def add_resource_graph(self, uri, rtype, rdf, creator, format=rdf.Format.RDFXML):
#----------------------------------------------------------------------------
current = self.get_resources(rtype, condition='filter(?r = <%s>)' % uri)
predecessor = current[0][0] if current else None
#print "Preceeded by", predecessor
graph_uri = self.uri.make_uri()
prov = DataItem(graph_uri, type=self._graphtype,
subject=uri, precededby=predecessor,
createdby=DataCreation(self.uri.make_uri(), performedby=creator,
completed=utils.utctime() ))
self.extend_graph(self._provenance_uri, prov.metadata_as_graph().serialise())
self.replace_graph(graph_uri, rdf, format=format)
return graph_uri
def __init__(self,
uri,
about=None,
comment=None,
tags=None,
timestamp=True,
**kwds):
#------------------------------------------------------------------------------------
created = kwds.pop('created', utils.utctime()) if timestamp else None
AbstractObject.__init__(self,
uri,
about=about,
comment=comment,
created=created,
**kwds)
self.tags = tags if tags else []
def __init__(self, uri, about=None, comment=None, tags=None, timestamp=True, **kwds):
#------------------------------------------------------------------------------------
created = kwds.pop('created', utils.utctime()) if timestamp else None
AbstractObject.__init__(self, uri, about=about, comment=comment, created=created, **kwds)
self.tags = tags if tags else []
def add_resource_graph(self, uri, rtype, rdf, creator, format=rdf.Format.RDFXML):
# ----------------------------------------------------------------------------
current = self.get_resources(rtype, condition="filter(?r = <%s>)" % uri)
predecessor = current[0][0] if current else None
# print "Preceeded by", predecessor
graph_uri = self.uri.make_uri()
prov = DataItem(
graph_uri,
type=self._graphtype,
subject=uri,
precededby=predecessor,
createdby=DataCreation(self.uri.make_uri(), performedby=creator, completed=utils.utctime()),
)
self.extend_graph(self._provenance_uri, prov.metadata_as_graph().serialise())
self.replace_graph(graph_uri, rdf, format=format)
return graph_uri
