net.sf.saxon.expr
Class ArithmeticExpression.NumericArithmetic

java.lang.Object
  net.sf.saxon.expr.ComputedExpression
      net.sf.saxon.expr.BinaryExpression
          net.sf.saxon.expr.ArithmeticExpression
              net.sf.saxon.expr.ArithmeticExpression.NumericArithmetic

All Implemented Interfaces:

Container, Expression, InstructionInfoProvider, java.io.Serializable, javax.xml.transform.SourceLocator

Enclosing class:

ArithmeticExpression

public static class ArithmeticExpression.NumericArithmetic

extends ArithmeticExpression

Inner class to handle numeric arithmetic expressions

See Also:

Serialized Form

Nested Class Summary

Nested classes inherited from class net.sf.saxon.expr.ArithmeticExpression

ArithmeticExpression.DateAndDuration, ArithmeticExpression.DateDifference, ArithmeticExpression.DurationAddition, ArithmeticExpression.DurationDivision, ArithmeticExpression.DurationMultiplication, ArithmeticExpression.NumericArithmetic

Field Summary

Fields inherited from class net.sf.saxon.expr.BinaryExpression

operand0, operand1, operator

Fields inherited from class net.sf.saxon.expr.ComputedExpression

locationId, staticProperties

Fields inherited from interface net.sf.saxon.expr.Expression

EVALUATE_METHOD, ITERATE_METHOD, PROCESS_METHOD

Constructor Summary

ArithmeticExpression.NumericArithmetic(Expression p1, int operator, Expression p2)

Method Summary

static Item	doArithmetic(Expression operand0, int operator, Expression operand1, XPathContext context, boolean backwardsCompatible)
Item	evaluateItem(XPathContext context) Evaluate the expression.
boolean	isBackwardsCompatible()
void	setBackwardsCompatible(boolean flag)

Methods inherited from class net.sf.saxon.expr.ArithmeticExpression

getItemType, typeCheck

Methods inherited from class net.sf.saxon.expr.BinaryExpression

computeCardinality, computeSpecialProperties, display, displayOperator, equals, getOperands, getOperator, hashCode, isAssociative, isCommutative, isInverse, iterateSubExpressions, optimize, promote, replaceSubExpression, simplify

Methods inherited from class net.sf.saxon.expr.ComputedExpression

adoptChildExpression, checkPermittedContents, computeDependencies, computeStaticProperties, doPromotion, dynamicError, effectiveBooleanValue, evaluateAsString, getCardinality, getColumnNumber, getConstructType, getDependencies, getExecutable, getHostLanguage, getImplementationMethod, getInstructionInfo, getIntrinsicDependencies, getLineNumber, getLocationId, getLocationProvider, getParentExpression, getPublicId, getSlotsUsed, getSpecialProperties, getSystemId, hasBadParentPointer, iterate, markTailFunctionCalls, process, resetStaticProperties, setLocationId, setParentExpression, setParentExpression, suppressValidation, typeError

Methods inherited from class java.lang.Object

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

Constructor Detail

ArithmeticExpression.NumericArithmetic

public ArithmeticExpression.NumericArithmetic(Expression p1,
                                              int operator,
                                              Expression p2)

Method Detail

setBackwardsCompatible

public void setBackwardsCompatible(boolean flag)

isBackwardsCompatible

public boolean isBackwardsCompatible()

evaluateItem

public Item evaluateItem(XPathContext context)
                  throws XPathException

Evaluate the expression.

Specified by:

evaluateItem in interface Expression

Overrides:

evaluateItem in class ArithmeticExpression

Throws:

XPathException

doArithmetic

public static Item doArithmetic(Expression operand0,
                                int operator,
                                Expression operand1,
                                XPathContext context,
                                boolean backwardsCompatible)
                         throws XPathException

Throws:

XPathException