cn.crane4j.annotation

注释类型 AssembleMp

@Repeatable(value=AssembleMp.List.class)
 @Documented
 @Target(value={ANNOTATION_TYPE,FIELD,TYPE,METHOD})
 @Retention(value=RUNTIME)
public @interface AssembleMp

Declare an operation of assemble using the mybatis plus default interface method as the data source.

从以下版本开始:

1.2.0

作者:

huangchengxing

另请参阅:

cn.crane4j.core.parser.TypeHierarchyBeanOperationParser;, cn.crane4j.extension.mybatis.plus.AssembleMpAnnotationHandler;

必需元素概要

所需元素

限定符和类型	必需的元素和说明
String	mapper Bean name of mapper interface.

可选元素概要

可选元素

限定符和类型	可选元素和说明
String	datasource The data source to be used.
String[]	groups The group to which the current operation belongs.
String	handler The name of the handler to be used.
Class<?>	handlerType The type of the handler to be used.
String	id Operation id.
String	key key field name.
Class<?>	keyType The type to which the key value of target should be converted when fetching the data source from the data source.
MappingType	mappingType Mapping type of query result.
String	propertyMappingStrategy Get the name of property mapping strategy.
Mapping[]	props Attributes that need to be mapped between the data source object and the current object.
Class<?>[]	propTemplates Mapping template classes.
String[]	selects Fields to query, if it is empty, all table columns will be queried by default.
int	sort Sort values.
String	where Fields to query, if it is empty, all table columns will be queried by default.

元素详细资料

mapper

public abstract String mapper

Bean name of mapper interface.

返回:

bean name

where

public abstract String where

Fields to query, if it is empty, all table columns will be queried by default.

返回:

field names

默认值:

""

selects

public abstract String[] selects

Fields to query, if it is empty, all table columns will be queried by default.

返回:

field names

默认值:

{}

mappingType

public abstract MappingType mappingType

Mapping type of query result.

返回:

mapping type

默认值:

cn.crane4j.annotation.MappingType.ONE_TO_ONE

datasource

public abstract String datasource

The data source to be used.

返回:

data source

默认值:

""

id

public abstract String id

Operation id.

返回:

id

从以下版本开始:

2.6.0

默认值:

""

key

public abstract String key

key field name.
This field value will be used to obtain the associated data source object from the data source container later.

When the annotation is on:

• field of this class, it will be forced to specify the name of the annotated attribute, the key value is the field value of current object;
• this class, and specify key, equivalent to directly annotating on a specified field;
• this class, and key is empty, the key value is the current object itself.

返回:

key field name

默认值:

""

keyType

public abstract Class<?> keyType

The type to which the key value of target should be converted when fetching the data source from the data source.

For example, the data source obtained from the data source is grouped according to the key of the Long type, and the key value corresponding to the current operation is Integer, then the keyType needs to be Long at this time.
When the actual operation is performed, the key value is automatically converted from Integer to Long type.

返回:

key type

从以下版本开始:

2.2.0

默认值:

java.lang.Object.class

sort

public abstract int sort

Sort values. The lower the value, the higher the priority.

返回:

sort values

默认值:

2147483647

handler

public abstract String handler

The name of the handler to be used.

返回:

name

另请参阅:

cn.crane4j.core.executor.handler.AssembleOperationHandler;

默认值:

""

handlerType

public abstract Class<?> handlerType

The type of the handler to be used.

返回:

name

另请参阅:

cn.crane4j.core.executor.handler.AssembleOperationHandler;

默认值:

java.lang.Object.class

props

public abstract Mapping[] props

Attributes that need to be mapped between the data source object and the current object.

返回:

attributes

另请参阅:

propTemplates()

默认值:

{}

propTemplates

public abstract Class<?>[] propTemplates

Mapping template classes. specify a class, if MappingTemplate exists on the class, it will scan and add Mapping to props()。

返回:

mapping templates

默认值:

{}

groups

public abstract String[] groups

The group to which the current operation belongs.

返回:

groups

默认值:

{}

propertyMappingStrategy

public abstract String propertyMappingStrategy

Get the name of property mapping strategy.

返回:

strategy name

从以下版本开始:

2.1.0

另请参阅:

cn.crane4j.core.parser.handler.strategy.PropertyMappingStrategy

默认值:

""