Package org.miaixz.bus.mapper.builder

Class MapperTemplate

java.lang.Object

org.miaixz.bus.mapper.builder.MapperTemplate

Direct Known Subclasses:

AggregationProvider, BasicDeleteProvider, BasicInsertProvider, BasicSelectProvider, BasicUpdateProvider, BatchUpdateProvider, BatchUpsertProvider, ConditionProvider, DeletePropertyProvider, EmptyProvider, IdListProvider, IdsProvider, InsertListProvider, OracleProvider, SaveProvider, SelectPropertyProvider, SpecialProvider, SqlServerProvider, UpdateByDifferProvider, UpdateByPrimaryKeySelectiveForceProvider, UpsertProvider

public abstract class MapperTemplate
extends Object

通用Mapper模板类，扩展通用Mapper时需要继承该类

Since:

Java 17+

Author:

Kimi Liu

Field Summary

Fields

Modifier and Type	Field	Description
protected Map<String,Class<?>>	entityClassMap
protected MapperBuilder	mapperBuilder
protected Class<?>	mapperClass
protected Map<String,Method>	methodMap

Constructor Summary

Constructors

Constructor	Description
MapperTemplate(Class<?> mapperClass, MapperBuilder mapperBuilder)

Method Summary

Modifier and Type	Method	Description
void	addMethodMap(String methodName, Method method)	添加映射方法
org.apache.ibatis.mapping.SqlSource	createSqlSource(org.apache.ibatis.mapping.MappedStatement ms, String xmlSql)	通过xmlSql创建sqlSource
String	dynamicSQL(Object record)	该方法仅仅用来初始化ProviderSqlSource
Property	getConfig()
Class<?>	getEntityClass(org.apache.ibatis.mapping.MappedStatement ms)	获取返回值类型 - 实体类型
String	getIDENTITY()
String	getIDENTITY(EntityColumn column)	获取IDENTITY值的表达式
boolean	isBEFORE()
boolean	isCheckConditionEntityClass()
boolean	isNotEmpty()
protected void	setResultType(org.apache.ibatis.mapping.MappedStatement ms, Class<?> entityClass)	设置返回值类型 - 为了让typeHandler在select时有效，改为设置resultMap
void	setSqlSource(org.apache.ibatis.mapping.MappedStatement ms)	重新设置SqlSource
protected void	setSqlSource(org.apache.ibatis.mapping.MappedStatement ms, org.apache.ibatis.mapping.SqlSource sqlSource)	重新设置SqlSource
boolean	supportMethod(String msId)	是否支持该通用方法
protected String	tableName(Class<?> entityClass)	获取实体类的表名

Methods inherited from class java.lang.Object

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

Field Details

methodMap

protected Map<String,Method> methodMap

entityClassMap

protected Map<String,Class<?>> entityClassMap

mapperClass

protected Class<?> mapperClass

mapperBuilder

protected MapperBuilder mapperBuilder

Constructor Details

MapperTemplate

public MapperTemplate(Class<?> mapperClass,
 MapperBuilder mapperBuilder)

Method Details

dynamicSQL

public String dynamicSQL(Object record)

该方法仅仅用来初始化ProviderSqlSource

Parameters:

record - 记录值

Returns:

the string

addMethodMap

public void addMethodMap(String methodName,
 Method method)

添加映射方法

Parameters:

methodName - 方法名

method - 方法

getIDENTITY

public String getIDENTITY(EntityColumn column)

获取IDENTITY值的表达式

Parameters:

column - 列

Returns:

the string

supportMethod

public boolean supportMethod(String msId)

是否支持该通用方法

Parameters:

msId - 方法

Returns:

the boolean

setResultType

protected void setResultType(org.apache.ibatis.mapping.MappedStatement ms,
 Class<?> entityClass)

设置返回值类型 - 为了让typeHandler在select时有效，改为设置resultMap

Parameters:

ms - MappedStatement

entityClass - 实体Class对象

setSqlSource

protected void setSqlSource(org.apache.ibatis.mapping.MappedStatement ms,
 org.apache.ibatis.mapping.SqlSource sqlSource)

重新设置SqlSource

Parameters:

ms - MappedStatement

sqlSource - sql

createSqlSource

public org.apache.ibatis.mapping.SqlSource createSqlSource(org.apache.ibatis.mapping.MappedStatement ms,
 String xmlSql)

通过xmlSql创建sqlSource

Parameters:

ms - MappedStatement

xmlSql - XM信息

Returns:

the object

getEntityClass

public Class<?> getEntityClass(org.apache.ibatis.mapping.MappedStatement ms)

获取返回值类型 - 实体类型

Parameters:

ms - MappedStatement

Returns:

the class

tableName

protected String tableName(Class<?> entityClass)

获取实体类的表名

Parameters:

entityClass - 实体Class对象

Returns:

the string

getConfig

public Property getConfig()

getIDENTITY

public String getIDENTITY()

isBEFORE

public boolean isBEFORE()

isCheckConditionEntityClass

public boolean isCheckConditionEntityClass()

isNotEmpty

public boolean isNotEmpty()

setSqlSource

public void setSqlSource(org.apache.ibatis.mapping.MappedStatement ms)

重新设置SqlSource

Parameters:

ms - MappedStatement