libs-gscoredata/NSRelationshipDescription.h
H. Nikolaus Schaller 30c88829fc New Import
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep@25765 72102866-910b-0410-8b05-ffd578937521
2007-12-20 08:39:55 +00:00

71 lines
2.2 KiB
Objective-C

/* Interface of the NSRelationshipDescription class for the GNUstep
Core Data framework.
Copyright (C) 2005 Free Software Foundation, Inc.
Written by: Saso Kiselkov <diablos@manga.sk>
Date: August 2005
This file is part of the GNUstep Core Data framework.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111 USA.
*/
#ifndef _NSRelationshipDescription_h_
#define _NSRelationshipDescription_h_
#import <CoreData/NSPropertyDescription.h>
typedef enum {
NSNoActionDeleteRule,
NSNullifyDeleteRule,
NSCascadeDeleteRule,
NSDenyDeleteRule
} NSDeleteRule;
@class NSEntityDescription;
@interface NSRelationshipDescription : NSPropertyDescription
{
NSEntityDescription * _destinationEntity;
NSDeleteRule _deleteRule;
// weak reference
NSRelationshipDescription * _inverseRelationship;
int _minCount, _maxCount;
}
// Getting and setting the destination entity.
- (NSEntityDescription *) destinationEntity;
- (void) setDestinationEntity: (NSEntityDescription *) anEntityDescription;
// Getting and setting the inverse relationship.
- (NSRelationshipDescription *) inverseRelationship;
- (void) setInverseRelationship: (NSRelationshipDescription *)
aRelationshipDescription;
// Getting and setting the delete rule.
- (NSDeleteRule) deleteRule;
- (void) setDeleteRule: (NSDeleteRule) aDeleteRule;
// Controlling cardinality.
- (int) minCount;
- (void) setMinCount: (int) aCount;
- (int) maxCount;
- (void) setMaxCount: (int) aCount;
- (BOOL) isToMany;
@end
#endif // _NSRelationshipDescription_h_