public abstract class ScalarMapStep<S,E>
A type of MapStep class which will transform the object of one Traverser into another. This class
simply requires the implementation of the map(Traverser.Admin) method to extract the object of the given
Traverser and return the transformation of that object as E.
Marko A. Rodriguez (http://markorodriguez.com), Stephen Mallette (http://stephen.genoprime.com)