dbtransaction.java

Enjoy Web Dev With Tapestry 一书的源代码

package com.ttdev.bank;

import java.sql.*;

public class DBTransaction implements SystemTransaction {
	private Connection conn;

	public DBTransaction(Connection conn) {
		this.conn = conn;
	}
	public void commit() {
		try {
			conn.commit();
			conn.close();
		} catch (SQLException e) {
			throw new RuntimeException(e);
		}
	}
	public void rollback() {
		try {
			conn.rollback();
			conn.close();
		} catch (SQLException e) {
			throw new RuntimeException(e);
		}
	}
	public Connection getConn() {
		return conn;
	}
}