org.apache.xpath.operations
Class Equals
java.lang.Object
org.apache.xpath.Expression
org.apache.xpath.operations.Operation
org.apache.xpath.operations.Equals
- All Implemented Interfaces:
- Serializable, SourceLocator, ExpressionNode, ExpressionOwner, XPathVisitable
public class Equals
- extends Operation
The '=' operation expression executer.
- See Also:
- Serialized Form
Method Summary |
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. |
Methods inherited from class org.apache.xpath.Expression |
asIterator, asIteratorRaw, asNode, assertion, error, execute, execute, execute, executeCharsToContentHandler, exprAddChild, exprGetChild, exprGetNumChildren, exprGetParent, exprSetParent, getColumnNumber, getExpressionOwner, getLineNumber, getPublicId, getSystemId, isNodesetExpr, isStableNumber, num, warn, xstr |
Equals
public Equals()
operate
public XObject operate(XObject left,
XObject right)
throws TransformerException
- Apply the operation to two operands, and return the result.
- Overrides:
operate
in class Operation
- Parameters:
left
- non-null reference to the evaluated left operand.right
- non-null reference to the evaluated right operand.
- Returns:
- non-null reference to the XObject that represents the result of the operation.
- Throws:
TransformerException
bool
public boolean bool(XPathContext xctxt)
throws TransformerException
- Execute a binary operation by calling execute on each of the operands,
and then calling the operate method on the derived class.
- Overrides:
bool
in class Expression
- Parameters:
xctxt
- The runtime execution context.
- Returns:
- The XObject result of the operation.
- Throws:
TransformerException
Copyright ? 2006 Apache XML Project. All Rights Reserved.