markEnd("ToOne.Calculation", source, key);
if(eos.count() > 1) {
markStart("ToOne.Fetching", source, key);
doFetch(dbc, ec, relationship, eos);
freshenFetchTimestamps(faults.allObjects(), timestamp);
markEnd("ToOne.Fetching", source, key);
if(batchLog.isDebugEnabled()) {
batchLog.debug("Fetched " + faults.count() + " to-one " + relationship.destinationEntity().name() + " from " + eos.count() + " " + source.entityName() + " for " + key);
}
return EOFaultHandler.isFault(eo);