queryrunner.java

来自「这是学习java与设计模式一书时所必备的源代码。只有这样才能更加深刻的理解编程的」· Java 代码 · 共 28 行

package com.javapatterns.factorymethod.query;

import java.sql.Connection;
import java.sql.ResultSet;

abstract public class QueryRunner
{
    public ResultSet run() throws Exception
    {
        Connection conn = createConnection();

        String sql = createSql();

		return runSql(conn, sql);
    }

    protected abstract Connection createConnection();

    protected abstract String createSql();

    protected abstract ResultSet runSql(Connection conn, String sql)
        throws Exception;

    /** @link dependency 
     * @label Creates*/
    /*# ResultSet lnkResultSet; */
}