org.neo4j.ogm.session.transaction

Class DefaultTransactionManager

java.lang.Object

org.neo4j.ogm.session.transaction.DefaultTransactionManager

All Implemented Interfaces:

TransactionManager

public class DefaultTransactionManager
extends Object
implements TransactionManager

Author:

Vince Bickers, Luanne Misquitta

Constructor Summary

Constructors

Constructor and Description
DefaultTransactionManager(Session session)
DefaultTransactionManager(Session session, Driver driver)

Method Summary

Methods

Modifier and Type	Method and Description
void	bookmark(String bookmark)
boolean	canCommit()
boolean	canRollback()
void	clear()
void	commit(Transaction tx) Commits the specified TRANSACTION_THREAD_LOCAL.
Transaction	getCurrentTransaction() Returns the current TRANSACTION_THREAD_LOCAL for this thread, or null if none exists
Transaction	openTransaction() Opens a new TRANSACTION_THREAD_LOCAL against a database instance.
Transaction	openTransaction(Transaction.Type type) Opens a new TRANSACTION_THREAD_LOCAL against a database instance.
void	reinstate(AbstractTransaction tx)
void	rollback(Transaction transaction) Rolls back the specified TRANSACTION_THREAD_LOCAL.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DefaultTransactionManager

public DefaultTransactionManager(Session session)

DefaultTransactionManager

public DefaultTransactionManager(Session session,
                         Driver driver)

Method Detail

openTransaction

public Transaction openTransaction()

Opens a new TRANSACTION_THREAD_LOCAL against a database instance. Instantiation of the TRANSACTION_THREAD_LOCAL is left to the driver

Specified by:

openTransaction in interface TransactionManager

Returns:

a new Transaction

openTransaction

public Transaction openTransaction(Transaction.Type type)

Opens a new TRANSACTION_THREAD_LOCAL against a database instance. Instantiation of the TRANSACTION_THREAD_LOCAL is left to the driver

Specified by:

openTransaction in interface TransactionManager

Returns:

a new Transaction

rollback

public void rollback(Transaction transaction)

Rolls back the specified TRANSACTION_THREAD_LOCAL. The actual job of rolling back the TRANSACTION_THREAD_LOCAL is left to the relevant driver. if this is successful, the TRANSACTION_THREAD_LOCAL is detached from this thread. Any new objects are reset in the session, so that their ids are reset to null. If the specified TRANSACTION_THREAD_LOCAL is not the correct one for this thread, throws an exception

Specified by:

rollback in interface TransactionManager

Parameters:

transaction - the TRANSACTION_THREAD_LOCAL to rollback

commit

public void commit(Transaction tx)

Commits the specified TRANSACTION_THREAD_LOCAL. The actual job of committing the TRANSACTION_THREAD_LOCAL is left to the relevant driver. if this is successful, the TRANSACTION_THREAD_LOCAL is detached from this thread. If the specified TRANSACTION_THREAD_LOCAL is not the correct one for this thread, throws an exception

Specified by:

commit in interface TransactionManager

Parameters:

tx - the TRANSACTION_THREAD_LOCAL to commit

getCurrentTransaction

public Transaction getCurrentTransaction()

Returns the current TRANSACTION_THREAD_LOCAL for this thread, or null if none exists

Specified by:

getCurrentTransaction in interface TransactionManager

Returns:

this thread's TRANSACTION_THREAD_LOCAL

canCommit

public boolean canCommit()

Specified by:

canCommit in interface TransactionManager

canRollback

public boolean canRollback()

Specified by:

canRollback in interface TransactionManager

bookmark

public void bookmark(String bookmark)

Specified by:

bookmark in interface TransactionManager

reinstate

public void reinstate(AbstractTransaction tx)

clear

public void clear()