code: public void stop()
     {
        if (this.rpcService != null)
        {
           this.rpcService.unregisterCommand(reserveRepositoryName);
           this.rpcService.unregisterCommand(createRepository);
           this.rpcService.unregisterCommand(startRepository);
           this.rpcService.unregisterCommand(removeRepository);
           this.rpcService.unregisterCommand(canRemoveRepository);
        }
     }
docs: {@inheritDoc}