/**
* Resolves persistence-unit-ref
*
* @param environment The environment to resolve the elements for
* @param classLoader The deployment class loader
* @param deploymentReflectionIndex The reflection index
* @return The bindings for the environment entries
*/
private List<BindingConfiguration> getPersistenceUnitRefs(
DeploymentUnit deploymentUnit,
DeploymentDescriptorEnvironment environment,
ClassLoader classLoader,
DeploymentReflectionIndex deploymentReflectionIndex,
ResourceInjectionTarget resourceInjectionTarget)
throws DeploymentUnitProcessingException {
final List<BindingConfiguration> bindingConfigurations = new ArrayList<BindingConfiguration>();
if (environment.getEnvironment() == null) {
return bindingConfigurations;
}
PersistenceUnitReferencesMetaData persistenceUnitRefs =
environment.getEnvironment().getPersistenceUnitRefs();
if (persistenceUnitRefs != null) {
if (persistenceUnitRefs.size() > 0) {
JPADeploymentMarker.mark(deploymentUnit);
}
for (PersistenceUnitReferenceMetaData puRef : persistenceUnitRefs) {
String name = puRef.getName();
String persistenceUnitName = puRef.getPersistenceUnitName();
String lookup = puRef.getLookupName();
if (!isEmpty(lookup) && !isEmpty(persistenceUnitName)) {
throw MESSAGES.cannotSpecifyBoth(
"<lookup-name>",
lookup,
"persistence-unit-name",
persistenceUnitName,
"<persistence-unit-ref/>",
resourceInjectionTarget);
}
if (!name.startsWith("java:")) {
name = environment.getDefaultContext() + name;
}
// our injection (source) comes from the local (ENC) lookup, no matter what.
LookupInjectionSource injectionSource = new LookupInjectionSource(name);
// add any injection targets
processInjectionTargets(
resourceInjectionTarget,
injectionSource,
classLoader,
deploymentReflectionIndex,
puRef,
EntityManagerFactory.class);
BindingConfiguration bindingConfiguration = null;
if (!isEmpty(lookup)) {
bindingConfiguration = new BindingConfiguration(name, new LookupInjectionSource(lookup));
} else {
InjectionSource puBindingSource =
this.getPersistenceUnitBindingSource(deploymentUnit, persistenceUnitName);
bindingConfiguration = new BindingConfiguration(name, puBindingSource);
}
bindingConfigurations.add(bindingConfiguration);
}
}
return bindingConfigurations;
}