Interface Repo

fate/src/main/java/org/apache/accumulo/fate/Repo.java:25–33

Repeatable persisted operation

 *
 */
public interface Repo<T> extends ReadOnlyRepo<T>, Serializable {

  Repo<T> call(long tid, T environment) throws Exception;

  void undo(long tid, T environment) throws Exception;

  // this allows the last fate op to return something to the user
  String getReturn();
}