com.saxonica.ee.optim

Class GlobalExtractor

java.lang.Object

com.saxonica.ee.optim.GlobalExtractor

public class GlobalExtractor
extends java.lang.Object

This class is responsible for extracting global variables from subexpressions within a function or template

Field Summary

Fields

Modifier and Type	Field and Description
static int	COST_THRESHOLD

Constructor Summary

Constructors

Constructor and Description
GlobalExtractor(Expression root, GlobalVariableManager globalVariableManager, ExpressionVisitor visitor)

Method Summary

Modifier and Type	Method and Description
Expression	extractGlobals(ExpressionVisitor visitor)

Methods inherited from class java.lang.Object

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

Field Detail

COST_THRESHOLD

public static final int COST_THRESHOLD

See Also:

Constant Field Values

Constructor Detail

GlobalExtractor

public GlobalExtractor(Expression root,
                       GlobalVariableManager globalVariableManager,
                       ExpressionVisitor visitor)

Method Detail

extractGlobals

public Expression extractGlobals(ExpressionVisitor visitor)
                          throws XPathException

Throws:

XPathException