org.apache.xpath.operations
Class Equals
- ExpressionNode, ExpressionOwner, java.io.Serializable, SourceLocator, XPathVisitable
The '=' operation expression executer.
boolean | bool(XPathContext xctxt) - Execute a binary operation by calling execute on each of the operands,
and then calling the operate method on the derived class.
|
XObject | operate(XObject left, XObject right) - Apply the operation to two operands, and return the result.
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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 |
bool
public boolean bool(XPathContext xctxt)
throws javax.xml.transform.TransformerException
Execute a binary operation by calling execute on each of the operands,
and then calling the operate method on the derived class.
- bool in interface Expression
xctxt
- The runtime execution context.
- The XObject result of the operation.
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) 2005 Apache XML Project. All Rights Reserved.