IbatisSessionFactory
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package com.cicro.wcm.db;
import java.io.IOException;
import java.io.Reader;
import java.sql.Connection;
import java.util.Properties;
import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.Configuration;
import org.apache.ibatis.session.ExecutorType;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
import org.apache.ibatis.session.TransactionIsolationLevel;
/**
*
* @author
*
*/
public class IbatisSessionFactory implements SqlSessionFactory {
private IbatisSessionFactory() {
}
/** 根据参数得到某个具体的iBatis数据源工厂实例 */
public synchronized static SqlSessionFactory getInstance() {
if (sqlSessionFactory == null) {
initSqlSessionFactory();
}
return sqlSessionFactory;
}
private static void initSqlSessionFactory() {
//final String msg = "[IbatisSessionFactory]: initSqlSessionFactory";
//logger.info(msg);
//System.out.println(msg);
String resource = "SqlMapConfig.xml";
Reader reader = null;
try {
reader = Resources.getResourceAsReader(resource);
SqlSessionFactoryBuilder builder = new SqlSessionFactoryBuilder();
sqlSessionFactory = builder.build(reader);
Properties customedConfig = sqlSessionFactory.getConfiguration().getVariables();
//logger.info("DB Config \n\n\n");
//logger.info(customedConfig);
System.out.println("DB Config \n\n\n");
System.out.println(customedConfig);
} catch (IOException e) {
System.out.println("创建iBATIS数据工厂时出现错误!");
e.printStackTrace();
}
}
// 真正“做事”的实例
private static SqlSessionFactory sqlSessionFactory = null;
public Configuration getConfiguration() {
return sqlSessionFactory.getConfiguration();
}
public SqlSession openSession() {
return sqlSessionFactory.openSession();
}
public SqlSession openSession(boolean arg0) {
return sqlSessionFactory.openSession(arg0);
}
public SqlSession openSession(Connection arg0) {
return sqlSessionFactory.openSession(arg0);
}
public SqlSession openSession(ExecutorType arg0) {
return sqlSessionFactory.openSession(arg0);
}
public SqlSession openSession(ExecutorType arg0, boolean arg1) {
return sqlSessionFactory.openSession(arg0, arg1);
}
public SqlSession openSession(ExecutorType arg0, Connection arg1) {
return sqlSessionFactory.openSession(arg0, arg1);
}
public SqlSession openSession(TransactionIsolationLevel arg0) {
return sqlSessionFactory.openSession(arg0);
}
public SqlSession openSession(ExecutorType arg0,
TransactionIsolationLevel arg1) {
return sqlSessionFactory.openSession(arg0, arg1);
}
}
import java.io.IOException;
import java.io.Reader;
import java.sql.Connection;
import java.util.Properties;
import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.Configuration;
import org.apache.ibatis.session.ExecutorType;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
import org.apache.ibatis.session.TransactionIsolationLevel;
/**
*
* @author
*
*/
public class IbatisSessionFactory implements SqlSessionFactory {
private IbatisSessionFactory() {
}
/** 根据参数得到某个具体的iBatis数据源工厂实例 */
public synchronized static SqlSessionFactory getInstance() {
if (sqlSessionFactory == null) {
initSqlSessionFactory();
}
return sqlSessionFactory;
}
private static void initSqlSessionFactory() {
//final String msg = "[IbatisSessionFactory]: initSqlSessionFactory";
//logger.info(msg);
//System.out.println(msg);
String resource = "SqlMapConfig.xml";
Reader reader = null;
try {
reader = Resources.getResourceAsReader(resource);
SqlSessionFactoryBuilder builder = new SqlSessionFactoryBuilder();
sqlSessionFactory = builder.build(reader);
Properties customedConfig = sqlSessionFactory.getConfiguration().getVariables();
//logger.info("DB Config \n\n\n");
//logger.info(customedConfig);
System.out.println("DB Config \n\n\n");
System.out.println(customedConfig);
} catch (IOException e) {
System.out.println("创建iBATIS数据工厂时出现错误!");
e.printStackTrace();
}
}
// 真正“做事”的实例
private static SqlSessionFactory sqlSessionFactory = null;
public Configuration getConfiguration() {
return sqlSessionFactory.getConfiguration();
}
public SqlSession openSession() {
return sqlSessionFactory.openSession();
}
public SqlSession openSession(boolean arg0) {
return sqlSessionFactory.openSession(arg0);
}
public SqlSession openSession(Connection arg0) {
return sqlSessionFactory.openSession(arg0);
}
public SqlSession openSession(ExecutorType arg0) {
return sqlSessionFactory.openSession(arg0);
}
public SqlSession openSession(ExecutorType arg0, boolean arg1) {
return sqlSessionFactory.openSession(arg0, arg1);
}
public SqlSession openSession(ExecutorType arg0, Connection arg1) {
return sqlSessionFactory.openSession(arg0, arg1);
}
public SqlSession openSession(TransactionIsolationLevel arg0) {
return sqlSessionFactory.openSession(arg0);
}
public SqlSession openSession(ExecutorType arg0,
TransactionIsolationLevel arg1) {
return sqlSessionFactory.openSession(arg0, arg1);
}
}
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