snapshot of https://github.com/ory/keto.git (master, 2026-09-16; blobs > 131072B omitted)

internal/driver/config/namespace_memory.go

@@ -0,0 +1,87 @@
+// Copyright © 2023 Ory Corp
+// SPDX-License-Identifier: Apache-2.0
+
+package config
+
+import (
+	"context"
+	"reflect"
+	"sync"
+
+	"github.com/ory/herodot"
+	"github.com/pkg/errors"
+
+	"github.com/ory/keto/internal/namespace"
+)
+
+type (
+	memoryNamespaceManager struct {
+		byName map[string]*namespace.Namespace
+		sync.RWMutex
+	}
+)
+
+var _ namespace.Manager = &memoryNamespaceManager{}
+
+func NewMemoryNamespaceManager(nn ...*namespace.Namespace) *memoryNamespaceManager {
+	s := &memoryNamespaceManager{}
+	s.set(nn)
+	return s
+}
+
+func (s *memoryNamespaceManager) GetNamespaceByName(_ context.Context, name string) (*namespace.Namespace, error) {
+	s.RLock()
+	defer s.RUnlock()
+
+	if n, ok := s.byName[name]; ok {
+		return n, nil
+	}
+
+	return nil, errors.WithStack(herodot.ErrNotFound().WithReasonf("Unknown namespace with name %q.", name))
+}
+
+func (s *memoryNamespaceManager) GetNamespaceByConfigID(_ context.Context, id int32) (*namespace.Namespace, error) {
+	s.RLock()
+	defer s.RUnlock()
+
+	for _, n := range s.byName {
+		//lint:ignore SA1019 backwards compatibility
+		//nolint:staticcheck
+		if n.ID == id {
+			return n, nil
+		}
+	}
+
+	return nil, errors.WithStack(herodot.ErrNotFound().WithReasonf("Unknown namespace with id %d.", id))
+}
+
+func (s *memoryNamespaceManager) Namespaces(_ context.Context) ([]*namespace.Namespace, error) {
+	s.RLock()
+	defer s.RUnlock()
+
+	nn := make([]*namespace.Namespace, 0, len(s.byName))
+	for _, n := range s.byName {
+		nn = append(nn, n)
+	}
+
+	return nn, nil
+}
+
+func (s *memoryNamespaceManager) ShouldReload(newValue interface{}) bool {
+	s.RLock()
+	defer s.RUnlock()
+
+	nn, _ := s.Namespaces(context.Background())
+
+	return !reflect.DeepEqual(newValue, nn)
+}
+
+func (s *memoryNamespaceManager) set(nn []*namespace.Namespace) {
+	s.Lock()
+	defer s.Unlock()
+
+	s.byName = make(map[string]*namespace.Namespace, len(nn))
+	for _, n := range nn {
+		s.byName[n.Name] = n
+	}
+}