Update README.md

README.md

@@ -1,15 +1,39 @@
 Regularflow
 ========================================================
 
-This module  allows you to create trafic light clusters that interact together to regulate circulation.
+This module allows you to create trafic light clusters that interact together to regulate circulation.
 Trafic lights are smart and can take decision according to the environnement.
 
+You need to have Apache Kafka and Zookeper for the Stream communication.
+
+First you need to create cluster for
+
+``from confluent_kafka.admin import AdminClient, NewTopic
+
+adminConfig = {
+                'bootstrap.servers': 'localhost:9092'
+              }
+
+topicList = ["manager0", "cluster0", "display"]
+partitions = [4, 4, 4]
+replications = [1, 1, 1]
+
+if __name__ == '__main__' :
+    newTopics = []
+    adminClient = AdminClient(adminConfig)
+    adminClient.delete_topics(topicList)
+    adminClient.delete_topics(["__consumer_offsets"])
+    for i in range(len(topicList)):
+        newTopics.append(NewTopic(topicList[i], partitions[i] , replications[i]))
+    print(newTopics)
+    adminClient.create_topics(newTopics)
+
+``
 Install with setup :
 
     ./setup install
 
 Usage example :
 
-    Later...
+    Once topic are created, you can found example of Usage 
 
-This code is under license owner Slohan SAINTE-CROIX.