org.neo4j.ogm.session.delegates

Class TransactionsDelegate

java.lang.Object

org.neo4j.ogm.session.delegates.TransactionsDelegate

All Implemented Interfaces:

Capability.Transactions

public class TransactionsDelegate
extends Object
implements Capability.Transactions

Author:

Vince Bickers

Constructor Summary

Constructors

Constructor and Description
TransactionsDelegate(Neo4jSession neo4jSession)

Method Summary

Methods

Modifier and Type	Method and Description
void	autoCommit(String url)
Transaction	beginTransaction() Begin a new transaction.
<T> T	doInTransaction(GraphCallback<T> graphCallback) Applies the given GraphCallback in the scope of this Session, giving fine-grained control over behaviour.
Transaction	getCurrentOrAutocommitTransaction()
Transaction	getTransaction() Get the existing transaction if available

Methods inherited from class java.lang.Object

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

Constructor Detail

TransactionsDelegate

public TransactionsDelegate(Neo4jSession neo4jSession)

Method Detail

autoCommit

public void autoCommit(String url)

beginTransaction

public Transaction beginTransaction()

Description copied from interface: Capability.Transactions

Begin a new transaction. If an existing transaction already exists, users must decide whether to commit or rollback. Only one transaction can be bound to a thread at any time, so active transactions that have not been closed but are no longer bound to the thread must be handled by client code.

Specified by:

beginTransaction in interface Capability.Transactions

Returns:

a new active Transaction

doInTransaction

public <T> T doInTransaction(GraphCallback<T> graphCallback)

Description copied from interface: Capability.Transactions

Applies the given GraphCallback in the scope of this Session, giving fine-grained control over behaviour.

Specified by:

doInTransaction in interface Capability.Transactions

Parameters:

graphCallback - The GraphCallback to execute

Returns:

The result of calling the given GraphCallback

getTransaction

public Transaction getTransaction()

Description copied from interface: Capability.Transactions

Get the existing transaction if available

Specified by:

getTransaction in interface Capability.Transactions

Returns:

an active Transaction, or null if none exists

getCurrentOrAutocommitTransaction

public Transaction getCurrentOrAutocommitTransaction()