+
+ abstract void onTransactionAborted(TransactionIdentifier txId);
+
+ abstract void onTransactionCommitted(TransactionIdentifier txId);
+
+ abstract void onTransactionPurged(TransactionIdentifier txId);
+
+ abstract void onHistoryCreated(LocalHistoryIdentifier historyId);
+
+ abstract void onHistoryClosed(LocalHistoryIdentifier historyId);
+
+ abstract void onHistoryPurged(LocalHistoryIdentifier historyId);
+