Package akka.actor.typed
Interface Extensions
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- All Known Subinterfaces:
ExtensionsImpl
- All Known Implementing Classes:
ActorSystem
,ActorSystemAdapter
,ActorSystemStub
public interface Extensions
Registers the provided extension and creates its payload, if this extension isn't already registered This method has putIfAbsent-semantics, this method can potentially block, waiting for the initialization of the payload, if is in the process of registration from another Thread of execution
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description <T extends Extension>
Textension(ExtensionId<T> ext)
Returns the payload that is associated with the provided extension throws an IllegalStateException if it is not registered.boolean
hasExtension(ExtensionId<? extends Extension> ext)
Returns whether the specified extension is already registered, this method can potentially block, waiting for the initialization of the payload, if is in the process of registration from another Thread of execution<T extends Extension>
TregisterExtension(ExtensionId<T> ext)
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Method Detail
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extension
<T extends Extension> T extension(ExtensionId<T> ext)
Returns the payload that is associated with the provided extension throws an IllegalStateException if it is not registered. This method can potentially block, waiting for the initialization of the payload, if is in the process of registration from another Thread of execution- Parameters:
ext
- (undocumented)- Returns:
- (undocumented)
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hasExtension
boolean hasExtension(ExtensionId<? extends Extension> ext)
Returns whether the specified extension is already registered, this method can potentially block, waiting for the initialization of the payload, if is in the process of registration from another Thread of execution- Parameters:
ext
- (undocumented)- Returns:
- (undocumented)
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registerExtension
<T extends Extension> T registerExtension(ExtensionId<T> ext)
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