hu.netmind.beankeeper
Interface TransactionTracker

public interface TransactionTracker

This service is responsible for keeping track of transactions currently running in the system.

Field Summary

static int	TX_NEW
static int	TX_OPTIONAL
static int	TX_REQUIRED

Method Summary

Transaction	getTransaction(int mode) Get a transaction.
boolean	hasTransaction(java.lang.Long serial) Determines whether the given transaction is a valid open transaction in this tracker or not.

Field Detail

TX_REQUIRED

static final int TX_REQUIRED

See Also:

Constant Field Values

TX_NEW

static final int TX_NEW

See Also:

Constant Field Values

TX_OPTIONAL

static final int TX_OPTIONAL

See Also:

Constant Field Values

Method Detail

getTransaction

Transaction getTransaction(int mode)

Get a transaction. Following modes are supported:

• TX_REQUIRED: A new transaction is allocated if no current transaction exists, otherwise the current transaction is returned.
• TX_NEW: A new transaction is allocated either way.
• TX_OPTIONAL: If there is a current transaction, that is returned, null otherwise.

Note, that each transaction can support multiple levels of begin-commit blocks. Each transaction only commits/rollsback is the most outer block is commited/rolled back.

hasTransaction

boolean hasTransaction(java.lang.Long serial)

Determines whether the given transaction is a valid open transaction in this tracker or not.