import javax.ws.rs.core.Response.Status;
 
+import org.onap.dmaap.dbcapi.client.MrProvConnection;
 import org.onap.dmaap.dbcapi.database.DatabaseClass;
 import org.onap.dmaap.dbcapi.logging.BaseLoggingClass;
 import org.onap.dmaap.dbcapi.model.ApiError;
 import org.onap.dmaap.dbcapi.model.DcaeLocation;
 import org.onap.dmaap.dbcapi.model.MR_Cluster;
+import org.onap.dmaap.dbcapi.model.Topic;
 import org.onap.dmaap.dbcapi.model.DmaapObject.DmaapObject_Status;
 import org.onap.dmaap.dbcapi.service.DcaeLocationService;
 import org.onap.dmaap.dbcapi.util.DmaapConfig;
                        return null;
                }
                cluster.setLastMod();
-               cluster.setStatus(DmaapObject_Status.VALID);
+               cluster.setStatus( addTopicsToCluster( cluster, apiError ) );
                mr_clusters.put( cluster.getDcaeLocationName(), cluster );
                DcaeLocationService svc = new DcaeLocationService();
                DcaeLocation loc = svc.getDcaeLocation( cluster.getDcaeLocationName() );
                        return null;
                }
                cluster.setLastMod();
+               cluster.setStatus( addTopicsToCluster( cluster, apiError ) );
                mr_clusters.put( cluster.getDcaeLocationName(), cluster );
                DcaeLocationService svc = new DcaeLocationService();
                DcaeLocation loc = svc.getDcaeLocation( cluster.getDcaeLocationName() );
                                mr_clusters.put( cluster.getDcaeLocationName(), cluster );
                        }
                }
+               
                apiError.setCode(200);
                return cluster;
        }
                return mr_clusters.remove(key);
        }       
        
-
+       private DmaapObject_Status addTopicsToCluster( MR_Cluster cluster, ApiError err  ){
+               
+               TopicService ts = new TopicService();
+               MrProvConnection prov = new MrProvConnection();
+               List<Topic>  topics = ts.getAllTopicsWithoutClients();
+               for( Topic topic: topics ) {
+                       logger.info( "POST topic " + topic.getFqtn() + " to cluster " + cluster.getFqdn() + " in loc " + cluster.getDcaeLocationName());
+                       if ( prov.makeTopicConnection(cluster)) {
+                               String resp = prov.doPostTopic(topic, err);
+                               logger.info( "response code: " + err.getCode() );
+                               if ( ! err.is2xx() && ! (err.getCode() == 409) ) {
+                                       return DmaapObject_Status.INVALID;
+                               } 
+                       }
+               }
+               
+               return DmaapObject_Status.VALID;
+       }
 }
 
        }
                
        public List<Topic> getAllTopics() {
+               return getAllTopics( true );
+       }
+       public List<Topic> getAllTopicsWithoutClients() {
+               return getAllTopics(false);
+       }
+       
+       private List<Topic> getAllTopics( Boolean withClients ) {
                ArrayList<Topic> topics = new ArrayList<Topic>(mr_topics.values());
-               for( Topic topic: topics ) {
-                       topic.setClients( clientService.getAllMrClients(topic.getFqtn()));
+               if ( withClients ) {
+                       for( Topic topic: topics ) {
+                               topic.setClients( clientService.getAllMrClients(topic.getFqtn()));
+                       }
                }
                return topics;
        }