def reset(self):
"""Reset itself and recursively all its children."""
MATCHER.debug("Node <%s> reset", self)
self._reset()
for child in self.children:
child.node.reset()
def activate_right(self, token):
"""Make a copy of the received token and call `_activate_right`."""
MATCHER.debug("Node <%s> activated right with token %r", self, token)
return self._activate_right(token.copy())
def remove(self, fact):
"""Create an INVALID token and send it to all children."""
token = Token.invalid(fact)
MATCHER.debug("<BusNode> added %r", token)
for child in self.children:
child.callback(token)