IEventListener class

An interface for listener objects that receive notifications on fired events.

See IEvent See Event

Example

class MyListener implements IEventListener {
     void _onEvent(String correlationId, IEvent event, Parameters args ) {
        print("Fired event " + event.getName());
    }
}

var event = new Event("myevent");
event.addListener(new MyListener());
event.notify("123", Parameters.fromTuples(["param1", "ABC"]));

// Console output: Fired event myevent

Constructors

IEventListener()

Properties

hashCode → int
The hash code for this object. [...]
read-only, inherited
runtimeType → Type
A representation of the runtime type of the object.
read-only, inherited

Methods

onEvent(String correlationId, IEvent event, Parameters args) → void
  • A method called when events this listener is subscrubed to are fired.
      • event a fired evemt
      • correlationId (optional) transaction id to trace execution through call chain.
      • args event arguments.
  • noSuchMethod(Invocation invocation) → dynamic
    Invoked when a non-existent method or property is accessed. [...]
    inherited
    toString() → String
    Returns a string representation of this object.
    inherited

    Operators

    operator ==(dynamic other) → bool
    The equality operator. [...]
    inherited