net.hasor.db.jdbc.mapper

类 SingleColumnRowMapper<T>

java.lang.Object

net.hasor.db.jdbc.mapper.AbstractRowMapper<T>

net.hasor.db.jdbc.mapper.SingleColumnRowMapper<T>

所有已实现的接口:

RowMapper<T>

public class SingleColumnRowMapper<T>
extends AbstractRowMapper<T>

版本:

: 2014年5月23日

作者:

赵永春 (zyc@byshell.org)

构造器概要

构造器

构造器和说明
SingleColumnRowMapper() Create a new SingleColumnRowMapper.
SingleColumnRowMapper(Class<T> requiredType) Create a new SingleColumnRowMapper.

方法概要

方法

限定符和类型	方法和说明
T	mapRow(ResultSet rs, int rowNum) 将当前行的第一列的值转换为指定的类型。
void	setRequiredType(Class<T> requiredType) Set the type that each result object is expected to match.

从类继承的方法 net.hasor.db.jdbc.mapper.AbstractRowMapper

convertValueToRequiredType, getResultSetValue

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

SingleColumnRowMapper

public SingleColumnRowMapper()

Create a new SingleColumnRowMapper.

SingleColumnRowMapper

public SingleColumnRowMapper(Class<T> requiredType)

Create a new SingleColumnRowMapper.

参数:

requiredType - the type that each result object is expected to match

方法详细资料

setRequiredType

public void setRequiredType(Class<T> requiredType)

Set the type that each result object is expected to match.

If not specified, the column value will be exposed as returned by the JDBC driver.

mapRow

public T mapRow(ResultSet rs,
       int rowNum)
         throws SQLException

将当前行的第一列的值转换为指定的类型。

参数:

rs - 记录集

rowNum - 当前记录的行号

抛出:

SQLException