/**
* AND two expressions and return the boolean result. Override superclass method for optimization
* purposes.
*
* @param xctxt The runtime execution context.
* @return {@link com.sun.org.apache.xpath.internal.objects.XBoolean#S_TRUE} or {@link
* com.sun.org.apache.xpath.internal.objects.XBoolean#S_FALSE}.
* @throws javax.xml.transform.TransformerException
*/
public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException {
XObject expr1 = m_left.execute(xctxt);
if (expr1.bool()) {
XObject expr2 = m_right.execute(xctxt);
return expr2.bool() ? XBoolean.S_TRUE : XBoolean.S_FALSE;
} else return XBoolean.S_FALSE;
}
