程序包 org.babyfish.jimmer.sql.fetcher

接口 Fetcher<E>

所有已知子接口:

FetcherImplementor<E>

所有已知实现类:

AbstractTypedFetcher, FetcherImpl

public interface Fetcher<E>

方法概要

修饰符和类型	方法	说明
Fetcher<E>	add(String prop)	Fetch a property without child fetcher, for associated property, that means fetch id-only object
Fetcher<E>	add(String prop, Fetcher<?> childFetcher)	Fetch a property with child fetcher, error will be raised if the specified property is not association
Fetcher<E>	add(String prop, Fetcher<?> childFetcher, Consumer<? extends FieldConfig<?,? extends Table<?>>> loaderBlock)	Fetch a property with child fetcher and more configuration, error will be raised if the specified property is not association
Fetcher<E>	add(String prop, IdOnlyFetchType referenceType)	Fetch association directly based on foreign key, the associated object has only id property
Fetcher<E>	allScalarFields()
Fetcher<E>	allTableFields()	allScalars + allForeignKeys
Map<String,Field>	getFieldMap()
org.babyfish.jimmer.meta.ImmutableType	getImmutableType()
Class<E>	getJavaClass()
Fetcher<E>	remove(String prop)	Unfetch a property
String	toString(boolean multiLine)

方法详细资料

getJavaClass

Class<E> getJavaClass()

getImmutableType

org.babyfish.jimmer.meta.ImmutableType getImmutableType()

getFieldMap

Map<String,Field> getFieldMap()

allScalarFields

@NewChain
Fetcher<E> allScalarFields()

allTableFields

@NewChain
Fetcher<E> allTableFields()

allScalars + allForeignKeys

返回:

A new fetcher

add

@NewChain
Fetcher<E> add(String prop)

Fetch a property without child fetcher, for associated property, that means fetch id-only object

参数:

prop - Propery name

返回:

A new fetcher

add

@NewChain
Fetcher<E> add(String prop,
 Fetcher<?> childFetcher)

Fetch a property with child fetcher, error will be raised if the specified property is not association

参数:

prop - Property name

childFetcher - Deeper child fetcher for associated objects

返回:

A new fetcher

add

@NewChain
Fetcher<E> add(String prop,
 Fetcher<?> childFetcher,
 Consumer<? extends FieldConfig<?,? extends Table<?>>> loaderBlock)

Fetch a property with child fetcher and more configuration, error will be raised if the specified property is not association

参数:

prop - Property name

childFetcher - Deeper child fetcher for associated objects

loaderBlock - An optional lambda expression that lets the user set more configurations

返回:

A new fetcher

add

@NewChain
Fetcher<E> add(String prop,
 IdOnlyFetchType referenceType)

Fetch association directly based on foreign key, the associated object has only id property

参数:

prop - Property name

referenceType - Reference type which has 2 choices

• DEFAULT: The associated will filtered by global filters(include built-lt logical deleted filter)
• RAW: Raw value of foreign key

If the property is not an association directly based on foreign key, this argument will be ignored

返回:

A new fetcher

remove

@NewChain
Fetcher<E> remove(String prop)

Unfetch a property

参数:

prop - Property name

返回:

A new fetcher

toString

String toString(boolean multiLine)