Using DemeterF on CCIS machines:

add: /home/chadwick/www/demeterf/package.jar
to your class path.
or: you can download demeterf jar file from
http://www.ccs.neu.edu/research/demeter/DemeterF/package.jar
and add it to your classpath

DemeterF can be used with any Java program.
But it is nice to use it in conjunction
with a code generator, such as EMF or DemeterJ.

If you use DemeterJ, put into your .cd file:
import edu.neu.ccs.demeterf.*;

About using DemeterF:

// to say that Node is a builtIn class
    edu.neu.ccs.demeterf.util.Util.addBuiltIn(Node.class);

	// for debugging traversals
	    edu.neu.ccs.demeterf.util.Util.setDebug(true);

		Unless you use update methods (IDa), apply methods only take
		one argument. This is different from the combine methods
		of IDb that collect information from subtraversals
		and send them up the object.