Пример #1
0
 /**
  * Check to ensure that this expression does not contain any inappropriate updating
  * subexpressions. This check is overridden for those expressions that permit updating
  * subexpressions.
  *
  * @throws net.sf.saxon.trans.XPathException if the expression has a non-permitted updateing
  *     subexpression
  */
 public void checkForUpdatingSubexpressions() throws XPathException {
   sequence.checkForUpdatingSubexpressions();
   if (sequence.isUpdatingExpression()) {
     XPathException err =
         new XPathException(
             "An updating expression cannot be used to initialize a variable", "XUST0001");
     err.setLocator(sequence);
     throw err;
   }
   action.checkForUpdatingSubexpressions();
 }
Пример #2
0
 /**
  * Determine whether this is an updating expression as defined in the XQuery update specification
  *
  * @return true if this is an updating expression
  */
 public boolean isUpdatingExpression() {
   return action.isUpdatingExpression();
 }