Class DoubleColumnMapper

java.lang.Object

org.huiche.jdbc.mapper.column.basic.DoubleColumnMapper

All Implemented Interfaces:

ColumnMapper<Double>

public final class DoubleColumnMapper
extends Object
implements ColumnMapper<Double>

Double 列转换器

Author:

Maning

Constructor Summary

Constructors

Constructor	Description
DoubleColumnMapper()	默认构造

Method Summary

Modifier and Type	Method	Description
Double	read(ResultSet rs, int columnIndex, Type type, Configuration configuration)	从ResultSet读取值,请确保安全或已使用ColumnMapper.canRead(Type, Configuration) 测试
boolean	write(PreparedStatement ps, int parameterIndex, Double value, Configuration configuration)	写入值到PreparedStatement

Methods inherited from class Object

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

Methods inherited from interface ColumnMapper

canRead

Constructor Details

DoubleColumnMapper

public DoubleColumnMapper()

默认构造

Method Details

read

public Double read(ResultSet rs,
 int columnIndex,
 Type type,
 Configuration configuration)
            throws SQLException

Description copied from interface: ColumnMapper

从ResultSet读取值,请确保安全或已使用ColumnMapper.canRead(Type, Configuration) 测试

Specified by:

read in interface ColumnMapper<Double>

Parameters:

rs - 结果集

columnIndex - rs使用的columnIndex, 从1开始

type - 类型

configuration - 配置

Returns:

值 允许返回null

Throws:

SQLException - 原生SQL异常

write

public boolean write(PreparedStatement ps,
 int parameterIndex,
 Double value,
 Configuration configuration)
              throws SQLException

Description copied from interface: ColumnMapper

写入值到PreparedStatement

Specified by:

write in interface ColumnMapper<Double>

Parameters:

ps - PreparedStatement

parameterIndex - ps使用的parameterIndex,从1开始

value - 值,不会为null

configuration - 配置

Returns:

是否已写入

Throws:

SQLException - 原生SQL异常