kodein-di/org.kodein.di/LazyDI

LazyDI

class LazyDI(f: () -> DI) : DI

DI object that defers all method to a DI object that will be created only upon first retrieval.

Constructors

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fun LazyDI(f: () -> DI)

Functions

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operator fun getValue(thisRef: Any?, property: KProperty<*>): LazyDI

Properties

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val baseDI: DI

The real DI object that will be created upon first retrieval (or manual access).

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open override val container: DIContainer

Every methods eventually ends up to a call to this container.

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open override val di: DI

A DI Aware class must be within reach of a DI object.

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open val diContext: DIContext<*>

A DI Aware class can define a context that is for all retrieval by overriding this property.

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open val diTrigger: DITrigger?

Trigger to use that define when the retrieval will be done.

Extensions

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inline fun <A : Any, T : Any> DIAware.allFactories(tag: Any? = null): LazyDelegate<List<(A) -> T>>

Gets all factories that match the the given argument type, return type and tag.

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inline fun <T : Any> DIAware.allInstances(tag: Any? = null): LazyDelegate<List<T>>

Gets all instances from providers that match the the given return type and tag.

inline fun <A : Any, T : Any> DIAware.allInstances(tag: Any? = null, arg: A): LazyDelegate<List<T>>
inline fun <A, T : Any> DIAware.allInstances(tag: Any? = null, arg: Typed<A>): LazyDelegate<List<T>>
inline fun <A : Any, T : Any> DIAware.allInstances(tag: Any? = null, noinline fArg: () -> A): LazyDelegate<List<T>>

Gets all instances from providers that match the the given return type and tag, curried from factories that take an argument A.

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inline fun <T : Any> DIAware.allProviders(tag: Any? = null): LazyDelegate<List<() -> T>>

Gets all providers that match the the given return type and tag.

inline fun <A : Any, T : Any> DIAware.allProviders(tag: Any? = null, arg: A): LazyDelegate<List<() -> T>>
inline fun <A, T : Any> DIAware.allProviders(tag: Any? = null, arg: Typed<A>): LazyDelegate<List<() -> T>>
inline fun <A : Any, T : Any> DIAware.allProviders(tag: Any? = null, noinline fArg: () -> A): LazyDelegate<List<() -> T>>

Gets all providers that match the the given return type and tag, curried from factories that take an argument A.

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inline fun <T : Any> DIAware.constant(): LazyDelegate<T>

Gets a constant of type T and tag whose tag is the name of the receiving property.

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val DIAware.direct: DirectDI

Return a direct DirectDI instance, with its receiver and context set to this DIAware receiver and context.

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inline fun <A : Any, T : Any> DIAware.factory(tag: Any? = null): LazyDelegate<(A) -> T>

Gets a factory of T for the given argument type, return type and tag.

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inline fun <A : Any, T : Any> DIAware.factoryOrNull(tag: Any? = null): LazyDelegate<(A) -> T?>

Gets a factory of T for the given argument type, return type and tag, or nul if none is found.

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inline fun <A : Any, T : Any> DI.hasFactory(tag: Any? = null): Boolean

Define whether a factory binding exists in the given DI container

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inline fun <T : Any> DI.hasProvider(tag: Any? = null): Boolean

Define whether a provider binding exists in the given DI container

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inline fun <T : Any> DIAware.instance(tag: Any? = null): LazyDelegate<T>

Gets an instance of T for the given type and tag.

inline fun <A : Any, T : Any> DIAware.instance(tag: Any? = null, arg: A): LazyDelegate<T>
inline fun <A, T : Any> DIAware.instance(tag: Any? = null, arg: Typed<A>): LazyDelegate<T>
inline fun <A : Any, T : Any> DIAware.instance(tag: Any? = null, noinline fArg: () -> A): LazyDelegate<T>

Gets an instance of T for the given type and tag, curried from a factory that takes an argument A.

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inline fun <T : Any> DIAware.instanceOrNull(tag: Any? = null): LazyDelegate<T?>

Gets an instance of T for the given type and tag, or null if none is found.

inline fun <A : Any, T : Any> DIAware.instanceOrNull(tag: Any? = null, arg: A): LazyDelegate<T?>
inline fun <A, T : Any> DIAware.instanceOrNull(tag: Any? = null, arg: Typed<A>): LazyDelegate<T?>
inline fun <A : Any, T : Any> DIAware.instanceOrNull(tag: Any? = null, noinline fArg: () -> A): LazyDelegate<T?>

Gets an instance of T for the given type and tag, curried from a factory that takes an argument A, or null if none is found.

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val DIAware.named: Named

Allows to get factories / providers / instances with a tag set to the name of the receiving property.

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fun <T> DIAware.newInstance(creator: DirectDI.() -> T): LazyDelegate<T>

Allows to create a new instance of an unbound object with the same API as when bounding one.

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inline fun <C : Any> DIAware.on(context: C, trigger: DITrigger? = this.diTrigger): DI
inline fun <C : Any> DIAware.on(trigger: DITrigger? = this.diTrigger, crossinline getContext: () -> C): DI

Allows to create a new DI object with a context and/or a trigger set.

fun DIAware.on(trigger: DITrigger?): DI

Allows to create a new DI object with a trigger set.

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inline fun <T : Any> DIAware.provider(tag: Any? = null): LazyDelegate<() -> T>

Gets a provider of T for the given type and tag.

inline fun <A : Any, T : Any> DIAware.provider(tag: Any? = null, arg: A): LazyDelegate<() -> T>
inline fun <A, T : Any> DIAware.provider(tag: Any? = null, arg: Typed<A>): LazyDelegate<() -> T>
inline fun <A : Any, T : Any> DIAware.provider(tag: Any? = null, noinline fArg: () -> A): LazyDelegate<() -> T>

Gets a provider of T for the given type and tag, curried from a factory that takes an argument A.

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inline fun <T : Any> DIAware.providerOrNull(tag: Any? = null): LazyDelegate<() -> T?>

Gets a provider of T for the given type and tag, or null if none is found.

inline fun <A : Any, T : Any> DIAware.providerOrNull(tag: Any? = null, arg: A): LazyDelegate<() -> T?>
inline fun <A, T : Any> DIAware.providerOrNull(tag: Any? = null, arg: Typed<A>): LazyDelegate<() -> T?>
inline fun <A : Any, T : Any> DIAware.providerOrNull(tag: Any? = null, noinline fArg: () -> A): LazyDelegate<() -> T?>

Gets a provider of T for the given type and tag, curried from a factory that takes an argument A, or null if none is found.