@Override
public void beforeInvocation() {
//
// Prevent the regular JPA Plugin from starting a transaction.
//
JPA.entityManagerFactory = null;
//
// If we have no databases defined, and we have a directive to permit this state, allow it.
//
if (factoryMap.isEmpty()
&& Play.configuration.getProperty("mjpa.runWithNoDB", "").equals("true")) {
log.debug("Empty factory map--using dummy factory");
JPA.entityManagerFactory = getDummyFactory();
return;
}
log.debug("Extracting DB key from request: " + Request.current());
//
// Find the database key, so that we'll have one for the transaction.
//
String dbKey = keyExtractor.extractKey(Request.current());
log.debug("Found key: " + dbKey);
try {
if (dbKey != null) {
//
// Start the transaction
//
startTx(dbKey, false);
}
} catch (InvalidDatabaseException e) {
throw new NotFound(e.getMessage());
}
}
