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/*
Copyright (c) 1998, 1999, 2000, 2001, 2003, 2004 Benhur Stein
This file is part of Paj.
Paj 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 of the License, or (at your
option) any later version.
Paj 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 Paj; if not, write to the Free Software Foundation, Inc.,
59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*/
/*
* OrderKey.m
* ----------
* Key for an ordered array of containers
* contains the entityType and the container
*/
// 20-mar-2001 BS created
#include <OrderKey.h>
#include "../General/Macros.h"
#include <Foundation/NSArray.h>
@implementation OrderKey
+ (OrderKey *)keyWithEntityType:(id)e container:(id)c
{
return [[[self alloc] initWithEntityType:e container:c] autorelease];
}
- (id)initWithEntityType:(id)e container:(id)c
{
self = [super init];
if (self) {
Assign(entityType, e);
Assign(container, c);
}
return self;
}
- (void)dealloc
{
Assign(entityType, nil);
Assign(container, nil);
[super dealloc];
}
- (id)container
{
return container;
}
- (id)entityType
{
return entityType;
}
- (BOOL)isEqual:(id)other
{
if (![other isKindOfClass:[OrderKey class]])
return NO;
return [entityType isEqual:[(OrderKey *)other entityType]]
&& [container isEqual:[(OrderKey *)other container]];
}
- (NSUInteger)hash
{
return [entityType hash] ^ [container hash];
}
- (id)copyWithZone:(NSZone *)zone
{
return [self retain];
}
- (NSString *)description
{
return [[NSArray arrayWithObjects:entityType, container, nil] description];
}
@end
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