public void updateViews() {
        cache.entrySet()
                .forEach(entry -> updateFunction.accept(entry.getKey(), entry.getValue().getController()));
    }
public void updateViews() {
        cache.entrySet()
                .forEach(entry -> updateFunction.accept(entry.getKey(), entry.getValue().getController()));
    }
public void updateViews ( ) { cache . entrySet ( ) . forEach ( entry -> updateFunction . accept ( entry . getKey ( ) , entry . getValue ( ) . getController ( ) ) ) ; }
Update all views by invoking the update function ({@link #getUpdateFunction()}).
Update all views by invoking the update function ( {