com.icl.saxon.expr

Class DifferenceEnumeration

public class DifferenceEnumeration extends Object implements NodeEnumeration

An enumeration representing a nodeset that is an intersection of two other NodeSets. There is currently no operator in XPath to create such an expression, but it is used by the extension function difference(). The code is derived from the analagous UnionEnumeration, an inner class of UnionExpression.

Field Summary
NodeInfo	nextNode

Constructor Summary
	DifferenceEnumeration(NodeEnumeration p1, NodeEnumeration p2, Controller controller) Form an enumeration of the difference of two nodesets, that is, the nodes that are in p1 and that are not in p2.