trigger method
void
trigger()
inherited
Trigger a "data updated" event. All registered listeners of this Store
will receive the event, at which point they can use the latest data
from this Store
as necessary.
This should be called whenever this Store
's data has finished mutating in
response to an action.
If the Store
is disposing or has been disposed, this method has no effect.
Implementation
void trigger() {
if (isOrWillBeDisposed) return;
_streamController.add(this);
}