Package org.apache.cayenne.tx

## Interface TransactionListener

-     public interface TransactionListener

  A callback that is notified as transaction progresses through stages. It can customize transaction isolation level, etc.
  Since:
    4.0

- - ### Method Summary

    All Methods Instance Methods Abstract Methods Default Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `default Connection` | `decorateConnection​(Transaction tx, Connection connection)` | This method could be used to decorate or substitute new connection initiated inside a Cayenne transaction.
    `void` | `willAddConnection​(Transaction tx, String connectionName, Connection connection)` |
    `void` | `willCommit​(Transaction tx)` |
    `void` | `willRollback​(Transaction tx)` |

- - ### Method Detail

    - #### willCommit

          void willCommit​(Transaction tx)

    - #### willRollback

          void willRollback​(Transaction tx)

    - #### willAddConnection

          void willAddConnection​(Transaction tx,
                                 String connectionName,
                                 Connection connection)

    - #### decorateConnection

          default Connection decorateConnection​(Transaction tx,
                                                Connection connection)

      This method could be used to decorate or substitute new connection initiated inside a Cayenne transaction.
      The default implementation returns the same connection.
      Parameters:
        `tx` - transaction that initiated connection
        `connection` - connection (it could be decorated by other listeners)
      Returns:
        connection
      Since:
        4.2