Module org.neo4j.ogm.drivers.api

Package org.neo4j.ogm.transaction

Interface TransactionManager

public interface TransactionManager

Author:

Vince Bickers, Mark Angrish

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	TransactionManager.TransactionClosedListener	A handler that can be called per entity during commit or rollback operations.

Method Summary

Modifier and Type	Method	Description
void	bookmark(String bookmark)
void	close(Transaction transaction, Consumer<TransactionManager.TransactionClosedListener> callback)	Closes the specified transaction if it belongs to the current thread.
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.

Method Details

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}

close

void close(Transaction transaction,
 Consumer<TransactionManager.TransactionClosedListener> callback)

Closes the specified transaction if it belongs to the current thread. After the callback has successfully been called, the transaction will be detached from this transaction manager and the executing thread.

The method must throw an exception if the transaction does not belong to the current thread.

Parameters:

transaction - The transaction to be closed

callback - A callback to be executed prior to detaching the transaction from the thread.

getCurrentTransaction

Transaction getCurrentTransaction()

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

Returns:

this thread's transaction

bookmark

void bookmark(String bookmark)