Commands

- Modified command object design.
2011-04-24 12:41:38 -04:00
parent a7c3858729
commit 638fcd8ca0
4 changed files with 26 additions and 4 deletions
--- a/src/commands/Command.h
+++ b/src/commands/Command.h
@@ -36,12 +36,13 @@ public:
  Command (const Command&);
  Command& operator= (const Command&);
  bool operator== (const Command&) const;     // TODO Is this necessary?
-  ~Command ();
+  virtual ~Command ();

  static Command* factory (const std::string&);

-  bool implements (const std::string&) const;
-  std::string execute (const std::string&);
+  virtual bool read_only () const;
+  virtual bool implements (const std::string&) const = 0;
+  virtual std::string execute (const std::string&) = 0;

 private:
 };