSize(rs.getInt("min_pool_size"));
dataSource.setMaxPoolSize(rs.getInt("max_pool_size"));
dataSource.setIdleConnectionTestPeriod(rs.getInt("idle_connection_test_period"));
dataSourceMap.put(rs.getString("schema_id"), dataSource);
}
rs.close();
stmt.close();
conn.close();
} catch (Exception e) {
logger.error(EELFLoggerDelegate.errorLogger,
"Error initializing database, verify database settings in properties file: " + e.getMessage(),
AlarmSeverityEnum.CRITICAL);
e.printStackTrace();
dataSourceMap = null;
throw e;
} finally {
try {
if (stmt != null)
stmt.close();
} catch (SQLException se2) {
}
try {
if (conn != null)
conn.close();
} catch (SQLException se) {
se.printStackTrace();
}
}
return dataSourceMap;
}
@Bean
@Autowired
public HibernateTransactionManager transactionManager(SessionFactory s) {
HibernateTransactionManager txManager = new HibernateTransactionManager();
txManager.setSessionFactory(s);
return txManager;
}
}
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