public static <T,F extends Exception> Visitor<? super T,? extends F> castOrNull(Class<T> eType, Class<F> fType, Object visitor)
Visitor and if the objects it can
visit is compatible (super type of) with the provided type. Returns the
visitor cast to compatible type parameters. If the passed in object is not an instance of Visitor,
or if it is a Visitor but one that visits another type of object, this
method returns null.Copyright © 2002–2015 The Neo4j Graph Database Project. All rights reserved.