Example usage for org.springframework.data.neo4j.transaction SessionHolder setSynchronizedWithTransaction

Introduction

In this page you can find the example usage for org.springframework.data.neo4j.transaction SessionHolder setSynchronizedWithTransaction.

Prototype

public void setSynchronizedWithTransaction(boolean synchronizedWithTransaction) 

Source Link

Document

Mark the resource as synchronized with a transaction.

Usage

From source file:org.springframework.data.neo4j.transaction.SessionFactoryUtils.java

public static Session getSession(SessionFactory sessionFactory) throws IllegalStateException {

    Assert.notNull(sessionFactory, "No SessionFactory specified");

    SessionHolder sessionHolder = (SessionHolder) TransactionSynchronizationManager.getResource(sessionFactory);
    if (sessionHolder != null) {
        if (!sessionHolder.isSynchronizedWithTransaction()
                && TransactionSynchronizationManager.isSynchronizationActive()) {
            sessionHolder.setSynchronizedWithTransaction(true);
            TransactionSynchronizationManager
                    .registerSynchronization(new SessionSynchronization(sessionHolder, sessionFactory, false));
        }//w  w  w.  ja v  a 2 s. c  om
        return sessionHolder.getSession();
    }

    if (!TransactionSynchronizationManager.isSynchronizationActive()) {
        return null;
    }

    Session session = sessionFactory.openSession();

    if (TransactionSynchronizationManager.isCurrentTransactionReadOnly()) {
        System.out.println("hitting read only txn.");
    }

    logger.debug("Registering transaction synchronization for Neo4j Session");
    // Use same Session for further Neo4j actions within the transaction.
    // Thread object will get removed by synchronization at transaction completion.

    sessionHolder = new SessionHolder(session);
    sessionHolder.setSynchronizedWithTransaction(true);
    TransactionSynchronizationManager
            .registerSynchronization(new SessionSynchronization(sessionHolder, sessionFactory, true));
    TransactionSynchronizationManager.bindResource(sessionFactory, sessionHolder);

    return session;
}

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