def publish(app_id, source_id, publisher):
""" Periodically called by a timer to publish events which contain the statistics of mentions and hashtags
"""
graph = buildGraph(mentionsDict, "mention")
if graph != None:
event = rdfevents.RDFEvent(source_id,
'text/n3',
graph,
application_id=app_id)
print(event)
publisher.publish(event)
mentionsDict.clear()
graph = buildGraph(hashtagsDict, "hashtag")
if graph != None:
event = rdfevents.RDFEvent(source_id,
'text/n3',
graph,
application_id=app_id)
print(event)
publisher.publish(event)
hashtagsDict.clear()
def publish(self, graph):
event = rdfevents.RDFEvent(self.source_id,
'text/n3',
graph,
application_id=self.app_id)
print(event)
self.publisher.publish(event)
def publish_event(self):
self.schedule_next_event()
tweets = self.client.get_tweets(self.last_id)
if len(tweets) > 0:
print "Generating ", len(tweets), " events..."
for tweet in tweets:
n3rdf = self.toN3(tweet)
event = rdfevents.RDFEvent(self.source_id,
'text/n3',
n3rdf,
application_id=self.app_id)
print event
self.publisher.publish(event)
self.last_id = tweet.id
else:
print "No new events to be generated..."
def publish(self, source_id, graph):
event = rdfevents.RDFEvent(source_id, 'text/n3', graph, application_id = self.app_id)
## print event
self.publisher.publish(event)
self.counter += 1