org.cdlib.xtf.lazyTree
Class FastNodeTestPattern

Object
  Pattern
      NodeTestPattern
          FastNodeTestPattern

All Implemented Interfaces:

Serializable, SourceLocator, Container, PatternFinder

 class FastNodeTestPattern
extends NodeTestPattern

Optimizes Saxon's NodeTestPattern adding the ability to directly use a NodeTest when selecting elements, rather than selecting all elements and then applying the test to them (the latter is slow on lazy trees).

Author:

Martin Haye

Constructor Summary

FastNodeTestPattern(NodeTest test)

Method Summary

SequenceIterator

selectNodes(DocumentInfo doc, XPathContext context)

Methods inherited from class NodeTestPattern

getDefaultPriority, getFingerprint, getNodeKind, getNodeTest, matches, setNodeTest, toString

Methods inherited from class Pattern

analyze, getColumnNumber, getDependencies, getExecutable, getHostLanguage, getLineNumber, getLocationProvider, getPublicId, getSystemId, internalMatches, iterateSubExpressions, make, makeSearchExpression, promote, replaceSubExpression, setExecutable, setLineNumber, setOriginalText, setSystemId, simplify

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

FastNodeTestPattern

public FastNodeTestPattern(NodeTest test)

Method Detail

selectNodes

public SequenceIterator selectNodes(DocumentInfo doc,
                                    XPathContext context)
                             throws XPathException

Specified by:

selectNodes in interface PatternFinder

Overrides:

selectNodes in class Pattern

Throws:

XPathException