org.neo4j.ogm.transaction

Interface TransactionManager

public interface TransactionManager

Author:

Vince Bickers, Mark Angrish

Method Summary

Modifier and Type	Method and Description
void	bookmark(String bookmark)
boolean	canCommit()
boolean	canRollback()
void	commit(Transaction transaction) Commits the specified transaction.
Transaction	getCurrentTransaction() Returns the current transaction for this thread, or null if none exists
Transaction	openTransaction() Opens a new READ_WRITE transaction against a database instance.
Transaction	openTransaction(Transaction.Type type, Iterable<String> bookmarks) Opens a new transaction of the specified type against a database instance.
void	rollback(Transaction transaction) Rolls back the specified transaction.

Method Detail

openTransaction

Transaction openTransaction()

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

Returns:

a new @{link Transaction}

openTransaction

Transaction openTransaction(Transaction.Type type,
                            Iterable<String> bookmarks)

Opens a new transaction of the specified type against a database instance. Instantiation of the transaction is left to the driver

Parameters:

type - type of the transaction

bookmarks - bookmarks to be passed to driver

Returns:

a new @{link Transaction}

rollback

void rollback(Transaction transaction)

Rolls back the specified transaction. The actual job of rolling back the transaction is left to the relevant driver. if this is successful, the transaction is detached from this thread. If the specified transaction is not the correct one for this thread, throws an exception Warning: This method is meant to be called from actual transactions only!!!

Parameters:

transaction - the transaction to rollback

commit

void commit(Transaction transaction)

Commits the specified transaction. The actual job of committing the transaction is left to the relevant driver. if this is successful, the transaction is detached from this thread. If the specified transaction is not the correct one for this thread, throws an exception Warning: This method is meant to be called from actual transactions only!!!

Parameters:

transaction - the transaction to commit

getCurrentTransaction

Transaction getCurrentTransaction()

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

Returns:

this thread's transaction

canCommit

boolean canCommit()

canRollback

boolean canRollback()

bookmark

void bookmark(String bookmark)