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* EOAdaptors/SQLiteAdaptor/SQLite3Context.m, * EOAdaptors/SQLiteAdaptor/SQLite3Channel.m, * EOAdaptors/SQLiteAdaptor/SQLite3Adaptor.m, * EOControl/EOPrivate.m, * EOControl/EOAggregateEvent.m, * EOAccess/EOPrivate.m: Add missing include. * EOAccess/EOAdaptor.m: Only use NSProprietaryStringEncoding where available. * Tools/gsdoc-model.m: Remove unused variables. * Tools/Makefile.preamble: Fix NATIVE_LIB_DIRS path. 2008-03-16 Matt Rice <ratmice@gmail.com * EOAccess/EOUtilities.m: Remove NSObjectNotAvailableException. Moved to base. * EOAccess/EODatabaseDataSource.m: Remove selector caching. git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gdl2/trunk@26323 72102866-910b-0410-8b05-ffd578937521
127 lines
3.5 KiB
Objective-C
127 lines
3.5 KiB
Objective-C
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/*
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SQLite3Context.m
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Copyright (C) 2006 Free Software Foundation, Inc.
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Author: Matt Rice <ratmice@gmail.com>
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Date: 2006
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This file is part of the GNUstep Database Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 3 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; see the file COPYING.LIB.
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If not, write to the Free Software Foundation,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <GNUstepBase/GNUstep.h>
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#include "SQLite3Adaptor.h"
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#include "SQLite3Context.h"
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#include "SQLite3Channel.h"
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@implementation SQLite3Context
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- (EOAdaptorChannel *)createAdaptorChannel
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{
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return AUTORELEASE([[SQLite3Channel alloc] initWithAdaptorContext:self]);
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}
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- (void)beginTransaction
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{
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int i, c;
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NSAssert(![self transactionNestingLevel], @"nested transactions unsupported");
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NSAssert([self hasOpenChannels], @"no open channels");
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NSAssert(![self hasBusyChannels], @"busy channels during commit.");
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if (_delegateRespondsTo.shouldBegin)
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{
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NSAssert([_delegate adaptorContextShouldBegin: self],
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@"delegate refuses");
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}
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for (i = 0, c = [_channels count]; i < c; i++)
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{
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id channel = [[_channels objectAtIndex:i] nonretainedObjectValue];
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if ([channel isOpen])
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{
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[channel evaluateExpression:
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[EOSQLExpression expressionForString:@"BEGIN TRANSACTION"]];
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break;
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}
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}
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[self transactionDidBegin];
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if (_delegateRespondsTo.didBegin)
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[_delegate adaptorContextDidBegin: self];
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}
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- (void) commitTransaction
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{
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int i, c;
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NSAssert([self hasOpenTransaction], @"No open transactions to commit");
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NSAssert(![self hasBusyChannels], @"busy channels during commit");
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if (_delegateRespondsTo.shouldCommit)
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NSAssert([_delegate adaptorContextShouldCommit:self], @"delegate refuses to commit");
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for (i = 0, c = [_channels count]; i < c; i++)
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{
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id channel = [[_channels objectAtIndex:i] nonretainedObjectValue];
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if ([channel isOpen])
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{
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[channel evaluateExpression:
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[EOSQLExpression expressionForString:@"COMMIT TRANSACTION"]];
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break;
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}
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}
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[self transactionDidCommit];
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if (_delegateRespondsTo.didCommit)
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[_delegate adaptorContextDidCommit: self];
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}
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- (void) rollbackTransaction
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{
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int i, c;
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NSAssert([self hasOpenTransaction], @"No open transactions to rollback");
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NSAssert(![self hasBusyChannels], @"busy channels during rollback");
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if (_delegateRespondsTo.shouldRollback)
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NSAssert([_delegate adaptorContextShouldRollback:self], @"delegate refuses to rollback");
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for (i = 0, c = [_channels count]; i < c; i++)
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{
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id channel = [[_channels objectAtIndex:i] nonretainedObjectValue];
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if ([channel isOpen])
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{
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[channel evaluateExpression:
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[EOSQLExpression expressionForString:@"ROLLBACK TRANSACTION"]];
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break;
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}
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}
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[self transactionDidCommit];
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if (_delegateRespondsTo.didRollback)
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[_delegate adaptorContextDidRollback: self];
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}
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@end
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