Interface realizing a visitor pattern for
PicoContainer as described in the GoF.
The visitor should visit the container, its children, all registered
ComponentAdapter instances and all instantiated components.
author: Aslak Hellesøy author: Jörg Schaible
Entry point for the PicoVisitor traversal. The given node is the first object, that is
asked for acceptance. Only objects of type
PicoContainer ,
ComponentAdapter ,
or
Parameter are valid.
Parameters: node - the start node of the traversal. a visitor-specific value. throws: IllegalArgumentException - in case of an argument of invalid type.