code: void onSearch() {
  		if (searchPanel.validate()) {
  			setVectorLayerOnWhichSearchIsHappeningVisible();
  			Criterion critter = searchPanel.getFeatureSearchCriterion();
  			SearchRequestEvent sre = new SearchRequestEvent(this, critter);
  			for (SearchRequestHandler handler : searchHandlers) {
  				handler.onSearchRequested(sre);
  			}
  		}
  	}
docs: ----------------------------------------------------------