def getGraph(self, sessionId):
allGraphs = {}
thrExs = {}
self._tp.map(functools.partial(self._getGraph, sessionId, allGraphs, thrExs), self._dmHosts)
if thrExs:
raise Exception("One ore more exceptions occurred while getting the graph for session %s" % (sessionId), thrExs)
# The graphs coming from the DMs are not interconnected, we need to
# add the missing connections to the graph before returning upstream
for rel in self._interDMRelations[sessionId]:
graph_loader.addLink(rel.rel, allGraphs[rel.rhs], rel.lhs)
return allGraphs
def getGraph(self, sessionId):
allGraphs = {}
self.replicate(sessionId,
self._getGraph,
"getting the graph",
collect=allGraphs)
# The graphs coming from the DMs are not interconnected, we need to
# add the missing connections to the graph before returning upstream
rels = set([
z for x in self._drop_rels[sessionId].values() for y in x.values()
for z in y
])
for rel in rels:
graph_loader.addLink(rel.rel, allGraphs[rel.rhs], rel.lhs)
return allGraphs
def linkGraphParts(self, lhOID, rhOID, linkType, force=False):
"""
Links together two DROP specifications (i.e., those pointed by
`lhOID` and `rhOID`) using `linkType`. The DROP specifications
must both already be part of one of the graph specs contained in this
session; otherwise an exception will be raised.
"""
if self.status != SessionStates.BUILDING:
raise InvalidSessionState("Can't link DROPs anymore since this session isn't in the BUILDING state")
# Look for the two DROPs in all our graph parts and reporting
# missing DROPs
lhDropSpec = self._graph.get(lhOID, None)
rhDropSpec = self._graph.get(rhOID, None)
missingOids = []
if lhDropSpec is None: missingOids.append(lhOID)
if rhDropSpec is None: missingOids.append(rhOID)
if missingOids:
oids = 'OID' if len(missingOids) == 1 else 'OIDs'
raise InvalidGraphException('No DROP found for %s %r' % (oids, missingOids))
graph_loader.addLink(linkType, lhDropSpec, rhOID, force=force)
def linkGraphParts(self, lhOID, rhOID, linkType, force=False):
"""
Links together two DROP specifications (i.e., those pointed by
`lhOID` and `rhOID`) using `linkType`. The DROP specifications
must both already be part of one of the graph specs contained in this
session; otherwise an exception will be raised.
"""
if self.status != SessionStates.BUILDING:
raise Exception("Can't link DROPs anymore since this session isn't in the BUILDING state")
# Look for the two DROPs in all our graph parts and reporting
# missing DROPs
lhDropSpec = self.findByOidInParts(lhOID)
rhDropSpec = self.findByOidInParts(rhOID)
missingOids = []
if lhDropSpec is None: missingOids.append(lhOID)
if rhDropSpec is None: missingOids.append(rhOID)
if missingOids:
oids = 'OID' if len(missingOids) == 1 else 'OIDs'
raise Exception('No DROP found for %s %r' % (oids, missingOids))
graph_loader.addLink(linkType, lhDropSpec, rhOID, force=force)