comparable_object.hpp

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//
// See license.txt for license information.
//
// comparable_object.hpp
//
// 17-Jul-2003  phamilton  Created
//

#ifndef incCOMMON_COMPAREABLE_OBJECT
#define incCOMMON_COMPAREABLE_OBJECT

namespace ph {
namespace common {

// forwards
class object_base;

class comparable_object_base
/**
        Abstract class representing a an object which can be compared against
        another.
*/
{
public:
        virtual ~comparable_object_base() {}
        
        virtual bool equal(const object_base *obj) const = 0;
                //!< Returns true if the object passed in is equivalent to this one.
                //!
};

}; // common
}; // ph

#endif // incCOMMON_COMPAREABLE_OBJECT

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