private String getMappedBy(Collection collectionValue) {
PersistentClass referencedClass = null;
if (collectionValue.getElement() instanceof OneToMany) {
OneToMany oneToManyValue = (OneToMany) collectionValue.getElement();
referencedClass = oneToManyValue.getAssociatedClass();
} else if (collectionValue.getElement() instanceof ManyToOne) {
// Case for bi-directional relation with @JoinTable on the owning @ManyToOne side.
ManyToOne manyToOneValue = (ManyToOne) collectionValue.getElement();
referencedClass =
manyToOneValue.getMappings().getClass(manyToOneValue.getReferencedEntityName());
}
// If there's an @AuditMappedBy specified, returning it directly.
String auditMappedBy = propertyAuditingData.getAuditMappedBy();
if (auditMappedBy != null) {
return auditMappedBy;
}
// searching in referenced class
String mappedBy = this.searchMappedBy(referencedClass, collectionValue);
if (mappedBy == null) {
LOG.debugf(
"Going to search the mapped by attribute for %s in superclasses of entity: %s",
propertyName, referencedClass.getClassName());
PersistentClass tempClass = referencedClass;
while ((mappedBy == null) && (tempClass.getSuperclass() != null)) {
LOG.debugf("Searching in superclass: %s", tempClass.getSuperclass().getClassName());
mappedBy = this.searchMappedBy(tempClass.getSuperclass(), collectionValue);
tempClass = tempClass.getSuperclass();
}
}
if (mappedBy == null) {
throw new MappingException(
"Unable to read the mapped by attribute for "
+ propertyName
+ " in "
+ referencedClass.getClassName()
+ "!");
}
return mappedBy;
}
