def execute(token):
message = token.message
# create and send result message
correlationid = message.correlationid
receiveraddress = message.sender.hostname
category = to_response_category(message.category)
body = token.result
resultmessage = messaging_uow.store_outgoing(receiveraddress, correlationid, category, body)
process_outgoingmessage.delay(resultmessage.id)
def get(self, receiveraddress):
query = self.get_parameter('query')
if query is None:
raise badrequest('parameter "query" not provided')
# persist so it can be processed in the background
correlationid = gen_correlationid()
message = messaging_uow.store_outgoing(receiveraddress, correlationid, MessageCategory.SPARQL_QUERY, query)
try:
outgoing = process_outgoingmessage.delay(message.id)
def check(): return outgoing.ready() and messaging_uow.is_answered(message)
self.asyncwait(check, 1, 30, self.write_responsetomessage, message)
except TimeoutError:
raise timeout('the incoming "SparqlQuery" request has timed out')
except Exception:
raise servererror('the incoming "SparqlQuery" request failed')