Berkeley DB

DbEnv.set_tx_recover

						import com.sleepycat.db.*;
						public interface DbTxnRecover
						{
						public abstract int tx_recover(DbEnv dbenv, Dbt log_rec, DbLsn lsn, int op);
						}
						public class DbEnv
						{
						public void set_tx_recover(DbTxnRecover tx_recover)
						throws DbException;
						...
						}
					

Description

Set the application’s method to be called during transaction abort and recovery. This method must return 0 on success and either errno or a value outside of the Berkeley DB error name space on failure. It takes four arguments:

• dbenv A Berkeley DB environment.

• log_rec A log record.

• lsn A log sequence number.

• op One of the following values:

  • Db.DB_TXN_BACKWARD_ROLL The log is being read backward to determine which transactions have been committed and to abort those operations ...