kodein-di/org.kodein.di.bindings/Singleton

Singleton

class Singleton<C : Any, T : Any>(scope: Scope<C>, contextType: TypeToken<in C>, explicitContext: Boolean, createdType: TypeToken<out T>, refMaker: RefMaker?, sync: Boolean, creator: NoArgBindingDI<C>.() -> T) : NoArgDIBinding<C, T>

Singleton Binding: will create an instance on first request and will subsequently always return the same instance.

Parameters

The created type.

createdType

The type of the created object, used for debug print only.

creator

The function that will be called the first time an instance is requested. Guaranteed to be called only once. Should create a new instance.

Constructors

Singleton

fun <C : Any, T : Any> Singleton(scope: Scope<C>, contextType: TypeToken<in C>, explicitContext: Boolean, createdType: TypeToken<out T>, refMaker: RefMaker? = null, sync: Boolean = true, creator: NoArgBindingDI<C>.() -> T)

Functions

factoryFullName

open override fun factoryFullName(): String

The full(er) name of this factory, used for debug print only.

factoryName

open override fun factoryName(): String

The name of this factory, used for debug print only.

getFactory

open override fun getFactory(key: DI.Key<C, Unit, T>, di: BindingDI<C>): (Unit) -> T

Properties

argType

open override val argType: TypeToken<Unit>

The type of the argument this factory will function for.

contextType

open override val contextType: TypeToken<in C>

The type of contexts that are to be set when using this factory.

copier

open override val copier: DIBinding.Copier<C, Unit, T>

A copier that is responsible for copying / resetting the binding. If null, it means that the binding do not hold any reference or status and need not be copied.

createdType