Revert to previous commit

[mothur.git] / observable.h

diff --git a/observable.h b/observable.h
new file mode 100644 (file)
index 0000000..05e537a
--- /dev/null
+++ b/observable.h
@@ -0,0 +1,21 @@
+#ifndef OBSERVABLE_H
+#define OBSERVABLE_H
+
+
+#include "collectdisplay.h"
+
+
+/***********************************************************************/
+
+class Observable {
+       
+public:
+       virtual void registerDisplay(Display*) = 0;
+       virtual void removeDisplay(Display*) = 0;
+       virtual void notifyDisplays() = 0;      
+       virtual ~Observable() {}
+};
+
+/***********************************************************************/
+
+#endif