|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectnet.sf.saxon.expr.ComputedExpression
net.sf.saxon.expr.BinaryExpression
net.sf.saxon.expr.ArithmeticExpression
Arithmetic Expression: an expression using one of the operators plus, minus, multiply, div, idiv, mod.
Nested Class Summary | |
static class |
ArithmeticExpression.DateAndDuration
Inner class to handle addition or subtraction of a Date (or Time, or DateTime) and a Duration |
static class |
ArithmeticExpression.DateDifference
Inner class to handle subtraction of a Date (or Time, or DateTime) from another, to return a Duration |
static class |
ArithmeticExpression.DurationAddition
Inner class to handle addition and subtraction of two durations |
static class |
ArithmeticExpression.DurationDivision
Inner class to handle division of two durations to give a number |
static class |
ArithmeticExpression.DurationMultiplication
Inner class to handle multiplication (or division) of a duration by a number |
static class |
ArithmeticExpression.NumericArithmetic
Inner class to handle numeric arithmetic expressions |
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(Expression p1,
int operator,
Expression p2)
|
Method Summary | |
Item |
evaluateItem(XPathContext context)
Evaluate the expression. |
ItemType |
getItemType(TypeHierarchy th)
Determine the data type of the expression, if this is known statically |
Expression |
typeCheck(StaticContext env,
ItemType contextItemType)
Type-check the expression statically. |
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 java.lang.Object |
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public ArithmeticExpression(Expression p1, int operator, Expression p2)
Method Detail |
public Expression typeCheck(StaticContext env, ItemType contextItemType) throws XPathException
typeCheck
in interface Expression
typeCheck
in class BinaryExpression
XPathException
public ItemType getItemType(TypeHierarchy th)
th
-
public Item evaluateItem(XPathContext context) throws XPathException
evaluateItem
in interface Expression
evaluateItem
in class ComputedExpression
context
- The context in which the expression is to be evaluated
XPathException
- if any dynamic error occurs evaluating the
expression
|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |