/*
  Copyright (C) 2000-2003 SKYRIX Software AG

  This file is part of OGo

  OGo is free software; you can redistribute it and/or modify it under
  the terms of the GNU Lesser General Public License as published by the
  Free Software Foundation; either version 2, or (at your option) any
  later version.

  OGo 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 Lesser General Public
  License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with OGo; see the file COPYING.  If not, write to the
  Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  02111-1307, USA.
*/
// $Id$

#import "common.h"
#import "LSIncreaseVersionCommand.h"

@implementation LSIncreaseVersionCommand

- (void)_prepareForExecutionInContext:(id)_context {
  int vCount;
  id obj;

  [super _prepareForExecutionInContext:_context];

  obj = [self object];
  
  [self assert:[[obj attributeKeys] containsObject:@"objectVersion"]
        reason:@"entity does not support objectVersion"];
  
  vCount = [[obj valueForKey:@"objectVersion"] intValue];
  vCount = vCount + 1;
  [obj takeValue:[NSNumber numberWithInt:vCount] forKey:@"objectVersion"];
}

@end