Interface FilterExpr

All Superinterfaces:

MatchExpression, PathComponent, XPathExpression

public interface FilterExpr
extends PathComponent

This interface represents a FilterExpr as defined by the the XPath 1.0 Recommendation:

[8] Predicate     ::= '[' PredicateExpr ']'
[9] PredicateExpr ::= Expr
...
[20] FilterExpr ::= PrimaryExpr | FilterExpr Predicate

For more details, on what a FilterExpr is please see the W3C XPath 1.0 Recommendation.

Version:

$Revision: 4048 $ $Date: 2004-01-13 07:03:33 +0100 (Tue, 13 Jan 2004) $

Author:

Keith Visco

Field Summary

Fields inherited from interface XPathExpression

BOOLEAN, ERROR, FILTER_EXPR, LOCATION_PATH, NODE_TEST, NUMBER, PATH_EXPR, PRIMARY, STEP, STRING, UNION_EXPR

Method Summary

Modifier and Type	Method	Description
PrimaryExpr	getPrimaryExpr()	Returns the PrimaryExpr for this FilterExpr

Methods inherited from interface MatchExpression

matches

Methods inherited from interface PathComponent

evaluatePredicates, getDefaultPriority, getPredicate, getSubExpression, hasPredicates, isFilterExpr, isLocationStep

Methods inherited from interface XPathExpression

evaluate, getExprType, toString

Method Details

getPrimaryExpr

PrimaryExpr getPrimaryExpr()

Returns the PrimaryExpr for this FilterExpr

Returns:

the PrimaryExpr for this FilterExpr