//
//  $Id$
//
//  MCPAttribute.h
//  MCPKit
//
//  Created by Serge Cohen (serge.cohen@m4x.org) on 09/08/04.
//  Copyright (c) 2004 Serge Cohen. All rights reserved.
//
//  Forked by the Sequel Pro team (sequelpro.com), April 2009
//
//  This program is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation; either version 2 of the License, or
//  (at your option) any later version.
//
//  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//  More info at <http://mysql-cocoa.sourceforge.net/>
//  More info at <http://code.google.com/p/sequel-pro/>

#import <Foundation/Foundation.h>

@class MCPModel;
@class MCPClassDescription;
@class MCPRelation;
@class MCPJoin;

@interface MCPAttribute : NSObject < NSCoding > 
{
@protected
	MCPClassDescription	*classDescription; // ClassDescription of which the attribute is attribute
	NSString			*name;			   // Name of the attribute (Obj-C side)
	Class				valueClass;        // Class used by the attribute (or NULL if the internal type is not an object)
	NSString			*internalType;     // Name of the class, or type used for the class definition
	NSString			*externalName;     // Name of the corresponding column in the DB
	NSString			*externalType;     // Type used to store the attribute (in the DB)
	unsigned int		width;             // Width (for storing by the DB)
	BOOL				allowsNull;        // Attribute can be null
	BOOL				autoGenerated;     // Attribute is auto generated by the DB
	BOOL				isPartOfKey;       // Attribute is part of theprimary key of the class description
	BOOL				isPartOfIdentity;  // Attribute is part of the idclass description of the class description
	BOOL				hasAccessor;       // Does this attribute have an accessor
	id					defaultValue;      // Default value of the attribute
	NSMutableArray		*joins;			   // An array of the joins using this attribute
}

#pragma mark Class methods
+ (void) initialize;

#pragma mark Life cycle
- (id) initForClassDescription:(MCPClassDescription *) iClassDescription withName:(NSString *) iName;
- (void) dealloc;

#pragma mark NSCoding protocol
- (id) initWithCoder:(NSCoder *) decoder;
- (void) encodeWithCoder:(NSCoder *) encoder;

#pragma mark Setters
- (void) setName:(NSString *) iName;
- (void) setValueClass:(Class) iValueClass;
- (void) setInternalType:(NSString *) iInternalType;
- (void) setExternalType:(NSString *) iExternalType;
- (void) setExternalName:(NSString *) iExternalName;
- (void) setWidth:(unsigned int) iWidth;
- (void) setAllowsNull:(BOOL) iAllowsNull;
- (void) setAutoGenerated:(BOOL) iAutoGenerated;
- (void) setIsPartOfKey:(BOOL) iIsPartOfKey;
- (void) setIsPartOfIdentity:(BOOL) iIsPartOfIdentity;
- (void) setHasAccessor:(BOOL) iHasAccessor;
- (void) setDefaultValue:(id) iDefaultValue;
- (void) insertObject:(MCPJoin *) iJoin inJoinsAtIndex:(unsigned int) index;
- (void) removeObjectFromJoinsAtIndex:(unsigned int) index;
//- (void) addRelation:(MCPRelation *) iRelation;
//- (void) removeRelation:(MCPRelation *) iRelation;

#pragma mark Getters
- (MCPClassDescription *) classDescription;
- (NSString *) name;
- (Class) valueClass;
- (NSString *) valueClassName;
- (NSString *) internalType;
- (NSString *) externalName;
- (NSString *) externalType;
- (unsigned int) width;
- (BOOL) allowsNull;
- (BOOL) autoGenerated;
- (BOOL) isPartOfKey;
- (BOOL) isPartOfIdentity;
- (BOOL) hasAccessor;
- (id) defaultValue;
- (unsigned int) countOfJoins;
- (MCPJoin *) objectInJoinsAtIndex:(unsigned int) index;
- (unsigned int) indexOfJoinIdenticalTo:(id) iJoin;

#pragma mark Some general methods:
- (BOOL) isEqual:(id) iObject;

@end