code: public void stop(final GeometryArrayFunction callback) {
  		started = false;
  		service.stop();
  		if (callback != null) {
  			calculate(new GeometryArrayFunction() {
  
  				public void execute(Geometry[] geometries) {
  					callback.execute(geometries);
  					splitLine = null;
  					eventBus.fireEvent(new GeometrySplitStopEvent(geometry));
  				}
  			});
  		} else {
  			eventBus.fireEvent(new GeometrySplitStopEvent(geometry));
  			splitLine = null;
  		}
  	}
docs: Stop splitting the geometry.
  
  @param callback
  the {@link GeometryArrayFunction} to be executed after the splitting has stopped