/usr/include/GNUstep/GDLAccess/EOAdaptorContext.h is in libsope-dev 2.2.17-1build2.
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EOAdaptorContext.h
Copyright (C) 1996 Free Software Foundation, Inc.
Author: Ovidiu Predescu <ovidiu@bx.logicnet.ro>
Date: October 1996
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 2 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,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __EOAdaptorContext_h__
#define __EOAdaptorContext_h__
#import <Foundation/NSObject.h>
@class NSArray, NSMutableArray;
@class EOAdaptor;
@class EOAdaptorChannel;
/* The EOAdaptorContext class could be overriden for a concrete database
adaptor. You have to override only those methods marked in this header
with `override'.
*/
@interface EOAdaptorContext : NSObject
{
EOAdaptor *adaptor;
NSMutableArray *channels; // values with channels
id delegate; // not retained
int transactionNestingLevel;
/* Flags used to check if the delegate responds to several messages */
struct {
BOOL willBegin:1;
BOOL didBegin:1;
BOOL willCommit:1;
BOOL didCommit:1;
BOOL willRollback:1;
BOOL didRollback:1;
} delegateRespondsTo;
}
/* Initializing an adaptor context */
- (id)initWithAdaptor:(EOAdaptor*)adaptor;
/* Setting and getting the adaptor */
- (EOAdaptor*)adaptor;
/* Creating a new channel */
- (EOAdaptorChannel*)createAdaptorChannel; // override
- (NSArray *)channels;
/* Checking connection status */
- (BOOL)hasOpenChannels;
/* Finding open channels */
- (BOOL)hasBusyChannels;
/* Controlling transactions */
- (BOOL)beginTransaction;
- (BOOL)commitTransaction;
- (BOOL)rollbackTransaction;
/* Notifying of other transactions */
- (void)transactionDidBegin;
- (void)transactionDidCommit;
- (void)transactionDidRollback;
/* Nesting transactions */
- (BOOL)canNestTransactions; // override, deprecated
- (unsigned)transactionNestingLevel; // deprecated
- (BOOL)hasOpenTransaction; // new in WO 4.5
/* Setting the delegate */
- (id)delegate;
- (void)setDelegate:(id)aDelegate;
/* Primary methods that control the transactions. This methods dont't call the
delegate. You should implement these methods instead of the similar ones but
without the `primary' prefix. */
- (BOOL)primaryBeginTransaction; // override
- (BOOL)primaryCommitTransaction; // override
- (BOOL)primaryRollbackTransaction; // override
@end /* EOAdaptorContext*/
@interface EOAdaptorContext(Private)
- (void)channelDidInit:(id)aChannel;
- (void)channelWillDealloc:(id)aChannel;
@end
#import <GDLAccess/EODelegateResponse.h>
@interface NSObject(EOAdaptorContextDelegate)
- (EODelegateResponse)adaptorContextWillBegin:(id)aContext;
- (void)adaptorContextDidBegin:(id)aContext;
- (EODelegateResponse)adaptorContextWillCommit:(id)aContext;
- (void)adaptorContextDidCommit:(id)aContext;
- (EODelegateResponse)adaptorContextWillRollback:(id)aContext;
- (void)adaptorContextDidRollback:(id)aContext;
@end /* NSObject(EOAdaptorContextDelegate) */
#endif /* __EOAdaptorContext_h__*/
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