go-study/lock_free/queues.go

113 lines
2.8 KiB
Go

package lock_free
import (
"iter"
"sync"
"time"
)
// Queues 队列集合
type Queues[TValue any, TKey, TRoute comparable] struct {
queues map[TRoute]*DelayLkQueue[TValue, TKey]
m sync.RWMutex
}
// NewQueues 创建队列集合
func NewQueues[TValue any, TKey, TRoute comparable]() *Queues[TValue, TKey, TRoute] {
return &Queues[TValue, TKey, TRoute]{make(map[TRoute]*DelayLkQueue[TValue, TKey]), sync.RWMutex{}}
}
// Enqueue 入队
func (q *Queues[TValue, TKey, TRoute]) Enqueue(route TRoute, value TValue) {
q.m.RLock()
if queue, ok := q.queues[route]; ok {
q.m.RUnlock()
queue.Enqueue(value)
} else {
q.m.RUnlock()
queue := NewDelayLkQueue[TValue, TKey]()
q.m.Lock()
q.queues[route] = queue
q.m.Unlock()
queue.Enqueue(value)
}
}
// Dequeue 出队
func (q *Queues[TValue, TKey, TRoute]) Dequeue(route TRoute) (value TValue, ok bool) {
q.m.RLock()
defer q.m.RUnlock()
if queue, ok := q.queues[route]; ok {
return queue.Dequeue()
}
return value, false
}
// DelayEnqueue 延迟入队
func (q *Queues[TValue, TKey, TRoute]) DelayEnqueue(route TRoute, value TValue, duration time.Duration) {
q.m.RLock()
if queue, ok := q.queues[route]; ok {
q.m.RUnlock()
queue.DelayEnqueue(value, duration)
} else {
q.m.RUnlock()
queue := NewDelayLkQueue[TValue, TKey]()
q.m.Lock()
q.queues[route] = queue
q.m.Unlock()
queue.DelayEnqueue(value, duration)
}
}
// CancellableDelayEnqueue 可取消的延迟入队
func (q *Queues[TValue, TKey, TRoute]) CancellableDelayEnqueue(route TRoute, key TKey, value TValue, duration time.Duration) {
q.m.RLock()
defer q.m.RUnlock()
if queue, ok := q.queues[route]; ok {
queue.CancellableDelayEnqueue(key, value, duration)
} else {
queue := NewDelayLkQueue[TValue, TKey]()
q.m.Lock()
q.queues[route] = queue
q.m.Unlock()
queue.CancellableDelayEnqueue(key, value, duration)
}
}
// CancelDelayEnqueue 取消延迟入队
func (q *Queues[TValue, TKey, TRoute]) CancelDelayEnqueue(route TRoute, key TKey) {
q.m.RLock()
defer q.m.RUnlock()
if queue, ok := q.queues[route]; ok {
queue.CancelDelayEnqueue(key)
}
}
// ContinuousDequeue 持续监听出队
func (q *Queues[TValue, TKey, TRoute]) ContinuousDequeue(route TRoute) iter.Seq[TValue] {
q.m.RLock()
defer q.m.RUnlock()
if queue, ok := q.queues[route]; ok {
return queue.ContinuousDequeue()
}
return nil
}
// ContinuousDequeueExecute 持续监听出队执行函数
func (q *Queues[TValue, TKey, TRoute]) ContinuousDequeueExecute(route TRoute, fn func(TValue)) {
q.m.RLock()
defer q.m.RUnlock()
if queue, ok := q.queues[route]; ok {
queue.ContinuousDequeueExecute(fn)
}
}
// ContinuousDequeueNotify 持续监听出队通知
func (q *Queues[TValue, TKey, TRoute]) ContinuousDequeueNotify(route TRoute, chs ...chan TValue) {
q.m.RLock()
defer q.m.RUnlock()
if queue, ok := q.queues[route]; ok {
queue.ContinuousDequeueNotify(chs...)
}
}