baseten / Sources / BXManyToManyRelationshipDescription.h

// BXManyToManyRelationshipDescription.h
// BaseTen
// Copyright (C) 2006-2008 Marko Karppinen & Co. LLC.
// Before using this software, please review the available licensing options
// by visiting or by contacting
// us at Without an additional license, this software
// may be distributed only in compliance with the GNU General Public License.
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License, version 2.0,
// as published by the Free Software Foundation.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
// $Id$

#import <Foundation/Foundation.h>
#import <BaseTen/BXRelationshipDescription.h>

@class BXDatabaseObject;
@class BXPGHelperTableRelationshipFromItem;
@protocol BXPGRelationshipVisitor;

@interface BXManyToManyRelationshipDescription : BXRelationshipDescription 
	id <BXForeignKey> mDstForeignKey;
	BXEntityDescription* mHelperEntity;

- (id <BXForeignKey>) dstForeignKey;
- (void) setDstForeignKey: (id <BXForeignKey>) aKey;
- (BXEntityDescription *) helperEntity;
- (void) setHelperEntity: (BXEntityDescription *) anEntity;
- (NSPredicate *) filterPredicateFor: (BXDatabaseObject *) object;
- (void) iterateForeignKey: (void (*)(NSString*, NSString*, void*)) callback context: (void *) ctx;
- (void) iterateDstForeignKey: (void (*)(NSString*, NSString*, void*)) callback context: (void *) ctx;

@interface BXManyToManyRelationshipDescription (BXPGRelationAliasMapper)
- (id) BXPGVisitRelationship: (id <BXPGRelationshipVisitor>) visitor fromItem: (BXPGHelperTableRelationshipFromItem *) fromItem;
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