org.apache.xpath.patterns
Class FunctionPattern

java.lang.Object
  |
  +--org.apache.xpath.Expression
        |
        +--org.apache.xpath.patterns.NodeTest
              |
              +--org.apache.xpath.patterns.StepPattern
                    |
                    +--org.apache.xpath.patterns.FunctionPattern

public class FunctionPattern

extends StepPattern

**For advanced use only** Match pattern step that contains a function.

See Also:

Serialized Form

Fields inherited from class org.apache.xpath.patterns.NodeTest

SCORE_NODETEST, SCORE_NONE, SCORE_NSWILD, SCORE_OTHER, SCORE_QNAME, SHOW_BYFUNCTION, SHOW_NAMESPACE, SUPPORTS_PRE_STRIPPING, WILD

Constructor Summary

FunctionPattern(Expression expr)
Construct a FunctionPattern from a expression.

Method Summary

XObject

execute(XPathContext xctxt) Test a node to see if it matches the given node test.

Methods inherited from class org.apache.xpath.patterns.StepPattern

calcTargetString, canTraverseOutsideSubtree, executeRelativePathPattern, executeStep, getLastPos, getMatchScore, getPredicate, getPredicateCount, getProximityPosition, getTargetString, setPredicates, setRelativePathPattern

Methods inherited from class org.apache.xpath.patterns.NodeTest

debugWhatToShow, execute, getDefaultScore, getLocalName, getNamespace, getWhatToShow, initNodeTest, initNodeTest

Methods inherited from class org.apache.xpath.Expression

assert, error, setSourceLocator, warn

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FunctionPattern

public FunctionPattern(Expression expr)

Construct a FunctionPattern from a expression.

Parameters:

a - should be a expression.

Method Detail

execute

public XObject execute(XPathContext xctxt)
                throws TransformerException

Test a node to see if it matches the given node test.

Parameters:

xctxt - XPath runtime context.

Returns:

NodeTest.SCORE_NODETEST, NodeTest.SCORE_NONE, NodeTest.SCORE_NSWILD, NodeTest.SCORE_QNAME, or NodeTest.SCORE_OTHER.

Throws:

TransformerException -

Overrides:

execute in class StepPattern