class Athena::EventDispatcher::EventDispatcher

• Athena::EventDispatcher::EventDispatcher
• Reference
• Object

Overview

Default implementation of AED::EventDispatcherInterface.

Included Modules

• Athena::EventDispatcher::EventDispatcherInterface

Direct Known Subclasses

• Athena::EventDispatcher::Spec::TracableEventDispatcher

Defined in:

event_dispatcher.cr

Instance Method Summary

• #dispatch(event : AED::Event) : AED::Event

  Dispatches the provided event to all listeners listening on that event.

• #has_listeners?(event_class : AED::Event.class) : Bool

  Returns true if this dispatcher has any listeners on the provided event_class.

• #has_listeners? : Bool

  Returns true if there are any listeners on any event.

• #listener(callable : AED::Callable) : AED::Callable

  Registers the provided callable listener to this dispatcher.

• #listener(listener : T) : Nil forall T

  Registers the provided listener instance to this dispatcher.

• #listener(callable : AED::Callable, *, priority : Int32) : AED::Callable

  Registers the provided callable listener to this dispatcher, overriding its priority with that of the provided priority.

• #listener(event_class : E.class, *, priority : Int32 = 0, name : String | Nil = nil, &block : E, AED::EventDispatcherInterface -> Nil) : AED::Callable forall E

  Registers the block as an AED::Callable on the provided event_class, optionally with the provided priority and/or name.

• #listeners(for event_class : AED::Event.class) : Array(AED::Callable)

  Returns an Array(AED::Callable) for all listeners on the provided event_class.

• #listeners : Hash(AED::Event.class, Array(AED::Callable))

  Returns a hash of all registered listeners as a Hash(AED::Event.class, Array(AED::Callable)).

• #remove_listener(callable : AED::Callable) : Nil

  Deregisters the provided callable from this dispatcher.

• #remove_listener(listener : T) : Nil forall T

  Deregisters listeners based on the provided listener from this dispatcher.

Instance Method Detail