程序包 org.springframework.boot

接口 BootstrapRegistry.InstanceSupplier<T>

类型参数:

T - the instance type

封闭接口:

BootstrapRegistry

函数接口:

这是一个函数接口, 因此可用作 lambda 表达式或方法引用的赋值目标。

@FunctionalInterface
public static interface BootstrapRegistry.InstanceSupplier<T>

Supplier used to provide the actual instance when needed.

另请参阅:

• BootstrapRegistry.Scope

方法概要

修饰符和类型	方法	说明
static <T> BootstrapRegistry.InstanceSupplier<T>	from(Supplier<T> supplier)	Factory method that can be used to create an BootstrapRegistry.InstanceSupplier from a Supplier.
T	get(BootstrapContext context)	Factory method used to create the instance when needed.
default BootstrapRegistry.Scope	getScope()	Return the scope of the supplied instance.
static <T> BootstrapRegistry.InstanceSupplier<T>	of(T instance)	Factory method that can be used to create an BootstrapRegistry.InstanceSupplier for a given instance.
default BootstrapRegistry.InstanceSupplier<T>	withScope(BootstrapRegistry.Scope scope)	Return a new BootstrapRegistry.InstanceSupplier with an updated BootstrapRegistry.Scope.

方法详细资料

get

T get(BootstrapContext context)

Factory method used to create the instance when needed.

参数:

context - the BootstrapContext which may be used to obtain other bootstrap instances.

返回:

the instance

getScope

default BootstrapRegistry.Scope getScope()

Return the scope of the supplied instance.

返回:

the scope

从以下版本开始:

2.4.2

withScope

default BootstrapRegistry.InstanceSupplier<T> withScope(BootstrapRegistry.Scope scope)

Return a new BootstrapRegistry.InstanceSupplier with an updated BootstrapRegistry.Scope.

参数:

scope - the new scope

返回:

a new BootstrapRegistry.InstanceSupplier instance with the new scope

从以下版本开始:

2.4.2

of

static <T> BootstrapRegistry.InstanceSupplier<T> of(T instance)

Factory method that can be used to create an BootstrapRegistry.InstanceSupplier for a given instance.

类型参数:

T - the instance type

参数:

instance - the instance

返回:

a new BootstrapRegistry.InstanceSupplier

from

static <T> BootstrapRegistry.InstanceSupplier<T> from(Supplier<T> supplier)

Factory method that can be used to create an BootstrapRegistry.InstanceSupplier from a Supplier.

类型参数:

T - the instance type

参数:

supplier - the supplier that will provide the instance

返回:

a new BootstrapRegistry.InstanceSupplier