def _validate_pointer_def(
self,
schema: s_schema.Schema,
context: sd.CommandContext,
) -> None:
"""Check that property definition is sound."""
super()._validate_pointer_def(schema, context)
scls = self.scls
if not scls.get_owned(schema):
return
if scls.is_special_pointer(schema):
return
if (
scls.is_link_property(schema)
and not scls.is_pure_computable(schema)
):
# link properties cannot be required or multi
if self.get_attribute_value('required'):
raise errors.InvalidPropertyDefinitionError(
'link properties cannot be required',
context=self.source_context,
)
if (self.get_attribute_value('cardinality')
is qltypes.SchemaCardinality.Many):
raise errors.InvalidPropertyDefinitionError(
"multi properties aren't supported for links",
context=self.source_context,
)
target_type = scls.get_target(schema)
if target_type is None:
raise TypeError(f'missing target type in scls {scls}')
if target_type.is_polymorphic(schema):
srcctx = self.get_attribute_source_context('target')
raise errors.InvalidPropertyTargetError(
f'invalid property type: '
f'{target_type.get_verbosename(schema)} '
f'is a generic type',
context=srcctx,
)
if (target_type.is_object_type()
or (isinstance(target_type, s_types.Collection)
and target_type.contains_object(schema))):
srcctx = self.get_attribute_source_context('target')
raise errors.InvalidPropertyTargetError(
f'invalid property type: expected a scalar type, '
f'or a scalar collection, got '
f'{target_type.get_verbosename(schema)}',
context=srcctx,
)
def _validate_pointer_def(self, schema, context):
"""Check that property definition is sound."""
super()._validate_pointer_def(schema, context)
scls = self.scls
if not scls.get_is_local(schema):
return
if scls.is_special_pointer(schema):
return
if scls.is_link_property(schema):
# link properties cannot be required or multi
if self.get_attribute_value('required'):
raise errors.InvalidPropertyDefinitionError(
'link properties cannot be required',
context=self.source_context,
)
if (self.get_attribute_value('cardinality')
is qltypes.Cardinality.MANY):
raise errors.InvalidPropertyDefinitionError(
"multi properties aren't supported for links",
context=self.source_context,
)
target_type = scls.get_target(schema)
if target_type.is_polymorphic(schema):
srcctx = self.get_attribute_source_context('target')
raise errors.InvalidPropertyTargetError(
f'invalid property type: '
f'{target_type.get_verbosename(schema)} '
f'is a generic type',
context=srcctx,
)
if (target_type.is_object_type()
or (target_type.is_collection()
and target_type.contains_object(schema))):
srcctx = self.get_attribute_source_context('target')
raise errors.InvalidPropertyTargetError(
f'invalid property type: expected a scalar type, '
f'or a scalar collection, got '
f'{target_type.get_verbosename(schema)}',
context=srcctx,
)
if target_type.is_collection():
srcctx = self.get_attribute_source_context('target')
sd.ensure_schema_collection(
schema, target_type, self,
src_context=srcctx,
context=context,
)
