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/* -*-objc-*-
EOSharedEditingContext.h
Copyright (C) 2005 Free Software Foundation, Inc.
Author: David Ayers <ayers@fsfe.org>
Date: November 2005
This file is part of the GNUstep Database Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 3 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; see the file COPYING.LIB.
If not, write to the Free Software Foundation,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef __EOSharedEditingContext_h__
#define __EOSharedEditingContext_h__
#include <EOControl/EOEditingContext.h>
#include <EOControl/EODefines.h>
@class NSString;
@class NSArray;
@class NSMutableArray;
@class NSDictionary;
@class NSMutableDictionary;
@class NSUndoManager;
@class EOMultiReaderLock;
@class EOFetchSpecification;
@class EOGlobalID;
GDL2CONTROL_EXPORT
NSString *EODefaultSharedEditingContextWasInitializedNotification;
GDL2CONTROL_EXPORT
NSString *EOSharedEditingContextInitializedObjectsNotification;
@interface EOSharedEditingContext : EOEditingContext
{
NSRecursiveLock *_sharedLock; /* FIXME: Use EOMultiReaderLock. */
int _readerLockCount;
int _readerLockCountSuspended;
NSMutableArray *_initializedGlobalIDs;
NSMutableDictionary *_objsByEntity;
NSMutableDictionary *_objsByEntityFetchSpec;
}
+ (EOSharedEditingContext *)defaultSharedEditingContext;
+ (void)setDefaultSharedEditingContext: (EOSharedEditingContext *)context;
- (NSDictionary *)objectsByEntityName;
- (NSDictionary *)objectsByEntityNameAndFetchSpecificationName;
- (void)bindObjectsWithFetchSpecification: (EOFetchSpecification *)fetchSpec
toName: (NSString *)name;
- (void)lockForReading;
- (void)unlockForReading;
- (BOOL)tryLockForReading;
- (void)suspendReaderLocks;
- (void)retrieveReaderLocks;
- (NSArray *)objectsWithFetchSpecification: (EOFetchSpecification *)fetchSpec
editingContext: (EOEditingContext *)context;
- (EOSharedEditingContext *)sharedEditingContext;
- (void)setSharedEditingContext: (EOSharedEditingContext *)sharedContext;
- (void)reset;
- (void)setUndoManager: (NSUndoManager *)undoManager;
- (id)objectForGlobalID: (EOGlobalID *)globalID;
- (id)faultForGlobalID: (EOGlobalID *)globalID
editingContext: (EOEditingContext *)context;
- (void)refaultObject: (id)object
withGlobalID: (EOGlobalID *)globalID
editingContext: (EOEditingContext *)context;
- (NSArray *)updatedObjects;
- (NSArray *)insertedObjects;
- (NSArray *)deletedObjects;
- (BOOL)hasChanges;
- (void)validateChangesForSave;
- (NSArray *)registeredObjects;
- (void)objectWillChange: (id)object;
- (void)insertObject: (id)object;
- (void)deleteObject: (id)object;
- (void)saveChanges;
@end
#endif
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