| || ||The transaction's transient state. This attribute is checked by the transaction manager after the transaction's Execute() method is called. If the transient state is |
Executes the transaction.
merge a transaction into "this" transaction. Both transactions must be in their undo state,
doTransaction() methods already called. The transaction manager calls this method to coalesce a new transaction with the transaction on the top of the undo stack. This method returns a boolean value that indicates the
merge result. A
true value indicates that the transactions were merged successfully, a
false value if the
merge was not possible or failed. If
true, the transaction manager will Release() the new transaction instead of pushing it on the undo stack.
boolean merge( in nsITransaction aTransaction );
- The previously executed transaction to
Executes the transaction again. Can only be called on a transaction that was previously undone. In most cases, the
redoTransaction method will actually call the
doTransaction() method to execute the transaction again.
Restores the state to what it was before the transaction was executed.