add uuid generator

pkg/uuid/uuid_container.go

@@ -0,0 +1,29 @@
+package uuid
+
+import (
+	"github.com/mayswind/lab/pkg/errs"
+	"github.com/mayswind/lab/pkg/settings"
+)
+
+type UuidContainer struct {
+	Current UuidGenerator
+}
+
+var (
+	Container = &UuidContainer{}
+)
+
+func InitializeUuidGenerator(config *settings.Config) error {
+	if config.UuidGeneratorType == settings.UUID_GENERATOR_TYPE_INTERNAL {
+		generator, err := NewInternalUuidGenerator(config)
+		Container.Current = generator
+
+		return err
+	}
+
+	return errs.ErrInvalidUuidMode
+}
+
+func (u *UuidContainer) GenerateUuid(uuidType UuidType) int64 {
+	return u.Current.GenerateUuid(uuidType)
+}