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ASSOC.H
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C/C++ Source or Header
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1990-09-26
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3KB
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109 lines
#ifndef __ASSOC_H
#define __ASSOC_H
//
// This file contains proprietary information of Borland International.
// Copying or reproduction without prior written approval is prohibited.
//
// Copyright (c) 1990
// Borland International
// 1800 Scotts Valley Dr.
// Scotts Valley, CA 95066
// (408) 438-8400
//
// Contents ----------------------------------------------------------------
//
// Association
// Association::Association
// Association::Association copy constructor
//
// Description
//
// Defines the class Association, which is an object that can
// be stored in a Dictionary. An Association contains references
// to two Objects, a Key and a Value.
//
// End ---------------------------------------------------------------------
// Interface Dependencies ---------------------------------------------------
#ifndef __IOSTREAM_H
#include <iostream.h>
#define __IOSTREAM_H
#endif
#ifndef __CLSTYPES_H
#include <clstypes.h>
#define __CLSTYPES_H
#endif
#ifndef __OBJECT_H
#include <object.h>
#define __OBJECT_H
#endif
// End Interface Dependencies ------------------------------------------------
// Class //
class Association : public Object
{
public:
Association( Object& k, Object& v ) : aKey( k ), aValue( v ) {}
Association( const Association& a ) :
aKey( a.key() ), aValue( a.value() ) {}
virtual ~Association();
Object& key() const { return aKey; }
Object& value() const { return aValue; }
virtual classType isA() const;
virtual char *nameOf() const;
virtual hashValueType hashValue() const;
virtual int isEqual( const Object& ) const;
virtual int isAssociation() const;
virtual void printOn( ostream& ) const;
private:
Object& aKey;
Object& aValue;
};
// Description -------------------------------------------------------------
//
// Defines an association class. An association keeps two objects
// together and treats them as a single object.
//
// Constructors
//
// Association( Object& k, Object& v )
//
// Constructor from two objects.
//
// Association( Association& a )
//
// Copy constructor.
//
// Public Members
//
// key
//
// Returns a reference to the key
//
// value
//
// Returns a reference to the value of the association.
//
// Private Members
//
// aKey
//
// aValue
//
// End ---------------------------------------------------------------------
#endif // ifndef __ASSOC_H //