Package 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
The '=' operation expression executer.
- See Also:
-
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionboolean
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.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, error, execute, execute, execute, executeCharsToContentHandler, exprAddChild, exprGetChild, exprGetNumChildren, exprGetParent, exprSetParent, getColumnNumber, getExpressionOwner, getLineNumber, getPublicId, getSystemId, isNodesetExpr, isStableNumber, num, warn, xstr
-
Constructor Details
-
Equals
public Equals()
-
-
Method Details
-
operate
Apply the operation to two operands, and return the result.- Overrides:
operate
in classOperation
- 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
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 classExpression
- Parameters:
xctxt
- The runtime execution context.- Returns:
- The XObject result of the operation.
- Throws:
TransformerException
-