public bool TrySave(DataCollection collection, out DataCollectionHashCode hashCode)
{
hashCode = GetByDataCollectionId(collection.Id);
if (hashCode == null || hashCode.UpdateHashCode(collection))
{
if (hashCode == null)
{
hashCode = collection.NewDataCollectionHashCode();
}
Save(hashCode);
return true;
}
return false;
}
