def clusterBackward(self, seed, Cluster=None):
"""
Cluster the triple store: from a seed, transitively get all
properties and objects 'backward', ie, following the link back
in the graph.
:param seed: RDFLib Resource
:param Cluster: another :class:`~rdfextras.sparql2sql.sql.sparqlGraph` instance; if None, a new
one will be created. The subgraph will be added to this graph.
:returns: The triple store containing the cluster
:rtype: :class:`~rdfextras.sparql2sql.sql.sparqlGraph`
"""
if Cluster == None:
Cluster = SPARQLGraph()
# This will raise an exception if not kosher...
check_object(seed) # print "Wrong type for clustering: %s" % seed
self._clusterBackward(seed, Cluster)
return Cluster
def clusterBackward(self, seed, Cluster=None):
"""
Cluster the triple store: from a seed, transitively get all
properties and objects 'backward', ie, following the link back
in the graph.
:param seed: RDFLib Resource
:param Cluster: another sparqlGraph instance; if None, a new
one will be created. The subgraph will be added to this graph.
:return: The :class:`~rdfextras.sparql.graph.SPARQLGraph` triple store
containing the cluster
"""
if Cluster == None:
Cluster = SPARQLGraph()
# This will raise an exception if not kosher...
check_object(seed) # print "Wrong type for clustering: %s" % seed
self._clusterBackward(seed, Cluster)
return Cluster
def test_util_check_object(self):
res = util.check_object(self.o)
self.assertTrue(res == None)
def test_util_check_object(self):
res = util.check_object(self.o)
self.assert_(res == None)
