edu.columbia.surge
Interface FDNull

All Known Implementing Classes:
FDNullH

public abstract interface FDNull
extends FD

This class is used when user wants to specify a hole in a FD. If a user wants to specify a hole without needing to specify any properties for the hole, they should put a FDNull object to be that value. If a user wants to specify properties for a hole. They should create a regular FD object with the desired entries and then create a FDRef object that points to the hole.

See Also:
FDNullFactory, FD, FDRef

Inner classes inherited from class java.util.Map
java.util.Map.Entry
 
Methods inherited from interface edu.columbia.surge.FD
checkPath, checkPath, getPath, getPath, putPath, putPath, putPathOverride, putPathOverride, toString, toXML
 
Methods inherited from interface java.util.Map
clear, containsKey, containsValue, entrySet, equals, get, hashCode, isEmpty, keySet, put, putAll, remove, size, values