}
@Override
public DiskOfferingVO persistDeafultDiskOffering(DiskOfferingVO offering) {
assert offering.getUniqueName() != null : "unique name shouldn't be null for the disk offering";
DiskOfferingVO vo = findByUniqueName(offering.getUniqueName());
if (vo != null) {
return vo;
}
try {
return persist(offering);