60 lines
1.2 KiB
Go
60 lines
1.2 KiB
Go
package pqueue
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import "474420502.top/eson/structure/compare"
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type PriorityQueue struct {
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queue *vbTree
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}
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func (pq *PriorityQueue) Iterator() *Iterator {
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return nil
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}
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func New(Compare compare.Compare) *PriorityQueue {
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return &PriorityQueue{queue: newVBT(Compare)}
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}
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func (pq *PriorityQueue) Size() int {
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return pq.queue.Size()
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}
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func (pq *PriorityQueue) Push(value interface{}) {
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pq.queue.Put(value)
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}
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func (pq *PriorityQueue) Top() (result interface{}, ok bool) {
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if pq.queue.top != nil {
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return pq.queue.top.value, true
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}
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return nil, false
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}
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func (pq *PriorityQueue) Pop() (result interface{}, ok bool) {
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if pq.queue.top != nil {
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result = pq.queue.top.value
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pq.queue.removeNode(pq.queue.top)
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return result, true
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}
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return nil, false
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}
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func (pq *PriorityQueue) Index(idx int) (interface{}, bool) {
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return pq.queue.Index(idx)
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}
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func (pq *PriorityQueue) Get(key interface{}) (interface{}, bool) {
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return pq.queue.Get(key)
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}
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func (pq *PriorityQueue) RemoveWithIndex(idx int) bool {
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return pq.queue.RemoveIndex(idx)
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}
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func (pq *PriorityQueue) Remove(key interface{}) bool {
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return pq.queue.Remove(key)
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}
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func (pq *PriorityQueue) Values() []interface{} {
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return pq.queue.Values()
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}
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