Package top.tangyh.basic.database.mybatis.handlers

Class MybatisEnumTypeHandler<E extends Enum<E>>

java.lang.Object

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

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

top.tangyh.basic.database.mybatis.handlers.MybatisEnumTypeHandler<E>

Type Parameters:

E - 枚举类型

All Implemented Interfaces:

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

public class MybatisEnumTypeHandler<E extends Enum<E>>
extends org.apache.ibatis.type.BaseTypeHandler<E>

自定义枚举属性转换器

Since:

2017-10-11

Author:

hubin

Field Summary

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

configuration

Constructor Summary

Constructors

Constructor	Description
MybatisEnumTypeHandler(Class<E> enumClassType)

Method Summary

Modifier and Type	Method	Description
protected boolean	equalsValue(Object sourceValue, Object targetValue)	值比较
static Optional<String>	findEnumValueFieldName(Class<?> clazz)	查找标记标记EnumValue字段
E	getNullableResult(CallableStatement cs, int columnIndex)
E	getNullableResult(ResultSet rs, int columnIndex)
E	getNullableResult(ResultSet rs, String columnName)
static boolean	isMpEnums(Class<?> clazz)	判断是否为MP枚举处理
void	setNonNullParameter(PreparedStatement ps, int i, E parameter, org.apache.ibatis.type.JdbcType jdbcType)

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

getResult, getResult, getResult, setConfiguration, setParameter

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 Details

MybatisEnumTypeHandler

public MybatisEnumTypeHandler(Class<E> enumClassType)

Method Details

findEnumValueFieldName

public static Optional<String> findEnumValueFieldName(Class<?> clazz)

查找标记标记EnumValue字段

Parameters:

clazz - class

Returns:

EnumValue字段

Since:

3.3.1

isMpEnums

public static boolean isMpEnums(Class<?> clazz)

判断是否为MP枚举处理

Parameters:

clazz - class

Returns:

是否为MP枚举处理

Since:

3.3.1

setNonNullParameter

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

Specified by:

setNonNullParameter in class org.apache.ibatis.type.BaseTypeHandler<E extends Enum<E>>

Throws:

SQLException

getNullableResult

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

Specified by:

getNullableResult in class org.apache.ibatis.type.BaseTypeHandler<E extends Enum<E>>

Throws:

SQLException

getNullableResult

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

Specified by:

getNullableResult in class org.apache.ibatis.type.BaseTypeHandler<E extends Enum<E>>

Throws:

SQLException

getNullableResult

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

Specified by:

getNullableResult in class org.apache.ibatis.type.BaseTypeHandler<E extends Enum<E>>

Throws:

SQLException

equalsValue

protected boolean equalsValue(Object sourceValue,
 Object targetValue)

值比较

Parameters:

sourceValue - 数据库字段值

targetValue - 当前枚举属性值

Returns:

是否匹配

Since:

3.3.0