this.managedConnection.addConnectionEventListener(this.listener);
    public FBPooledConnection(FBManagedConnection managedConnection,         FBConnectionRequestInfo cri, boolean statementPooling,         int transactionIsolation, int maxStatements)         throws SQLException, ResourceException     {        super((Connection)managedConnection.getConnection(null, cri),             statementPooling, transactionIsolation, maxStatements);                this.managedConnection = managedConnection;        this.cri = cri;    }