org.apache.xpath.operations
Class Plus
- ExpressionNode, ExpressionOwner, java.io.Serializable, SourceLocator, XPathVisitable
The '+' operation expression executer.
callVisitors , canTraverseOutsideSubtree , deepEquals , execute , fixupVariables , getExpression , getLeftOperand , getRightOperand , operate , setExpression , setLeftRight |
asIterator , asIteratorRaw , asNode , assertion , bool , canTraverseOutsideSubtree , deepEquals , error , execute , execute , execute , execute , executeCharsToContentHandler , exprAddChild , exprGetChild , exprGetNumChildren , exprGetParent , exprSetParent , fixupVariables , getColumnNumber , getExpressionOwner , getLineNumber , getPublicId , getSystemId , isNodesetExpr , isStableNumber , num , warn , xstr |
num
public double num(XPathContext xctxt)
throws javax.xml.transform.TransformerException
Evaluate this operation directly to a double.
- num in interface Expression
xctxt
- The runtime execution context.
- The result of the operation as a double.
operate
public XObject operate(XObject left,
XObject right)
throws javax.xml.transform.TransformerException
Apply the operation to two operands, and return the result.
- operate in interface Operation
left
- non-null reference to the evaluated left operand.right
- non-null reference to the evaluated right operand.
- non-null reference to the XObject that represents the result of the operation.
Copyright B) 2006 Apache XML Project. All Rights Reserved.