command.h

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#ifndef COMMAND_H_
#define COMMAND_H_

#include <pcl/apps/point_cloud_editor/localTypes.h>

class Command
{
  public:
    virtual ~Command ()
    {
    }

  protected:
    friend class CommandQueue;

    Command () : has_undo_(true)
    {
    }

    inline
    bool
    hasUndo () const
    {
      return (has_undo_);
    }

    virtual
    void
    execute () = 0;

    virtual
    void
    undo () = 0;

    bool has_undo_;

  private:
    Command (const Command&)
    {
      assert(false);
    }

    Command&
    operator= (const Command&)
    {
      assert(false); return (*this);
    }
};
#endif //COMMAND_H_