snapshot of https://github.com/casbin/casbin.git (master, 2026-09-15; blobs > 131072B omitted)

persist/adapter_filtered.go

@@ -0,0 +1,32 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+package persist
+
+import (
+	"github.com/casbin/casbin/v3/model"
+)
+
+// FilteredAdapter is the interface for Casbin adapters supporting filtered policies.
+type FilteredAdapter interface {
+	Adapter
+
+	// LoadFilteredPolicy loads only policy rules that match the filter.
+	LoadFilteredPolicy(model model.Model, filter interface{}) error
+	// IsFiltered returns true if the loaded policy has been filtered.
+	IsFiltered() bool
+}