v0.0.315 atomic

syncext/atomic.go

@@ -1,33 +1,28 @@
 package syncext
 
 import (
-	"context"
-	"gogs.mikescher.com/BlackForestBytes/goext/langext"
 	"sync"
-	"time"
 )
 
-type AtomicBool struct {
-	v        bool
-	listener map[string]chan bool
-	lock     sync.Mutex
+type Atomic[T any] struct {
+	v    T
+	lock sync.RWMutex
 }
 
-func NewAtomicBool(value bool) *AtomicBool {
-	return &AtomicBool{
-		v:        value,
-		listener: make(map[string]chan bool),
-		lock:     sync.Mutex{},
+func NewAtomic[T any](value T) *Atomic[T] {
+	return &Atomic[T]{
+		v:    value,
+		lock: sync.RWMutex{},
 	}
 }
 
-func (a *AtomicBool) Get() bool {
-	a.lock.Lock()
-	defer a.lock.Unlock()
+func (a *Atomic[T]) Get() T {
+	a.lock.RLock()
+	defer a.lock.RUnlock()
 	return a.v
 }
 
-func (a *AtomicBool) Set(value bool) bool {
+func (a *Atomic[T]) Set(value T) T {
 	a.lock.Lock()
 	defer a.lock.Unlock()
 
@@ -35,79 +30,5 @@ func (a *AtomicBool) Set(value bool) bool {
 
 	a.v = value
 
-	for k, v := range a.listener {
-		select {
-		case v <- value:
-			// message sent
-		default:
-			// no receiver on channel
-			delete(a.listener, k)
-		}
-	}
-
 	return oldValue
 }
-
-func (a *AtomicBool) Wait(waitFor bool) {
-	_ = a.WaitWithContext(context.Background(), waitFor)
-}
-
-func (a *AtomicBool) WaitWithTimeout(timeout time.Duration, waitFor bool) error {
-	ctx, cancel := context.WithTimeout(context.Background(), timeout)
-	defer cancel()
-	return a.WaitWithContext(ctx, waitFor)
-}
-
-func (a *AtomicBool) WaitWithContext(ctx context.Context, waitFor bool) error {
-	if err := ctx.Err(); err != nil {
-		return err
-	}
-
-	if a.Get() == waitFor {
-		return nil
-	}
-
-	uuid, _ := langext.NewHexUUID()
-
-	waitchan := make(chan bool)
-
-	a.lock.Lock()
-	a.listener[uuid] = waitchan
-	a.lock.Unlock()
-	defer func() {
-		a.lock.Lock()
-		delete(a.listener, uuid)
-		a.lock.Unlock()
-	}()
-
-	for {
-		if err := ctx.Err(); err != nil {
-			return err
-		}
-
-		timeOut := 1024 * time.Millisecond
-
-		if dl, ok := ctx.Deadline(); ok {
-			timeOutMax := dl.Sub(time.Now())
-			if timeOutMax <= 0 {
-				timeOut = 0
-			} else if 0 < timeOutMax && timeOutMax < timeOut {
-				timeOut = timeOutMax
-			}
-		}
-
-		if v, ok := ReadChannelWithTimeout(waitchan, timeOut); ok {
-			if v == waitFor {
-				return nil
-			}
-		} else {
-			if err := ctx.Err(); err != nil {
-				return err
-			}
-
-			if a.Get() == waitFor {
-				return nil
-			}
-		}
-	}
-}