sf.database.jdbc.type

Class ReaderBINARYType

java.lang.Object

sf.database.jdbc.type.ReaderBINARYType

All Implemented Interfaces:

TypeHandler<Reader>

public class ReaderBINARYType
extends Object
implements TypeHandler<Reader>

Constructor Summary

Constructors

Constructor and Description
ReaderBINARYType()

Method Summary

Modifier and Type	Method and Description
Reader	get(CallableStatement rs, int index)
Reader	get(CallableStatement cs, String columnName)
Reader	get(ResultSet rs, int index) 从结果集里获取一个字段的值
Reader	get(ResultSet rs, String colName) 从结果集里获取一个字段的值
Class<Reader>	getDefaultJavaType() 类型
int	getSqlType() java.sql.Types的值
Object	set(CallableStatement cs, Object obj, String parameterName)
Object	set(PreparedStatement stat, Object obj, int index) 为缓冲语句设置值
void	update(ResultSet rs, int columnIndex, Object value)
void	update(ResultSet rs, String columnName, Object value) 为了支持悲观锁中的数据类型转换

Methods inherited from class java.lang.Object

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

Methods inherited from interface sf.database.jdbc.type.TypeHandler

getSqlExpression, setColumnMapping, setDefaultJavaType, setSqlType

Constructor Detail

ReaderBINARYType

public ReaderBINARYType()

Method Detail

get

public Reader get(ResultSet rs,
                  String colName)
           throws SQLException

Description copied from interface: TypeHandler

从结果集里获取一个字段的值

Specified by:

get in interface TypeHandler<Reader>

Parameters:

rs - 结果集

colName - 列名

Returns:

字段值

Throws:

SQLException

get

public Reader get(ResultSet rs,
                  int index)
           throws SQLException

Description copied from interface: TypeHandler

从结果集里获取一个字段的值

Specified by:

get in interface TypeHandler<Reader>

Parameters:

rs - 结果集

index - 索引

Returns:

字段值

Throws:

SQLException

get

public Reader get(CallableStatement cs,
                  String columnName)
           throws SQLException

Specified by:

get in interface TypeHandler<Reader>

Throws:

SQLException

get

public Reader get(CallableStatement rs,
                  int index)
           throws SQLException

Specified by:

get in interface TypeHandler<Reader>

Throws:

SQLException

set

public Object set(PreparedStatement stat,
                  Object obj,
                  int index)
           throws SQLException

Description copied from interface: TypeHandler

为缓冲语句设置值

一个值可以被设置到多个占位符中

Specified by:

set in interface TypeHandler<Reader>

Parameters:

stat - 缓冲语句

obj - 值

index - 占位符位置，从 1 开始

Returns:

实际被设置到Statement中的值。
许多数据类型在设置到JDBC Statement中时需要转换类型，例如java.util.Date需要转换为java.sql.Date。

Throws:

SQLException

set

public Object set(CallableStatement cs,
                  Object obj,
                  String parameterName)
           throws SQLException

Specified by:

set in interface TypeHandler<Reader>

Throws:

SQLException

update

public void update(ResultSet rs,
                   String columnName,
                   Object value)
            throws SQLException

Description copied from interface: TypeHandler

为了支持悲观锁中的数据类型转换

Specified by:

update in interface TypeHandler<Reader>

Throws:

SQLException

update

public void update(ResultSet rs,
                   int columnIndex,
                   Object value)
            throws SQLException

Specified by:

update in interface TypeHandler<Reader>

Throws:

SQLException

getSqlType

public int getSqlType()

Description copied from interface: TypeHandler

java.sql.Types的值

Specified by:

getSqlType in interface TypeHandler<Reader>

Returns:

getDefaultJavaType

public Class<Reader> getDefaultJavaType()

Description copied from interface: TypeHandler

类型

Specified by:

getDefaultJavaType in interface TypeHandler<Reader>

Returns: