Package org.neo4j.ogm.session.transaction

Class DefaultTransactionManager

java.lang.Object

org.neo4j.ogm.session.transaction.DefaultTransactionManager

All Implemented Interfaces:

org.neo4j.ogm.transaction.TransactionManager

public class DefaultTransactionManager
extends Object
implements org.neo4j.ogm.transaction.TransactionManager

Author:

Vince Bickers, Luanne Misquitta, Michael J. Simons

Constructor Summary

Constructors

Constructor	Description
DefaultTransactionManager(Session session, Function<org.neo4j.ogm.transaction.TransactionManager,BiFunction<org.neo4j.ogm.transaction.Transaction.Type,Iterable<String>,org.neo4j.ogm.transaction.Transaction>> transactionFactorySupplier)

Method Summary

Modifier and Type	Method	Description
void	bookmark(String bookmark)
boolean	canCommit()
boolean	canRollback()
void	commit(org.neo4j.ogm.transaction.Transaction transaction)	Commits the specified transaction.
org.neo4j.ogm.transaction.Transaction	getCurrentTransaction()	Returns the current transaction for this thread, or null if none exists
org.neo4j.ogm.transaction.Transaction	openTransaction()	Opens a new transaction against a database instance.
org.neo4j.ogm.transaction.Transaction	openTransaction(org.neo4j.ogm.transaction.Transaction.Type type, Iterable<String> bookmarks)	Opens a new transaction against a database instance.
void	rollback(org.neo4j.ogm.transaction.Transaction transaction)	Rolls back the specified transaction.

Methods inherited from class java.lang.Object

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

Constructor Details

DefaultTransactionManager

public DefaultTransactionManager(Session session,
 Function<org.neo4j.ogm.transaction.TransactionManager,BiFunction<org.neo4j.ogm.transaction.Transaction.Type,Iterable<String>,org.neo4j.ogm.transaction.Transaction>> transactionFactorySupplier)

Method Details

openTransaction

public org.neo4j.ogm.transaction.Transaction openTransaction()

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

Specified by:

openTransaction in interface org.neo4j.ogm.transaction.TransactionManager

Returns:

a new Transaction

openTransaction

public org.neo4j.ogm.transaction.Transaction openTransaction(org.neo4j.ogm.transaction.Transaction.Type type,
 Iterable<String> bookmarks)

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

Specified by:

openTransaction in interface org.neo4j.ogm.transaction.TransactionManager

Returns:

a new Transaction

rollback

public void rollback(org.neo4j.ogm.transaction.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. Any new objects are reset in the session, so that their ids are reset to null. If the specified transaction is not the correct one for this thread, throws an exception

Specified by:

rollback in interface org.neo4j.ogm.transaction.TransactionManager

Parameters:

transaction - the transaction to rollback

commit

public void commit(org.neo4j.ogm.transaction.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

Specified by:

commit in interface org.neo4j.ogm.transaction.TransactionManager

Parameters:

transaction - the transaction to commit

getCurrentTransaction

public org.neo4j.ogm.transaction.Transaction getCurrentTransaction()

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

Specified by:

getCurrentTransaction in interface org.neo4j.ogm.transaction.TransactionManager

Returns:

this thread's transaction

canCommit

public boolean canCommit()

Specified by:

canCommit in interface org.neo4j.ogm.transaction.TransactionManager

canRollback

public boolean canRollback()

Specified by:

canRollback in interface org.neo4j.ogm.transaction.TransactionManager

bookmark

public void bookmark(String bookmark)

Specified by:

bookmark in interface org.neo4j.ogm.transaction.TransactionManager