/*

Copyright 2023 Huawei Cloud Computing Technologies Co., Ltd.

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 pool

type HitRatioHook struct {

IncrTotal func(int64)

IncrHit func(int64)

}

func NewHitRatioHook(total, hit func(int64)) *HitRatioHook {

return &HitRatioHook{

IncrTotal: total,

IncrHit: hit,

}

}

type FixedPool struct {

pool chan interface{}

new func() interface{}

hook *HitRatioHook

}

func (p *FixedPool) Reset(size int, new func() interface{}, hook *HitRatioHook) {

p.pool = make(chan interface{}, size)

p.new = new

p.hook = hook

}

func (p *FixedPool) newObject() interface{} {

if p.new == nil {

return nil

}

return p.new()

}

func (p *FixedPool) Get() interface{} {

if p.hook != nil {

p.hook.IncrTotal(1)

}

select {

case iw := <-p.pool:

if p.hook != nil {

p.hook.IncrHit(1)

}

return iw

default:

break

}

return p.newObject()

}

func (p *FixedPool) Put(v interface{}) {

select {

case p.pool <- v:

default:

break

}

}