net.sf.saxon.expr
Class ArithmeticExpression.DurationAddition

java.lang.Object
  extended bynet.sf.saxon.expr.ComputedExpression
      extended bynet.sf.saxon.expr.BinaryExpression
          extended bynet.sf.saxon.expr.ArithmeticExpression
              extended bynet.sf.saxon.expr.ArithmeticExpression.DurationAddition
All Implemented Interfaces:
Container, Expression, InstructionInfoProvider, java.io.Serializable, javax.xml.transform.SourceLocator
Enclosing class:
ArithmeticExpression

public static class ArithmeticExpression.DurationAddition
extends ArithmeticExpression

Inner class to handle addition and subtraction of two durations

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.DurationAddition(Expression p1, int operator, Expression p2)
           
 
Method Summary
static Item doArithmetic(Expression operand0, int operator, Expression operand1, XPathContext context)
           
 Item evaluateItem(XPathContext context)
          Evaluate the expression.
 
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.DurationAddition

public ArithmeticExpression.DurationAddition(Expression p1,
                                             int operator,
                                             Expression p2)
Method Detail

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)
                         throws XPathException
Throws:
XPathException