Package org.apache.xpath.operations
Class Equals
- 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.Equals
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- All Implemented Interfaces:
java.io.Serializable
,javax.xml.transform.SourceLocator
,ExpressionNode
,ExpressionOwner
,XPathVisitable
public class Equals extends Operation
The '=' operation expression executer.- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description Equals()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description 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.operations.Operation
callVisitors, canTraverseOutsideSubtree, deepEquals, execute, fixupVariables, getExpression, getLeftOperand, getRightOperand, setExpression, setLeftRight
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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
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Method Detail
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operate
public XObject operate(XObject left, XObject right) throws javax.xml.transform.TransformerException
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:
javax.xml.transform.TransformerException
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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.- Overrides:
bool
in classExpression
- Parameters:
xctxt
- The runtime execution context.- Returns:
- The XObject result of the operation.
- Throws:
javax.xml.transform.TransformerException
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