/**
* This is a method that will create list of all main entities. (Entities for which entity passed
* to it is having containment association)
*
* @param entity entity
* @param mainEntityList mainEntityList
* @return mainEntityList List of main entities
*/
public static List<EntityInterface> getAllMainEntities(
EntityInterface entity, List<EntityInterface> mainEntities) {
List<EntityInterface> mainEntityList = mainEntities;
try {
List<AssociationInterface> associationList = getIncomingContainmentAssociations(entity);
if (associationList.isEmpty()) {
mainEntityList.add(entity);
} else {
for (AssociationInterface assocoation : associationList) {
mainEntityList = getAllMainEntities(assocoation.getEntity(), mainEntityList);
}
}
} catch (DynamicExtensionsSystemException deException) {
logger.error(deException.getMessage(), deException);
}
return mainEntityList;
}
/**
* This method will internally call getIncomingAssociationIds of DE which will return all incoming
* associations for entities passed.This method will filter out all incoming containment
* associations and return list of them.
*
* @param entity entity
* @throws DynamicExtensionsSystemException DynamicExtensionsSystemException
* @return list List of incoming containment associations.
*/
public static List<AssociationInterface> getIncomingContainmentAssociations(
EntityInterface entity) throws DynamicExtensionsSystemException {
EntityManagerInterface entityManager = EntityManager.getInstance();
ArrayList<Long> allIds = (ArrayList<Long>) entityManager.getIncomingAssociationIds(entity);
List<AssociationInterface> list = new ArrayList<AssociationInterface>();
for (Long id : allIds) {
AssociationInterface associationById = EntityCache.getInstance().getAssociationById(id);
RoleInterface targetRole = associationById.getTargetRole();
if (targetRole
.getAssociationsType()
.getValue()
.equals(AQConstants.CONTAINTMENT_ASSOCIATION)) {
list.add(associationById);
}
}
return list;
}