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/* HBDistributedArray.h $
This file is part of the HandBrake source code.
Homepage: <http://handbrake.fr/>.
It may be used under the terms of the GNU General Public License. */
#import <Cocoa/Cocoa.h>
extern NSString *HBDistributedArrayChanged;
/**
* Objects in HBDistributedArray
* must implement this protocol.
*/
@protocol HBUniqueObject <NSObject>
@property (nonatomic, readonly) NSString *uuid;
@end
typedef NS_ENUM(NSUInteger, HBDistributedArrayContent) {
HBDistributedArrayContentAcquired,
HBDistributedArrayContentReload,
};
/**
* HBDistributedArray
* a mutable array that share its content between processes.
* post a HBDistributedArrayChanged when the content is changed
* by another process.
*
* Use beginTransaction and commit to wrap atomic changes to the array.
*
* It is safe to keep a reference to an array object.
*/
@interface HBDistributedArray : NSMutableArray
- (instancetype)initWithURL:(NSURL *)fileURL;
/**
* Begins a transaction on the array
*
* @return whether the array content changes or not after beginning the transaction.
*/
- (HBDistributedArrayContent)beginTransaction;
/**
* Commit the changes and notify
* the observers about the changes.
*/
- (void)commit;
@end
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