Files
OCCT/src/Expr/Expr_RelationIterator.cdl
2012-03-05 19:23:40 +04:00

48 lines
1010 B
Plaintext
Executable File

-- File: RelationIterator.cdl
-- Created: Mon Jan 14 10:02:45 1991
-- Author: Arnaud BOUZY
-- <adn@topsn3>
---Copyright: Matra Datavision 1991
class RelationIterator from Expr
---Purpose: Iterates on every basic relation contained in
-- a GeneralRelation.
---Level : Internal
uses GeneralRelation from Expr,
SingleRelation from Expr,
Array1OfSingleRelation from Expr
raises NoMoreObject from Standard,
NoSuchObject from Standard
is
Create(rel : GeneralRelation)
returns RelationIterator;
More(me)
---Purpose: Returns False if no other relation remains.
returns Boolean
is static;
Next(me : in out)
raises NoMoreObject
is static;
Value(me)
---Purpose: Returns current basic relation.
-- Exception is raised if no more relation remains.
returns SingleRelation
raises NoSuchObject
is static;
fields
myRelation : Array1OfSingleRelation;
current : Integer;
end RelationIterator;