//

//  MYVersionDictionary.h

//  Ottoman

//

//  Created by Jens Alfke on 9/21/09.

//  Copyright 2009 Jens Alfke. All rights reserved.

//

#import <Foundation/NSDictionary.h>

#ifdef __cplusplus

namespace Mooseyard {

    class OverlayDictionary;

    class VersionDictionary;

}

#endif

/** A persistent NSDictionary embedded in a memory-mapped file, 

    representing one complete version of a MYOttoman dictionary. */

@interface MYVersionDictionary : NSDictionary

{

#ifdef __cplusplus

    const Mooseyard::VersionDictionary *_dict;

#else

    void *_dict;

#endif

}

/** The generation number. The first version in a new file is zero. */

@property (readonly) int generation;

/** The time at which this version was written to the file. */

@property (readonly) NSDate *dateCreated;

/** The previous version, before this one was saved. */

@property (readonly) MYVersionDictionary *previousVersion;

/** Is this the latest version in the file? */

@property (readonly) BOOL isLatestVersion;

@end

@interface MYCurrentVersionDictionary : NSMutableDictionary

{

#ifdef __cplusplus

    Mooseyard::OverlayDictionary *_dict;

#else

    void *_dict;

#endif

}

@end