Example usage for javax.transaction Synchronization Synchronization

Introduction

In this page you can find the example usage for javax.transaction Synchronization Synchronization.

Prototype

Synchronization

Source Link

Usage

From source file:org.topazproject.otm.impl.AbstractSession.java

private void ensureTxActive(boolean start, int txTimeout) throws OtmException {
    if (jtaTxn != null)
        return;/*  w w  w  .  j  av a  2 s.co  m*/

    try {
        TransactionManager tm = getSessionFactory().getTransactionManager();

        jtaTxn = tm.getTransaction();
        if (jtaTxn == null) {
            if (!start)
                throw new OtmException("No active transaction");

            tm.setTransactionTimeout(txTimeout > 0 ? txTimeout : 0);
            tm.begin();
            jtaTxn = tm.getTransaction();
        }

        jtaTxn.registerSynchronization(new Synchronization() {
            public void beforeCompletion() {
                if (getFlushMode().implies(FlushMode.commit) && !isRollback())
                    flush();
            }

            public void afterCompletion(int status) {
                endTransaction();
            }

            private boolean isRollback() throws OtmException {
                try {
                    return (jtaTxn.getStatus() == Status.STATUS_MARKED_ROLLBACK);
                } catch (Exception e) {
                    throw new OtmException("Error getting rollback-only status", e);
                }
            }
        });
    } catch (OtmException oe) {
        throw oe;
    } catch (Exception e) {
        throw new OtmException("Error setting up transaction", e);
    }
}