EntityManagerFactory emf =
EntityManagerFactoryWrapper.lookupEntityManagerFactory(
ComponentInvocation.ComponentInvocationType.EJB_INVOCATION,
unitName, ejbDescriptor);
if (emf != null) {
PhysicalEntityManagerWrapper physicalEntityManagerWrapper = findExtendedEMFromInvList(emf);
if (physicalEntityManagerWrapper == null) {
// We did not find an extended EM that we can inherit from. Create one
try {
EntityManager em = emf.createEntityManager(refDesc.getSynchronizationType(), refDesc.getProperties());
physicalEntityManagerWrapper = new PhysicalEntityManagerWrapper(em, refDesc.getSynchronizationType());
} catch (Throwable th) {
EJBException ejbEx = new EJBException
("Couldn't create EntityManager for"
+ " refName: " + refDesc.getName()
+ "; unitname: " + unitName);
ejbEx.initCause(th);
throw ejbEx;
}
} else {
// We found an extended EM we can inherit from. Validate that sync type matches
if(physicalEntityManagerWrapper.getSynchronizationType() != refDesc.getSynchronizationType()) {
throw new EJBException("The current invocation inherits a persistence context of synchronization type '" + physicalEntityManagerWrapper.getSynchronizationType() +
"' where as it references a persistence context of synchronization type '" + refDesc.getSynchronizationType() +
"' refName: " + refDesc.getName() +
" unitName: " + unitName );
}
}
String emRefName = refDesc.getName();
long containerID = this.getContainerId();
EEMRefInfo refInfo = null;
synchronized (extendedEMReferenceCountMap) {
refInfo = extendedEMReferenceCountMap.get(physicalEntityManagerWrapper.getEM());
if (refInfo != null) {
refInfo.refCount++;
} else {
refInfo = new EEMRefInfo(emRefName, refDesc.getUnitName(), refDesc.getSynchronizationType(), containerID,
sessionKey, physicalEntityManagerWrapper.getEM(), emf);
refInfo.refCount = 1;
extendedEMReferenceCountMap.put(physicalEntityManagerWrapper.getEM(), refInfo);
eemKey2EEMMap.put(refInfo.getKey(), refInfo.getEntityManager());
}
}
ctx.addExtendedEntityManagerMapping(emf, refInfo);
eemRefInfos.add(refInfo);