update

ketama/ketama.go

@@ -0,0 +1,38 @@
+package ketama
+
+import (
+	"github.com/charlienet/go-mixed/locker"
+	"github.com/charlienet/go-mixed/maps"
+)
+
+type Ketama struct {
+	mu       locker.WithRWLocker
+	replicas int
+	m        maps.Map[uint64, string]
+}
+
+func New() *Ketama {
+	return &Ketama{
+		m: maps.NewHashMap[uint64, string](),
+	}
+}
+
+func (k *Ketama) Synchronize() {
+	k.mu.Synchronize()
+}
+
+func (k *Ketama) Add(nodes ...string) {
+	k.mu.Lock()
+	defer k.mu.Unlock()
+
+	for _, node := range nodes {
+		_ = node
+	}
+}
+
+func (k *Ketama) IsEmpty() bool {
+	k.mu.RLock()
+	defer k.mu.RUnlock()
+
+	return k.m.Count() == 0
+}