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/* EOSQLExpressionFactory.m
Copyright (C) 2014 Free Software Foundation, Inc.
Author: Manuel Guesdon <mguesdon@orange-concept.com>
Date: Jun 2014
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.
*/
#include "config.h"
#include <string.h>
#ifdef GNUSTEP
#include <Foundation/NSDebug.h>
#include <Foundation/NSDictionary.h>
#include <Foundation/NSEnumerator.h>
#include <Foundation/NSException.h>
#include <Foundation/NSNotification.h>
#include <Foundation/NSSet.h>
#include <Foundation/NSString.h>
#include <Foundation/NSUserDefaults.h>
#else
#include <Foundation/Foundation.h>
#endif
#ifndef GNUSTEP
#include <GNUstepBase/GNUstep.h>
#include <GNUstepBase/GSObjCRuntime.h>
#include <GNUstepBase/NSDebug+GNUstepBase.h>
#include <GNUstepBase/NSObject+GNUstepBase.h>
#endif
#include <EOAccess/EOModel.h>
#include <EOAccess/EOEntity.h>
#include <EOAccess/EOAdaptor.h>
#include <EOAccess/EOSQLExpression.h>
#include <EOAccess/EOSQLExpressionFactory.h>
/*
#include <EOControl/EOFetchSpecification.h>
#include <EOControl/EOQualifier.h>
#include <EOControl/EOSortOrdering.h>
#include <EOControl/EODebug.h>
#include <EOControl/EONull.h>
#include <EOAccess/EOModel.h>
#include <EOAccess/EOEntity.h>
#include <EOAccess/EOEntityPriv.h>
#include <EOAccess/EOAttribute.h>
#include <EOAccess/EORelationship.h>
#include <EOAccess/EOAdaptor.h>
#include <EOAccess/EOAdaptorContext.h>
#include <EOAccess/EOAdaptorChannel.h>
#include <EOAccess/EOJoin.h>
#include <EOAccess/EOSQLExpression.h>
#include <EOAccess/EOSQLQualifier.h>
#include <EOAccess/EOExpressionArray.h>
#include "EOPrivate.h"
#include "EOEntityPriv.h"
#include "EOAttributePriv.h"
#include "EOSQLExpressionPriv.h"
*/
@implementation EOSQLExpressionFactory
+(EOSQLExpressionFactory*)sqlExpressionFactoryWithAdaptor:(EOAdaptor*)adaptor
{
return AUTORELEASE([[self alloc]initWithAdaptor:adaptor]);
}
-(id)initWithAdaptor:(EOAdaptor*)adaptor
{
if ((self=[self init]))
{
ASSIGN(_adaptor,adaptor);
ASSIGN(_expressionClass,[adaptor expressionClass]);
}
return self;
}
-(void)dealloc
{
DESTROY(_adaptor);
DESTROY(_expressionClass);
[super dealloc];
}
-(EOAdaptor*)adaptor
{
return _adaptor;
}
-(Class)expressionClass;
{
return _expressionClass;
}
-(EOSQLExpression*)createExpressionWithEntity:(EOEntity*)entity
{
return [_expressionClass sqlExpressionWithEntity:entity];
}
-(EOSQLExpression*)expressionForString:(NSString*)string
{
EOSQLExpression* sqlExpression = [self createExpressionWithEntity:nil];
[sqlExpression setStatement:string];
return sqlExpression;
}
-(EOSQLExpression*)expressionForEntity:(EOEntity*)entity
{
return [self createExpressionWithEntity:nil];
}
-(EOSQLExpression*)insertStatementForRow:(NSDictionary*)row
withEntity:(EOEntity*)entity
{
EOSQLExpression* sqlExpression = nil;
if (entity == nil)
{
[NSException raise: @"NSIllegalArgumentException"
format:@"%s entity must not be nil",
__PRETTY_FUNCTION__];
}
else
{
sqlExpression = [self createExpressionWithEntity:entity];
[sqlExpression setUseAliases:NO];
[sqlExpression prepareInsertExpressionWithRow:row];
}
return sqlExpression;
}
-(EOSQLExpression*) updateStatementForRow:(NSDictionary*)row
qualifier:(EOQualifier*)qualifier
withEntity:(EOEntity*)entity
{
EOSQLExpression* sqlExpression = nil;
if ([row count] == 0)
{
[NSException raise: @"NSIllegalArgumentException"
format:@"%s nothing to update",
__PRETTY_FUNCTION__];
}
else if (entity == nil)
{
[NSException raise: @"NSIllegalArgumentException"
format:@"%s entity must not be nil",
__PRETTY_FUNCTION__];
}
else if(qualifier == nil)
{
[NSException raise: @"NSIllegalArgumentException"
format:@"%s qualifier must not be nil",
__PRETTY_FUNCTION__];
}
else
{
sqlExpression = [self createExpressionWithEntity:entity];
[sqlExpression setUseAliases:NO];
[sqlExpression prepareUpdateExpressionWithRow:row
qualifier:qualifier];
}
return sqlExpression;
}
-(EOSQLExpression*)deleteStatementWithQualifier:(EOQualifier*)qualifier
entity:(EOEntity*)entity
{
EOSQLExpression* sqlExpression = [self createExpressionWithEntity:entity];
[sqlExpression setUseAliases:NO];
[sqlExpression prepareDeleteExpressionForQualifier:qualifier];
return sqlExpression;
}
-(EOSQLExpression*)selectStatementForAttributes:(NSArray*)attributes
lock:(BOOL)lock
fetchSpecification:(EOFetchSpecification*)fetchSpec
entity:(EOEntity*)entity
{
EOSQLExpression* sqlExpression = nil;
if ([attributes count] == 0)
{
[NSException raise: @"NSIllegalArgumentException"
format:@"%s nothing to select",
__PRETTY_FUNCTION__];
}
else if (fetchSpec == nil)
{
[NSException raise: @"NSIllegalArgumentException"
format:@"%s fetchSpecification must not be nil",
__PRETTY_FUNCTION__];
}
else if(entity == nil)
{
[NSException raise: @"NSIllegalArgumentException"
format:@"%s entity must not be nil",
__PRETTY_FUNCTION__];
}
else
{
sqlExpression = [self createExpressionWithEntity:entity];
[sqlExpression setUseAliases:YES];
[sqlExpression prepareSelectExpressionWithAttributes: attributes
lock: lock
fetchSpecification: fetchSpec];
}
return sqlExpression;
}
@end
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