mirror of
https://github.com/gnustep/libs-gdl2.git
synced 2025-02-14 23:51:40 +00:00
9720ac993d
* DB2Modeler/COPYING: Update to GPL 3. * *.*: Update copyright notices. git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gdl2/trunk@25326 72102866-910b-0410-8b05-ffd578937521
145 lines
3.8 KiB
Objective-C
145 lines
3.8 KiB
Objective-C
/* -*-objc-*-
|
|
EOAdaptorContext.h
|
|
|
|
Copyright (C) 2000,2002,2003,2004,2005 Free Software Foundation, Inc.
|
|
|
|
Author: Mirko Viviani <mirko.viviani@gmail.com>
|
|
Date: February 2000
|
|
|
|
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 __EOAdaptorContext_h__
|
|
#define __EOAdaptorContext_h__
|
|
|
|
#ifdef GNUSTEP
|
|
#include <Foundation/NSString.h>
|
|
#else
|
|
#include <Foundation/Foundation.h>
|
|
#endif
|
|
|
|
#include <EOAccess/EODefines.h>
|
|
|
|
|
|
@class NSMutableArray;
|
|
@class NSString;
|
|
|
|
@class EOAdaptor;
|
|
@class EOAdaptorChannel;
|
|
|
|
|
|
typedef enum {
|
|
EODelegateRejects,
|
|
EODelegateApproves,
|
|
EODelegateOverrides
|
|
} EODelegateResponse;
|
|
|
|
/* 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
|
|
|
|
unsigned short _transactionNestingLevel;
|
|
BOOL _debug;
|
|
|
|
/* Flags used to check if the delegate responds to several messages */
|
|
struct {
|
|
unsigned shouldConnect:1;
|
|
unsigned shouldBegin:1;
|
|
unsigned didBegin:1;
|
|
unsigned shouldCommit:1;
|
|
unsigned didCommit:1;
|
|
unsigned shouldRollback:1;
|
|
unsigned didRollback:1;
|
|
} _delegateRespondsTo;
|
|
}
|
|
|
|
+ (EOAdaptorContext *)adaptorContextWithAdaptor: (EOAdaptor *)adaptor;
|
|
|
|
- (id)initWithAdaptor: (EOAdaptor *)adaptor;
|
|
|
|
- (EOAdaptor *)adaptor;
|
|
|
|
- (EOAdaptorChannel *)createAdaptorChannel; // override
|
|
|
|
- (NSArray *)channels;
|
|
- (BOOL)hasOpenChannels;
|
|
- (BOOL)hasBusyChannels;
|
|
|
|
- (id)delegate;
|
|
- (void)setDelegate: (id)delegate;
|
|
|
|
- (void)handleDroppedConnection;
|
|
|
|
@end
|
|
|
|
|
|
@interface EOAdaptorContext (EOTransactions)
|
|
|
|
- (void)beginTransaction;
|
|
- (void)commitTransaction;
|
|
- (void)rollbackTransaction;
|
|
|
|
- (void)transactionDidBegin;
|
|
- (void)transactionDidCommit;
|
|
- (void)transactionDidRollback;
|
|
|
|
- (BOOL)hasOpenTransaction;
|
|
|
|
- (BOOL)canNestTransactions; // override
|
|
- (unsigned)transactionNestingLevel;
|
|
|
|
+ (void)setDebugEnabledDefault: (BOOL)flag;
|
|
+ (BOOL)debugEnabledDefault;
|
|
- (void)setDebugEnabled: (BOOL)debugEnabled;
|
|
- (BOOL)isDebugEnabled;
|
|
|
|
@end /* EOAdaptorContext (EOTransactions) */
|
|
|
|
|
|
@interface EOAdaptorContext(Private)
|
|
|
|
- (void)_channelDidInit: (id)channel;
|
|
- (void)_channelWillDealloc: (id)channel;
|
|
|
|
@end
|
|
|
|
|
|
@interface NSObject (EOAdaptorContextDelegation)
|
|
|
|
- (BOOL)adaptorContextShouldConnect: (id)context;
|
|
- (BOOL)adaptorContextShouldBegin: (id)context;
|
|
- (void)adaptorContextDidBegin: (id)context;
|
|
- (BOOL)adaptorContextShouldCommit: (id)context;
|
|
- (void)adaptorContextDidCommit: (id)context;
|
|
- (BOOL)adaptorContextShouldRollback: (id)context;
|
|
- (void)adaptorContextDidRollback: (id)context;
|
|
|
|
@end /* NSObject(EOAdaptorContextDelegate) */
|
|
|
|
GDL2ACCESS_EXPORT NSString *EOAdaptorContextBeginTransactionNotification;
|
|
GDL2ACCESS_EXPORT NSString *EOAdaptorContextCommitTransactionNotification;
|
|
GDL2ACCESS_EXPORT NSString *EOAdaptorContextRollbackTransactionNotification;
|
|
|
|
#endif /* __EOAdaptorContext_h__*/
|