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java.lang.Object
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+--org.apache.xpath.Expression
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+--org.apache.xpath.operations.Operation
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+--org.apache.xpath.operations.Plus
The '+' operation expression executer.
| Constructor Summary | |
Plus()
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|
| Method Summary | |
double |
num(XPathContext xctxt)
Evaluate this operation directly to a double. |
XObject |
operate(XObject left,
XObject right)
Apply the operation to two operands, and return the result. |
| Methods inherited from class org.apache.xpath.operations.Operation |
callVisitors,
canTraverseOutsideSubtree,
deepEquals,
execute,
fixupVariables,
getExpression,
getLeftOperand,
getRightOperand,
setExpression,
setLeftRight |
| Methods inherited from class org.apache.xpath.Expression |
asIterator,
asIteratorRaw,
asNode,
assertion,
bool,
error,
execute,
execute,
execute,
executeCharsToContentHandler,
exprAddChild,
exprGetChild,
exprGetNumChildren,
exprGetParent,
exprSetParent,
getColumnNumber,
getExpressionOwner,
getLineNumber,
getPublicId,
getSystemId,
isNodesetExpr,
isStableNumber,
warn,
xstr |
| Methods inherited from class java.lang.Object |
equals,
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait |
| Constructor Detail |
public Plus()
| Method Detail |
public XObject operate(XObject left,
XObject right)
throws TransformerException
left - non-null reference to the evaluated left operand.right - non-null reference to the evaluated right operand.
public double num(XPathContext xctxt)
throws TransformerException
xctxt - The runtime execution context.
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