ExternalOperation.java

   1 package org.simantics.db.service;
   2
   3 public interface ExternalOperation {
   4         /**
   5          * Undoes the operation. If operation is disposed, does nothing.
   6          */
   7         void undo();
   8
   9         /**
  10          * Redoes the operation. If operation is disposed, does nothing.
  11          */
  12         void redo();
  13
  14         /**
  15          * Tells if external operation is still valid. For example operations
  16          * related to experiments are disposed when the experiment is disposed.
  17          */
  18         boolean isDisposed();
  19 }