def _update_graph(self, hashless_iri, graph, allow_new_type, allow_type_removal):
# Extracts and classifies subjects
bnode_subjects, other_subjects = extract_subjects(graph)
#Blank nodes (may obtain a regular IRI)
resources = create_blank_nodes(self._manager, graph, bnode_subjects, hashless_iri=hashless_iri)
#Objects with an existing IRI
reg_resources, resources_to_update = create_regular_resources(self._manager, graph, other_subjects,
hashless_iri=hashless_iri)
resources += reg_resources
# Subset of regular resources to update
for resource in resources_to_update:
resource.update_from_graph(graph, save=False, allow_new_type=allow_new_type,
allow_type_removal=allow_type_removal)
#Check validity before saving
for r in resources:
if not r.is_valid():
raise OMBadRequestException()
#TODO: improve it as a transaction (really necessary?)
for r in resources:
r.save()
#Delete omitted resources
all_resource_iris = {r.id for r in self._manager.filter(hashless_iri=hashless_iri)}
resource_iris_to_remove = all_resource_iris.difference({r.id for r in resources})
for iri in resource_iris_to_remove:
# Cheap because already in the resource cache
r = self._manager.get(id=iri)
if r is not None:
r.delete()
def _append_to_hydra_coll_from_graph(collection_resource, graph):
collection_iri = collection_resource.id
resource_manager = collection_resource.model_manager.resource_manager
# Extracts and classifies subjects
bnode_subjects, other_subjects = extract_subjects(graph)
# Blank nodes (may obtain a regular IRI)
new_resources = create_blank_nodes(resource_manager, graph, bnode_subjects, collection_iri=collection_iri)
# Objects with an existing IRI
# TODO: ask if it should be accepted
reg_resources, _ = create_regular_resources(resource_manager, graph, other_subjects, collection_iri=collection_iri)
new_resources += reg_resources
return _append_resources_to_hydra_collection(collection_resource, new_resources)
def _update_graph(self, hashless_iri, graph, allow_new_type,
allow_type_removal):
# Extracts and classifies subjects
bnode_subjects, other_subjects = extract_subjects(graph)
#Blank nodes (may obtain a regular IRI)
resources = create_blank_nodes(self._manager,
graph,
bnode_subjects,
hashless_iri=hashless_iri)
#Objects with an existing IRI
reg_resources, resources_to_update = create_regular_resources(
self._manager, graph, other_subjects, hashless_iri=hashless_iri)
resources += reg_resources
# Subset of regular resources to update
for resource in resources_to_update:
resource.update_from_graph(graph,
save=False,
allow_new_type=allow_new_type,
allow_type_removal=allow_type_removal)
#Check validity before saving
for r in resources:
if not r.is_valid():
raise OMBadRequestException()
#TODO: improve it as a transaction (really necessary?)
for r in resources:
r.save()
#Delete omitted resources
all_resource_iris = {
r.id
for r in self._manager.filter(hashless_iri=hashless_iri)
}
resource_iris_to_remove = all_resource_iris.difference(
{r.id
for r in resources})
for iri in resource_iris_to_remove:
# Cheap because already in the resource cache
r = self._manager.get(id=iri)
if r is not None:
r.delete()
def _append_to_hydra_coll_from_graph(collection_resource, graph):
collection_iri = collection_resource.id
resource_manager = collection_resource.model_manager.resource_manager
# Extracts and classifies subjects
bnode_subjects, other_subjects = extract_subjects(graph)
# Blank nodes (may obtain a regular IRI)
new_resources = create_blank_nodes(resource_manager,
graph,
bnode_subjects,
collection_iri=collection_iri)
# Objects with an existing IRI
# TODO: ask if it should be accepted
reg_resources, _ = create_regular_resources(resource_manager,
graph,
other_subjects,
collection_iri=collection_iri)
new_resources += reg_resources
return _append_resources_to_hydra_collection(collection_resource,
new_resources)
