if (project.hasEmbeddable(metadataClass)) {
EmbeddableAccessor embeddableAccessor = project.getEmbeddableAccessor(metadataClass);
// If it was loaded from XML, reset the pre-processed flag.
if (embeddableAccessor.loadedFromXML()) {
embeddableAccessor.clearPreProcessed();
} else {
// Was not loaded from XML and existed in the project.
if (excludeUnlistedClasses(metadataClass)) {
// Exclude unlisted classes is now false, remove it!
removeEmbeddableAccessor(metadataClass);