public void Update(TDataType document)
{
TDataType oldData;
if (!_data.TryGetValue(DataDocument.GetDocumentId(document), out oldData))
{
throw new InstanceNotFoundException();
}
if (DataDocument.HasEtag <TDataType>())
{
if (DataDocument.GetDocumentEtag(oldData) != DataDocument.GetDocumentEtag(document))
{
throw new DBConcurrencyException();
}
}
DataDocument.SetDocumentEtagNew(document);
_data[DataDocument.GetDocumentId(document)] = document;
}
private static void InternalUpdate(TDataType document, IStructuredDataDictionary <TDataType> tbl)
{
var fetchedData = tbl.Fetch(new string[] { DataDocument.GetDocumentId(document) });
if (!fetchedData.Any())
{
throw new InstanceNotFoundException();
}
var oldData = fetchedData.First().Data;
var eTag = fetchedData.First().ETag;
if (DataDocument.HasEtag <TDataType>())
{
eTag = DataDocument.GetDocumentEtag(document);
if (DataDocument.GetDocumentEtag(oldData) != eTag)
{
throw new DBConcurrencyException();
}
}
tbl.Update(DataDocument.GetDocumentId(document), document, eTag);
}