Updater Objects

Subclass of Node.

This represents Node objects that update Updatable objects. Updating can happen either by modifying the contents of an updatable object, or by replacing it in the stream. An updater can have multiple updatable objects associated with it.

u.getUpdatableCount() : int

Returns the number of Updatable nodes that this is updating.

u.getUpdatables() : Iterator

Returns an iterator for the Updatable nodes that this is updating.