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baseten / Sources / PGTSForeignKeyDescription.h

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//
// PGTSForeignKeyDescription.h
// BaseTen
//
// Copyright (C) 2006 Marko Karppinen & Co. LLC.
//
// Before using this software, please review the available licensing options
// by visiting http://www.karppinen.fi/baseten/licensing/ or by contacting
// us at sales@karppinen.fi. 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
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// 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 "PGTSAbstractDescription.h"
#import "PGTSConstants.h"

@class PGTSConnection;
@class PGTSTableDescription;


@protocol PGTSForeignKeyDescription
- (NSArray *) sourceFields;
- (NSArray *) referenceFields;
#if 0
- (PGTSTableDescription *) sourceTable;
- (PGTSTableDescription *) referenceTable;
#endif
@end


@interface PGTSForeignKeyDescriptionProxy : PGTSAbstractDescriptionProxy <PGTSForeignKeyDescription>
{
}
@end


@interface PGTSForeignKeyDescription : PGTSAbstractDescription <PGTSForeignKeyDescription>
{
    NSArray* mSourceFields;
    NSArray* mReferenceFields;
	enum PGTSDeleteRule mDeleteRule;
}

- (id) initWithName: (NSString *) aName sourceFields: (NSArray *) sFields referenceFields: (NSArray *) rFields;
- (enum PGTSDeleteRule) deleteRule;

- (void) setDeleteRule: (const unichar) rule;
@end