com.github.lynzabo.common

Class UserTypeHandler

java.lang.Object

org.apache.ibatis.type.TypeReference<T>

org.apache.ibatis.type.BaseTypeHandler<Long>

com.github.lynzabo.common.UserTypeHandler

All Implemented Interfaces:

org.apache.ibatis.type.TypeHandler<Long>

public class UserTypeHandler
extends org.apache.ibatis.type.BaseTypeHandler<Long>

自动赋、获取用户名类型转换器
定义MyBatis mapping文件时使用typeHandler为UserTypeHandler，自动填充用户名进去
当用户定义typeHandler为UserTypeHandler时候，如果代码中手动赋值，则不替换，如果没有手动赋值， 该UserTypeHandler会自动赋默认值

Since:

2016年7月18日, 上午16:18:14 .

Version:

1.0 .

Author:

linzhanbo

Field Summary

Fields inherited from class org.apache.ibatis.type.BaseTypeHandler

configuration

Constructor Summary

Constructors

Constructor and Description
UserTypeHandler()
UserTypeHandler(Class<Long> type) 在构造方法中预存当前枚举类所有枚举项

Method Summary

Modifier and Type	Method and Description
Long	getNullableResult(CallableStatement cs, int columnIndex)
Long	getNullableResult(ResultSet rs, int columnIndex)
Long	getNullableResult(ResultSet rs, String columnName)
String	getUserLoginName(Long userId) 使用用户ID获取用户登录名
void	setNonNullParameter(PreparedStatement ps, int i, Long parameter, org.apache.ibatis.type.JdbcType jdbcType) 默认当值不为空时进 赋值
void	setParameter(PreparedStatement ps, int i, Long parameter, org.apache.ibatis.type.JdbcType jdbcType) 默认为空时进 赋值

Methods inherited from class org.apache.ibatis.type.BaseTypeHandler

getResult, getResult, getResult, setConfiguration

Methods inherited from class org.apache.ibatis.type.TypeReference

getRawType, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

UserTypeHandler

public UserTypeHandler()

UserTypeHandler

public UserTypeHandler(Class<Long> type)

在构造方法中预存当前枚举类所有枚举项

Parameters:

type - 配置文件中设置的转换类

Method Detail

setParameter

public void setParameter(PreparedStatement ps,
                         int i,
                         Long parameter,
                         org.apache.ibatis.type.JdbcType jdbcType)
                  throws SQLException

默认为空时进 赋值

Specified by:

setParameter in interface org.apache.ibatis.type.TypeHandler<Long>

Overrides:

setParameter in class org.apache.ibatis.type.BaseTypeHandler<Long>

Throws:

SQLException

setNonNullParameter

public void setNonNullParameter(PreparedStatement ps,
                                int i,
                                Long parameter,
                                org.apache.ibatis.type.JdbcType jdbcType)
                         throws SQLException

默认当值不为空时进 赋值

Specified by:

setNonNullParameter in class org.apache.ibatis.type.BaseTypeHandler<Long>

Throws:

SQLException

getNullableResult

public Long getNullableResult(ResultSet rs,
                              String columnName)
                       throws SQLException

Specified by:

getNullableResult in class org.apache.ibatis.type.BaseTypeHandler<Long>

Throws:

SQLException

getNullableResult

public Long getNullableResult(ResultSet rs,
                              int columnIndex)
                       throws SQLException

Specified by:

getNullableResult in class org.apache.ibatis.type.BaseTypeHandler<Long>

Throws:

SQLException

getNullableResult

public Long getNullableResult(CallableStatement cs,
                              int columnIndex)
                       throws SQLException

Specified by:

getNullableResult in class org.apache.ibatis.type.BaseTypeHandler<Long>

Throws:

SQLException

getUserLoginName

public String getUserLoginName(Long userId)

使用用户ID获取用户登录名

Parameters:

userId -

Returns: