hu.netmind.beankeeper
Interface Transaction

All Superinterfaces:

java.util.Map

public interface Transaction
extends java.util.Map

This is a high-level transaction object used throughout the persistence layer. Also, it can store attributes, which can be used to communicate data through calling layers.

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map

java.util.Map.Entry<K,V>

Method Summary

void	begin() Start the transaction.
void	commit() Commit a transaction.
java.sql.Connection	getConnection() Get the connection to the database from this transaction.
java.lang.Long	getEndSerial() Get the serial when this transaction ended.
java.lang.Long	getSerial() Get the serial number when this transaction began.
DatabaseStatistics	getStats() Get statistics from this transaction.
boolean	isRollbackOnly() Returns whether this transaction was marked "rollback only".
void	markRollbackOnly() Mark this transaction as rollback only.
void	rollback() Rollback this transaction.

Methods inherited from interface java.util.Map

clear, containsKey, containsValue, entrySet, equals, get, hashCode, isEmpty, keySet, put, putAll, remove, size, values

Method Detail

begin

void begin()

Start the transaction. A transaction must be always start with the call to begin(). All subsequent calls to this method will increase the transaction depth, and to commit the transaction exactly that many commit() and rollback() calls must occur.

commit

void commit()

Commit a transaction.

rollback

void rollback()

Rollback this transaction.

markRollbackOnly

void markRollbackOnly()

Mark this transaction as rollback only. This means the next call to either commit or rollback will rollback either way.

isRollbackOnly

boolean isRollbackOnly()

Returns whether this transaction was marked "rollback only".

getSerial

java.lang.Long getSerial()

Get the serial number when this transaction began.

getEndSerial

java.lang.Long getEndSerial()

Get the serial when this transaction ended. This is also the unique moment in time when all changes became visible.

Returns:

The end serial. This may be null, if the end of transaction is not yet known.

getStats

DatabaseStatistics getStats()

Get statistics from this transaction.

getConnection

java.sql.Connection getConnection()

Get the connection to the database from this transaction.