Initial cloud-services repo - gateway service + pkg modules

pkg/redis/client_pool.go

@@ -0,0 +1,44 @@
+package redis
+
+import (
+	"sync"
+)
+
+func NewClientPool(args ...Pool) ClientPoolInterface {
+	result := &ClientPool{}
+
+	if len(args) > 0 {
+		result.pool = args[0]
+	}
+
+	return result
+}
+
+type ClientPoolInterface interface {
+	GetPool() Pool
+	SetPool(pool Pool)
+	GetFromPool() Client
+}
+
+type ClientPool struct {
+	oncePool sync.Once
+	pool     Pool
+}
+
+func (f *ClientPool) GetPool() Pool {
+	f.oncePool.Do(func() {
+		if f.pool == nil {
+			f.pool = NewPool()
+		}
+	})
+
+	return f.pool
+}
+
+func (f *ClientPool) SetPool(pool Pool) {
+	f.pool = pool
+}
+
+func (f *ClientPool) GetFromPool() Client {
+	return NewClient(f.GetPool().Get())
+}