def _browseCreatedNetwork(self, rete):
self._gWrapper = NetworkXGraphWrapper.i()
from icse.rete.ReteNetwork import ReteNetwork
from icse.rete.Nodes import ReteNode
from collections import deque
assert isinstance(rete, ReteNetwork)
nodeQueue = deque([(rete.get_root(), None, 0)])
readed_saw = set()
readed_exploded = set()
while len(nodeQueue) > 0:
node, parent, linkType = nodeQueue.popleft()
if node not in readed_saw:
readed_saw.add(node)
EventManager.trigger(EventManager.E_NODE_ADDED, node)
if parent != None:
EventManager.trigger(EventManager.E_NODE_LINKED, node, parent, linkType)
if node not in readed_exploded:
readed_exploded.add(node)
# per AlphaRoot, ConstantTestNode, LengthTestNode e ReteNode
if hasattr(node, 'get_children'):
linkType = -1 if isinstance(node, ReteNode) else 0
for succ in node.get_children():
nodeQueue.append( (succ, node, linkType ) )
# per ConstantTestNode, JoinNode e NegativeNode
if hasattr(node, 'get_alphamemory'):
if not isinstance(node, ReteNode):
if node.get_alphamemory() != None:
nodeQueue.append( (node.get_alphamemory(), node, 0 ) )
# per AlphaMemory
if hasattr(node, 'get_successors'):
for succ in node.get_successors():
linkType = 1 if isinstance(succ, ReteNode) else 0
nodeQueue.append( (succ, node, linkType ) )
if hasattr(node, 'get_partner'):
nodeQueue.append( (node.get_partner(), node, 0 ) )
def draw_network_fragment(pnodes, rete, g = None):
from icse.rete.Nodes import AlphaNode, AlphaRootNode, \
JoinNode, NegativeNode, NccNode, \
DummyJoinNode, DummyNegativeNode
if g == None:
g = NetworkXGraphWrapper.i()
g.clear()
visited = set()
links = set()
nodeStack = pnodes
while len(nodeStack) > 0:
child = nodeStack.pop()
# navigo prima verso il padre da sinistra
if not isinstance(child, AlphaRootNode):
parent_left = child.get_parent()
else:
parent_left = None
if isinstance(child, (AlphaNode)):
left_linkType = 0
else:
left_linkType = -1
# devo prendere la memory
# per join
if isinstance(child, (JoinNode, NegativeNode, DummyJoinNode, DummyNegativeNode)):
parent_right = child.get_alphamemory()
right_linkType = 1
elif isinstance(child, (NccNode)):
parent_right = child.get_partner()
right_linkType = 0
else:
parent_right = None
right_linkType = 0
if child not in visited:
g.add_node(child)
visited.add(child)
if parent_left != None:
if parent_left not in visited:
g.add_node(parent_left)
visited.add(parent_left)
if (child, parent_left) not in links:
g.add_edge(parent_left, child, left_linkType )
links.add((child, parent_left))
if parent_right != None:
if parent_right not in visited:
g.add_node(parent_right)
visited.add(parent_right)
if (child, parent_right) not in links:
g.add_edge(parent_right, child, right_linkType )
links.add((child, parent_right))
# inserisco prima il padre destro e poi il sinistro
# perche voglio che la navigazione proceda prima
# risalendo a sinistra
if parent_right != None and child != rete.get_root():
nodeStack.append(parent_right)
if parent_left != None and child != rete.get_root():
nodeStack.append(parent_left)
g.draw()