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#ifndef SD_SLIDESORTER_COMMAND_HXX
#define SD_SLIDESORTER_COMMAND_HXX

namespace sd { namespace slidesorter { namespace controller {

/** Base class for command objects.  It specifies the interface for commands
    whose execution can be scheduled via the SlotManager.
*/
class Command
{
public:
    virtual ~Command (void) {};
    virtual void operator() (void) = 0;
};

} } } // end of namespace sd::slidesorter::controller

#endif