def unassign(self, connectionName, streamId):
destStreams = []
destConns = []
destPorts = []
# make sure that the connection exists
if (self.outPorts[connectionName] != None):
if (not connectionName in self.connectionToStream):
destStreams = []
self.connectionToStream[connectionName] = destStreams
else:
raise BULKIO.invalidConnectionName()
# make sure that the streamId exists
if (self.defaultSRIList[streamId] == None):
raise BULKIO.invalidStreamID()
if (destStreams != None):
destStreams.remove(streamId)
if (streamId in self.streamToConnection):
destConns = self.streamToConnection[streamId]
destConns.remove(connectionName)
if (streamId in self.streamToPorts):
destPorts = self.streamToPorts.get[streamId]
destPorts.remove(self.outPorts[connectionName])
def assign(self, connectionName, streamId):
destStreams = []
destConns = []
destPorts = []
self.outPorts = self.parent.virtual_port.outPorts
# make sure that the connection exists
if (self.outPorts[connectionName] != None):
if (not connectionName in self.connectionToStream):
destStreams = []
self.connectionToStream[connectionName] = destStreams
else:
raise BULKIO.invalidConnectionName()
# make sure that the streamId exists
if (self.defaultSRIList[streamId] == None):
raise BULKIO.invalidStreamID()
else:
if (not streamId in self.streamToConnection):
destConns = []
self.streamToConnection[streamId] = destConns
if (not streamId in self.streamToPorts):
destPorts = []
self.streamToPorts[streamId] = destPorts
destStreams.append(streamId)
destConns.append(connectionName)
destPorts.append(self.outPorts[connectionName])
self.refreshSRIList[streamId] = True
def queryStreamSRI(self, streamId):
node = self.defaultSRIList[streamId]
if (node == None):
raise BULKIO.invalidStreamID()
return node
def queryStreamConnections(self, streamId):
connections = self.streamToConnection[streamId]
# make sure that the streamId exists
if (connections == None):
raise BULKIO.invalidStreamID()
return connections
def unassignAllStreams(self, connectionName):
for streamId in self.defaultSRIList:
try:
self.unassign(connectionName, streamId)
except:
raise BULKIO.invalidStreamID()
