ZTSignal

The number of times the ZTSignal has fired.

Whether or not the ZTSignal should retain a reference to the last data it was fired with. Defaults to false.

The last data that the ZTSignal was fired with. In order for the ZTSignal to retain the last fired data, its retainLastFired-property needs to be set to true

All the observers of to the ZTSignal.

Initializer.

Subscribes an observer to the ZTSignal.

Subscribes an observer to the ZTSignal. The subscription is automatically canceled after the ZTSignal has fired once.

Subscribes an observer to the ZTSignal and invokes its callback immediately with the last data fired by the ZTSignal if it has fired at least once and if the retainLastData property has been set to true.

Subscribes an observer to the ZTSignal and invokes its callback immediately with the last data fired by the ZTSignal if it has fired at least once and if the retainLastData property has been set to true. If it has not been fired yet, it will continue listening until it fires for the first time.

Fires the Singal.

Cancels all subscriptions for an observer.

Cancels all subscriptions for the ZTSignal.

Clears the last fired data from the ZTSignal and resets the fire count.