org.basex.query.expr
Class IterPred
java.lang.Object
org.basex.query.ExprInfo
org.basex.query.expr.Expr
org.basex.query.expr.Preds
org.basex.query.expr.Pred
org.basex.query.expr.IterPred
public final class IterPred
- extends Pred
Iterative predicate expression. Supports one predicate.
- Author:
- Workgroup DBIS, University of Konstanz 2005-10, ISC License, Dennis Stratmann
Nested classes/interfaces inherited from class org.basex.query.expr.Expr |
Expr.Use |
Fields inherited from class org.basex.query.expr.Preds |
pred |
Method Summary |
Iter |
iter(QueryContext ctx)
Evaluates the expression and returns an iterator on the resulting items. |
Methods inherited from class org.basex.query.expr.Preds |
color |
Methods inherited from class org.basex.query.expr.Expr |
addText, atomic, checkCtx, checkDbl, checkItr, duplicates, e, ebv, i, indexAccessible, indexEquivalent, returned, sameAs, size, test, v |
IterPred
public IterPred(Expr r,
Expr[] p,
Pos ps,
boolean l)
- Constructor.
- Parameters:
r
- root expressionp
- predicateps
- position predicate; may equal the first predicatel
- true if predicate has a last function
iter
public Iter iter(QueryContext ctx)
- Description copied from class:
Expr
- Evaluates the expression and returns an iterator on the resulting items.
If this method is not overwritten,
Expr.atomic(org.basex.query.QueryContext)
must be implemented.
- Overrides:
iter
in class Pred
- Parameters:
ctx
- query context
- Returns:
- resulting item