/**
* Initialize all persistence units found on initializationClassLoader. Initialization is a two
* phase process. First the predeploy process builds the metadata and creates any required
* transformers. Second the deploy process creates an EclipseLink session based on that metadata.
*/
protected void initPersistenceUnits(Archive archive, Map m) {
Iterator<SEPersistenceUnitInfo> persistenceUnits =
PersistenceUnitProcessor.getPersistenceUnits(archive, initializationClassloader).iterator();
while (persistenceUnits.hasNext()) {
SEPersistenceUnitInfo persistenceUnitInfo = persistenceUnits.next();
if (isPersistenceProviderSupported(persistenceUnitInfo.getPersistenceProviderClassName())) {
// puName uniquely defines the pu on a class loader
String puName = persistenceUnitInfo.getPersistenceUnitName();
// don't add puInfo that could not be used standalone (only as composite member).
if (EntityManagerSetupImpl.mustBeCompositeMember(persistenceUnitInfo)) {
continue;
}
// If puName is already in the map then there are two jars containing persistence units with
// the same name.
// Because both are loaded from the same classloader there is no way to distinguish between
// them - throw exception.
EntityManagerSetupImpl anotherEmSetupImpl = null;
if (initialEmSetupImpls != null) {
anotherEmSetupImpl = this.initialEmSetupImpls.get(puName);
}
if (anotherEmSetupImpl != null) {
EntityManagerSetupImpl.throwPersistenceUnitNameAlreadyInUseException(
puName, persistenceUnitInfo, anotherEmSetupImpl.getPersistenceUnitInfo());
}
// Note that session name is extracted only from puInfo, the passed properties ignored.
String sessionName =
EntityManagerSetupImpl.getOrBuildSessionName(
Collections.emptyMap(), persistenceUnitInfo, puName);
EntityManagerSetupImpl emSetupImpl =
callPredeploy(persistenceUnitInfo, m, puName, sessionName);
if (initialEmSetupImpls != null) {
this.initialEmSetupImpls.put(puName, emSetupImpl);
}
if (initialPuInfos != null) {
this.initialPuInfos.put(puName, persistenceUnitInfo);
}
}
}
}
