Source

baseten / Sources / BXPGAutocommitConnectionResetRecoveryAttempter.m

//
// BXPGAutocommitConnectionResetRecoveryAttempter.m
// BaseTen
//
// Copyright (C) 2006-2008 Marko Karppinen & Co. LLC.
//
// Before using this software, please review the available licensing options
// by visiting http://basetenframework.org/licensing/ or by contacting
// us at sales@karppinen.fi. Without an additional license, this software
// may be distributed only in compliance with the GNU General Public License.
//
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License, version 2.0,
// as published by the Free Software Foundation.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
//
// $Id$
//

#import "BXPGTransactionHandler.h"
#import "BXPGAutocommitConnectionResetRecoveryAttempter.h"
#import "BXLogger.h"


@implementation BXPGAutocommitConnectionResetRecoveryAttempter
- (BOOL) doAttemptRecoveryFromError: (NSError *) error outError: (NSError **) outError
{
	ExpectR (outError, NO);
	PGTSConnection* connection = [mHandler connection];
	BOOL retval = [connection resetSync];
	if (! retval)
		*outError = [connection connectionError];

	return retval;
}


- (void) doAttemptRecoveryFromError: (NSError *) error
{
	PGTSConnection* connection = [mHandler connection];
	[connection setDelegate: self];
	[connection resetAsync];
}


- (void) PGTSConnectionFailed: (PGTSConnection *) connection
{
	[connection setDelegate: mHandler];
	NSError* error = [connection connectionError];
	[connection disconnect];
	[self attemptedRecovery: NO error: error];
}


- (void) PGTSConnectionEstablished: (PGTSConnection *) connection
{
	[connection setDelegate: mHandler];
	[self attemptedRecovery: YES error: nil];
	
	//FIXME: check modification tables?
}
@end
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