net.ymate.platform.persistence.jdbc.base

Class AbstractResultSetHandler<T>

java.lang.Object

net.ymate.platform.persistence.jdbc.base.AbstractResultSetHandler<T>

Type Parameters:

T - 元素类型

All Implemented Interfaces:

IResultSetHandler<T>

Direct Known Subclasses:

ArrayResultSetHandler, BeanResultSetHandler, EntityResultSetHandler, MapResultSetHandler

public abstract class AbstractResultSetHandler<T>
extends Object
implements IResultSetHandler<T>

结果集数据处理接口抽象实现

Author:

刘镇 (suninformation@163.com) on 2011-9-22 下午04:14:15

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	AbstractResultSetHandler.ColumnMeta 字段描述对象

Field Summary

Fields inherited from interface net.ymate.platform.persistence.jdbc.base.IResultSetHandler

ARRAY, MAP

Constructor Summary

Constructors

Constructor and Description
AbstractResultSetHandler()

Method Summary

Modifier and Type	Method and Description
protected int	getColumnCount()
protected AbstractResultSetHandler.ColumnMeta	getColumnMeta(int idx)
List<T>	handle(ResultSet resultSet) 执行结果集处理过程
protected List<T>	processResult(ResultSet resultSet)
protected abstract T	processResultRow(ResultSet resultSet) 处理当前行结果集数据
protected Object	processValueRenderer(Field field, Object originValue)

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractResultSetHandler

public AbstractResultSetHandler()

Method Detail

handle

public List<T> handle(ResultSet resultSet)
               throws Exception

Description copied from interface: IResultSetHandler

执行结果集处理过程

Specified by:

handle in interface IResultSetHandler<T>

Parameters:

resultSet - 查询结果集

Returns:

返回查询结果，决不为NULL

Throws:

Exception - 可能产生的异常

processResult

protected List<T> processResult(ResultSet resultSet)
                         throws Exception

Throws:

Exception

processValueRenderer

protected Object processValueRenderer(Field field,
                                      Object originValue)

processResultRow

protected abstract T processResultRow(ResultSet resultSet)
                               throws Exception

处理当前行结果集数据

Parameters:

resultSet - 数据结果集对象，切勿对其进行游标移动等操作，仅约定用于提取当前行字段数据

Returns:

返回指定的T类型对象

Throws:

Exception - 可能产生的异常

getColumnCount

protected int getColumnCount()

getColumnMeta

protected AbstractResultSetHandler.ColumnMeta getColumnMeta(int idx)