public void Commit()
{
var batch = new StructuredDataBatchRequest
{
ReturnBox = _inbox.Name,
Request = Commands
};
_server.Enqueue(batch);
_server.Send();
var reply = _inbox.WaitForMessages <PutResult>(TimeSpan.FromMinutes(2.0));
if (!reply.Any())
{
throw new TimeoutException();
}
_commands.Clear();
if (reply.First().Code == PutResultCode.Ok)
{
return;
}
var innerExceptions = new List <Exception>();
foreach (var result in reply)
{
var info = string.Format("For {0}: {1}", result.Key, result.Message);
switch (result.Code)
{
case PutResultCode.Concurrency:
innerExceptions.Add(new DBConcurrencyException(info));
break;
case PutResultCode.StorageCapacity:
innerExceptions.Add(new EndOfStreamException(info));
break;
default:
innerExceptions.Add(new ApplicationException(info));
break;
}
}
var badResult = new AggregateException(innerExceptions);
throw badResult;
}
internal IEnumerable <string> GetTableKeys(string tableName)
{
var batch = new StructuredDataBatchRequest
{
ReturnBox = _inbox.Name,
Request = EnumerableEx.OfOne(new StructuredDataRequest
{
Table = tableName,
RequestCode = StructuredDataRequestCode.ReadKeys
})
};
_server.Enqueue(batch);
_server.Send();
var reply = _inbox.WaitForMessages <string>(TimeSpan.FromMinutes(2.0));
return(reply);
}
internal IEnumerable <ReadAtom <T> > Fetch <T>(string table, IEnumerable <string> keys)
{
var batch = new StructuredDataBatchRequest
{
ReturnBox = _inbox.Name,
Request = keys.Select(k =>
new StructuredDataRequest
{
Table = table,
Key = k,
RequestCode = StructuredDataRequestCode.Read
})
};
_server.Enqueue(batch);
_server.Send();
var reply = _inbox.WaitForMessages <ReadAtomLarva>(TimeSpan.FromMinutes(2.0));
if (!reply.Any())
{
throw new TimeoutException();
}
var firstItem = reply.First();
if (null == firstItem || string.IsNullOrEmpty(firstItem.Key) || null == firstItem.Data)
{
return(Enumerable.Empty <ReadAtom <T> >());
}
return(reply.Select(item =>
{
var ms = new MemoryStream(item.Data);
var reader = new BsonReader(ms);
var serializer = new JsonSerializer();
var data = serializer.Deserialize <T>(reader);
return new ReadAtom <T> {
Data = data, ETag = item.ETag, Key = item.Key
};
}));
}
