ini/trakem2/display/DoStep.java

   1 package ini.trakem2.display;
   2
   3 public interface DoStep {
   4
   5         static public final int UNDO = 0;
   6         static public final int REDO = 1;
   7
   8         /** Returns true on success. */
   9         public boolean apply(int action);
  10
  11         public boolean isEmpty();
  12
  13         /** May return null. */
  14         public Displayable getD();
  15
  16         public boolean isIdenticalTo(Object ob); // bypassing equals
  17 }