org.basex.query.func
Class FNSeq
java.lang.Object
org.basex.query.ExprInfo
org.basex.query.expr.Expr
org.basex.query.expr.Arr
org.basex.query.func.Fun
org.basex.query.func.FNSeq
public final class FNSeq
- extends Fun
Sequence functions.
- Author:
- Workgroup DBIS, University of Konstanz 2005-10, ISC License, Christian Gruen
Nested classes/interfaces inherited from class org.basex.query.expr.Expr |
Expr.Use |
Fields inherited from class org.basex.query.func.Fun |
func |
Fields inherited from class org.basex.query.expr.Arr |
expr |
Constructor Summary |
FNSeq()
|
Method Summary |
Item |
atomic(QueryContext ctx)
Evaluates the expression and returns the resulting item or
a null reference. |
static boolean |
deep(Iter iter1,
Iter iter2)
Checks items for deep equality. |
Iter |
iter(QueryContext ctx)
Evaluates the expression and returns an iterator on the resulting items. |
Methods inherited from class org.basex.query.expr.Expr |
addText, checkCtx, checkDbl, checkItr, e, ebv, i, indexAccessible, sameAs, size, test, v |
FNSeq
public FNSeq()
iter
public Iter iter(QueryContext ctx)
throws QueryException
- 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 Expr
- Parameters:
ctx
- query context
- Returns:
- resulting item
- Throws:
QueryException
- query exception
atomic
public Item atomic(QueryContext ctx)
throws QueryException
- Description copied from class:
Expr
- Evaluates the expression and returns the resulting item or
a
null
reference.
If this method is not overwritten, Expr.iter(org.basex.query.QueryContext)
must be implemented.
- Overrides:
atomic
in class Expr
- Parameters:
ctx
- query context
- Returns:
- iterator
- Throws:
QueryException
- query exception
deep
public static boolean deep(Iter iter1,
Iter iter2)
throws QueryException
- Checks items for deep equality.
- Parameters:
iter1
- first iteratoriter2
- second iterator
- Returns:
- result of check
- Throws:
QueryException
- query exception