func (this *KHHCountMinSketch) GetTop() []int64 {
if this.topcent != nil {
return this.topcent
}
this.topcent = []int64{}
this.counts = []int64{}
for !this.priorityQueue.IsEmpty() {
tmp := this.priorityQueue.Poll()
this.topcent = append(this.topcent, tmp)
this.counts = append(this.counts, this.countlist[utils.HashCode(tmp)])
}
return this.topcent
}
func (this *KHHCountMinSketch) Add(e int64) {
count := this.AddLong(utils.HashCode(e), 1)
if _, ok := this.items[utils.HashCode(e)]; !ok {
this.countlist[utils.HashCode(e)] = count
this.priorityQueue.Enqueue(e)
this.items[utils.HashCode(e)] = e
} else {
this.priorityQueue.Dequeue()
this.items[utils.HashCode(e)] = e
this.countlist[utils.HashCode(e)] = count
this.priorityQueue.Enqueue(e)
}
if this.priorityQueue.Size() > this.k {
removed := this.priorityQueue.Poll()
delete(this.items, removed)
}
}
