mirror of
https://github.com/openimsdk/open-im-server.git
synced 2025-11-01 00:42:13 +08:00
52 lines
1.3 KiB
Go
52 lines
1.3 KiB
Go
// Copyright © 2024 OpenIM. All rights reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package lru
|
|
|
|
func NewSlotLRU[K comparable, V any](slotNum int, hash func(K) uint64, create func() LRU[K, V]) LRU[K, V] {
|
|
x := &slotLRU[K, V]{
|
|
n: uint64(slotNum),
|
|
slots: make([]LRU[K, V], slotNum),
|
|
hash: hash,
|
|
}
|
|
for i := 0; i < slotNum; i++ {
|
|
x.slots[i] = create()
|
|
}
|
|
return x
|
|
}
|
|
|
|
type slotLRU[K comparable, V any] struct {
|
|
n uint64
|
|
slots []LRU[K, V]
|
|
hash func(k K) uint64
|
|
}
|
|
|
|
func (x *slotLRU[K, V]) getIndex(k K) uint64 {
|
|
return x.hash(k) % x.n
|
|
}
|
|
|
|
func (x *slotLRU[K, V]) Get(key K, fetch func() (V, error)) (V, error) {
|
|
return x.slots[x.getIndex(key)].Get(key, fetch)
|
|
}
|
|
|
|
func (x *slotLRU[K, V]) Del(key K) bool {
|
|
return x.slots[x.getIndex(key)].Del(key)
|
|
}
|
|
|
|
func (x *slotLRU[K, V]) Stop() {
|
|
for _, slot := range x.slots {
|
|
slot.Stop()
|
|
}
|
|
}
|