def getItems(self, tags):
oids = self.tag_oids
weights = self.tag_weight
weight, result = 0, LFBTree()
for tag in tags:
htag = self.getHash(tag)
if htag in oids:
weight, result = weightedUnion(
oids.get(htag), result, weights.get(htag), weight)
return IFBucket(result)
def getUniqueItems(self, tags):
oids = self.tag_oids
weights = self.tag_weight
weight, result = 1.0, None
for tag in tags:
htag = self.getHash(tag)
if htag in oids:
if result is None:
weight, result = weightedUnion(
oids.get(htag), LFBTree(), weights.get(htag), weight)
else:
weight, result = weightedIntersection(
result, oids.get(htag), weight, weights.get(htag))
return IFBucket(result)
