validate many is None for run_many usage

kgforge/specializations/models/demo_model.py

@@ -18,7 +18,7 @@
 from typing import Dict, List, Optional, Tuple, Union, Any, Type
 
 from kgforge.core.archetypes.store import Store
-from kgforge.core.commons.execution import not_supported
+from kgforge.core.commons.execution import not_supported, _run_many
 from kgforge.core.resource import Resource
 from kgforge.core.archetypes.mapping import Mapping
 from kgforge.core.archetypes.model import Model
@@ -87,17 +87,21 @@ def mapping(self, entity: str, source: str, type: Type[Mapping]) -> Mapping:
 
     # Validation.
 
+    def _validate(self, resource: Resource, type_: str, inference: str, raise_: bool):
+        type_expanded = self.service.expand(type_)
+
+        schema = self.service.schema(type_expanded)
+        result, reason = self.service.check(resource, schema)
+        if reason is not None and raise_:
+            raise ValidationError(reason)
+
     def _validate_one(self, resource: Resource, type_: str, inference: str) -> None:
         """
         Validates the model against a given type provided by type_ parameter.
         If type_ is None then it looks for type attribute in resource.
         If the resource is not typed, AttributeError is raised
         """
-        type_expanded = self.service.expand(type_)
-        schema = self.service.schema(type_expanded)
-        result, reason = self.service.check(resource, schema)
-        if reason is not None:
-            raise ValidationError(reason)
+        return self._validate(resource, type_, inference, True)
 
     # Utils.
 
@@ -124,12 +128,7 @@ def _generate_context(self) -> Dict:
     def schema_id(self, type: str) -> str:
         raise not_supported()
 
-    def _validate_many(
-        self, resources: List[Resource], type_: str, inference: str
-    ) -> None:
-
-        for resource in resources:
-            self._validate_one(resource, type_, inference)
+    _validate_many = None
 
 
 class ModelLibrary: