net.hasor.db.jdbc.RowMapper Maven / Gradle / Ivy
/*
* Copyright 2002-2007 the original author or authors.
*
* 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 net.hasor.db.jdbc;
import java.sql.ResultSet;
import java.sql.SQLException;
/**
* 这个接口用来映射 JDBC 结果集中一行数据。
* @version : 2013-10-9
* @author Thomas Risberg
* @author Juergen Hoeller
* @author 赵永春 ([email protected])
*/
@FunctionalInterface
public interface RowMapper {
/**
* 实现这个方法为结果集的一行记录进行转换，并将最终转换结果返回。如果返回为 null 等同于忽略该行。
* 需要注意，不要调用结果集的 next() 方法。
* @param rs 记录集
* @param rowNum 当前记录的行号
*/
public T mapRow(ResultSet rs, int rowNum) throws SQLException;
}