code: function(ob){
  
              var identifier = ob.identifier || '';
              var clientId = ob.clientId;
              var socketId = ob.socketId;
              var junctionId = ob.junctionId;
              var user = ob.user || {};
  
              if(!!identifier && !!clientId && !!socketId && !!junctionId){
                  var lis = this.junctions;
                  var r = false;
                  if(lis.length>0){
                      for(var i=0;i<lis.length;i++){
                          var c = lis[i];
                          if(c.identifier==identifier && c.clientId==clientId && c.socketId==socketId){
                              r = true;
                              break;
                          }
                      }
                  }
                  if(!r){
                      var junc = {
                          identifier : identifier,
                          clientId : clientId,
                          socketId : socketId,
                          junctionId : junctionId,
                          user : user,
                      }
                      if(!lastAddedJunction || lastAddedJunction!=junc){
                          lastAddedJunction = junc;
                          this.junctions.push(junc);
                          this.Event.onAddJunction(junc, user);
                      }
                  }
              }
          }
docs: Methods to handle junctions
  *