Package org.loboevolution.apache.xpath.operations

Class And

java.lang.Object

org.loboevolution.apache.xpath.Expression

org.loboevolution.apache.xpath.operations.Operation

org.loboevolution.apache.xpath.operations.And

All Implemented Interfaces:

SourceLocator, ExpressionNode, XPathVisitable

public class And
extends Operation

The 'and' operation expression executor.

Field Summary

Fields inherited from class org.loboevolution.apache.xpath.operations.Operation

m_left, m_right

Constructor Summary

Constructors

Constructor	Description
And()

Method Summary

Modifier and Type	Method	Description
boolean	bool(XPathContext xctxt)	Evaluate expression to a boolean.
XObject	execute(XPathContext xctxt)	Execute an expression in the XPath runtime context, and return the result of the expression.

Methods inherited from class org.loboevolution.apache.xpath.operations.Operation

callVisitors, canTraverseOutsideSubtree, deepEquals, operate, setLeftRight

Methods inherited from class org.loboevolution.apache.xpath.Expression

asIterator, asNode, assertion, error, execute, execute, execute, exprGetParent, exprSetParent, getColumnNumber, getExpressionOwner, getLineNumber, getPublicId, getSystemId, isSameClass, isStableNumber, num

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

And

public And()

Method Details

execute

public XObject execute(XPathContext xctxt)
                throws TransformerException

Execute an expression in the XPath runtime context, and return the result of the expression.

Overrides:

execute in class Operation

Parameters:

xctxt - The XPath runtime context.

Returns:

The result of the expression in the form of a XObject.

Throws:

TransformerException - if a runtime exception occurs.

bool

public boolean bool(XPathContext xctxt)
             throws TransformerException

Evaluate expression to a boolean.

Overrides:

bool in class Expression

Parameters:

xctxt - The XPath runtime context.

Returns:

false

Throws:

TransformerException - if any