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88 lines
1.8 KiB
88 lines
1.8 KiB
// ------------------------------------------------------------------------
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// Project active2
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// Active Thing (activething.com) git.activething.com/go
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//
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// File name g_queue.go
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// Created by DEV
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// Modified 24/04/2024
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//
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// Copyright 2024 activething.com
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// ------------------------------------------------------------------------
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// ------------------------------------------------------------------------
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package queue
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import (
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"sync"
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"syns"
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)
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type (
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GQueue [T any]struct {
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locker syns.LockerRW
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elems []T
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}
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)
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func NewGQueue [T any](safe bool) *GQueue[T] {
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var lc syns.LockerRW
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if safe {
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lc = &sync.RWMutex{}
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} else {
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lc = syns.NopLocker{}
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}
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return &GQueue[T]{ locker : lc }
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}
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func (q *GQueue[T]) Len () (l int) {
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q.locker.RLock()
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l = len(q.elems)
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q.locker.RUnlock()
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return
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}
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func (q *GQueue[T]) Push(ele T) {
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q.locker.Lock()
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q.elems = append(q.elems,ele)
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q.locker.Unlock()
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}
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func (q *GQueue[T]) Pop() (e T) {
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q.locker.Lock()
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if q.Len() > 0 {
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e = q.elems[0]
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q.elems = q.elems[1:]
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}
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q.locker.Unlock()
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return
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}
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func (q *GQueue[T]) Clear (onClearFnc func(ele T)) {
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q.locker.Lock()
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if onClearFnc != nil {
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for _,e := range q.elems {
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onClearFnc(e)
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}
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}
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q.elems = q.elems[:0]
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q.locker.Unlock()
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}
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