@Override
public void preHandle(WebRequest request) throws DataAccessException {
if (TransactionSynchronizationManager.hasResource(getPersistenceManagerFactory())) {
// Do not modify the PersistenceManager: just mark the request accordingly.
String participateAttributeName = getParticipateAttributeName();
Integer count =
(Integer) request.getAttribute(participateAttributeName, WebRequest.SCOPE_REQUEST);
int newCount = (count != null ? count + 1 : 1);
request.setAttribute(getParticipateAttributeName(), newCount, WebRequest.SCOPE_REQUEST);
} else {
logger.debug("Opening JDO PersistenceManager in OpenPersistenceManagerInViewInterceptor");
PersistenceManager pm =
PersistenceManagerFactoryUtils.getPersistenceManager(
getPersistenceManagerFactory(), true);
TransactionSynchronizationManager.bindResource(
getPersistenceManagerFactory(), new PersistenceManagerHolder(pm));
}
}
protected PersistenceManager getPersistenceManager() {
return PersistenceManagerFactoryUtils.getPersistenceManager(pmf, true);
}