org.axiondb
Interface Transaction

All Superinterfaces:

Database, Transactable

All Known Implementing Classes:

SnapshotIsolationTransaction

public interface Transaction

extends Database, Transactable

A database transaction.

Version:

$Revision: 1.9 $ $Date: 2004/08/27 03:21:20 $

Field Summary

static int	STATE_ABORTED Aborted.
static int	STATE_APPLIED Applied.
static int	STATE_COMMITTED Committed, but not yet applied.
static int	STATE_OPEN Open (neither committed nor aborted yet).

Fields inherited from interface org.axiondb.Database

COMMIT_SIZE

Method Summary

Set	getModifiedTables() Return a Setof Tables that have been modified thus far in this transaction.
Database	getOpenOnTransaction() Get the Databaseupon which I am open (i.e., the state to which we will return to if I am rolled back.
Set	getReadTables() Return a Setof Tables that have been read thus far in this transaction.
int	getState() Return my current transaction state.

Methods inherited from interface org.axiondb.Database

addDatabaseModificationListener, addIndex, addIndex, addTable, canResolveSelectable, checkpoint, createDatabaseLink, createSequence, dropDatabaseLink, dropIndex, dropSequence, dropTable, getDatabaseLink, getDatabaseModificationListeners, getDataType, getDBDirectory, getGlobalVariable, getIndexFactory, getName, getSequence, getTable, getTable, getTableFactory, getTransactionManager, hasDatabaseLink, hasIndex, hasSequence, hasTable, hasTable, isReadOnly, remount, renameTable, resolveFromNode, resolveSelectable, resolveSelectable, shutdown, tableAltered

Methods inherited from interface org.axiondb.Transactable

apply, commit, rollback

Field Detail

STATE_ABORTED

public static final int STATE_ABORTED

Aborted.

See Also:

Constant Field Values

STATE_APPLIED

public static final int STATE_APPLIED

Applied.

See Also:

Constant Field Values

STATE_COMMITTED

public static final int STATE_COMMITTED

Committed, but not yet applied.

See Also:

Constant Field Values

STATE_OPEN

public static final int STATE_OPEN

Open (neither committed nor aborted yet).

See Also:

Constant Field Values

Method Detail

getModifiedTables

public Set getModifiedTables()

Return a Setof Tables that have been modified thus far in this transaction.

getOpenOnTransaction

public Database getOpenOnTransaction()

Get the Databaseupon which I am open (i.e., the state to which we will return to if I am rolled back. Note that this may be another Transaction.

getReadTables

public Set getReadTables()

Return a Setof Tables that have been read thus far in this transaction.

getState

public int getState()

Return my current transaction state. Returns one of STATE_OPEN, STATE_COMMITTED,STATE_ABORTED,STATE_APPLIED.