org.basex.query.xquery.expr
Class Try
java.lang.Object
org.basex.query.ExprInfo
org.basex.query.xquery.expr.Expr
org.basex.query.xquery.expr.Arr
org.basex.query.xquery.expr.Try
public final class Try
- extends Arr
Project specific try/catch expression.
- Author:
- Workgroup DBIS, University of Konstanz 2005-08, ISC License, Christian Gruen
Fields inherited from class org.basex.query.xquery.expr.Arr |
expr |
Methods inherited from class org.basex.query.xquery.expr.Expr |
e, i |
Methods inherited from class java.lang.Object |
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Try
public Try(Expr tr,
Expr ct,
Var v1,
Var v2)
- Constructor.
- Parameters:
tr
- try expressionct
- catch expressionv1
- first variablev2
- second variable
comp
public Expr comp(XQContext ctx)
- Description copied from class:
Expr
- Optimizes and compiles the expression.
- Overrides:
comp
in class Arr
- Parameters:
ctx
- query context
- Returns:
- optimized Expression
iter
public Iter iter(XQContext ctx)
throws XQException
- Description copied from class:
Expr
- Evaluates the expression and returns an iterator on the resulting items.
- Specified by:
iter
in class Expr
- Parameters:
ctx
- query context
- Returns:
- resulting item
- Throws:
XQException
- evaluation exception
toString
public java.lang.String toString()
- Specified by:
toString
in class ExprInfo