def applyCycleAvoidance(self):
newOrientationsFound = False
for partiallyDirectedAgg in self.perspectiveToAgg.values():
for relVar1, relVar2 in EdgeOrientation._findCycleAvoidanceRemovals(partiallyDirectedAgg):
if isinstance(relVar1, RelationalVariable) and isinstance(relVar2, RelationalVariable):
self.propagateEdgeRemoval(partiallyDirectedAgg[relVar1][relVar2]
[AbstractGroundGraph.UNDERLYING_DEPENDENCIES], recurse=True)
self.recordEdgeOrientationUsage('CA')
newOrientationsFound = True
return newOrientationsFound
