Package org.apache.xpath.operations
Class And
- 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.And
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- All Implemented Interfaces:
java.io.Serializable
,javax.xml.transform.SourceLocator
,ExpressionNode
,ExpressionOwner
,XPathVisitable
public class And extends Operation
The 'and' operation expression executer.- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description And()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
bool(XPathContext xctxt)
Evaluate this operation directly to a boolean.XObject
execute(XPathContext xctxt)
AND two expressions and return the boolean result.-
Methods inherited from class org.apache.xpath.operations.Operation
callVisitors, canTraverseOutsideSubtree, deepEquals, fixupVariables, getExpression, getLeftOperand, getRightOperand, operate, 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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execute
public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException
AND two expressions and return the boolean result. Override superclass method for optimization purposes.- Overrides:
execute
in classOperation
- Parameters:
xctxt
- The runtime execution context.- Returns:
XBoolean.S_TRUE
orXBoolean.S_FALSE
.- Throws:
javax.xml.transform.TransformerException
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bool
public boolean bool(XPathContext xctxt) throws javax.xml.transform.TransformerException
Evaluate this operation directly to a boolean.- Overrides:
bool
in classExpression
- Parameters:
xctxt
- The runtime execution context.- Returns:
- The result of the operation as a boolean.
- Throws:
javax.xml.transform.TransformerException
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