private ReadInfo <TKey> StoreRead(TKey key)
{
byte[] data;
return(_store.Read(log =>
{
var mk = MapKeyToStoreAddress.TryGetValue(key);
if (!mk.Item1)
{
return null;
}
var address = mk.Item2;
Guid eTag;
data = ReadData(address.Position, address.Size, address.Key, out eTag);
return new ReadInfo <TKey>
{
Address =
new StoreAddress <TKey>
{
Key = address.Key,
Size = address.Size,
Position = address.Position
},
GetData =
delegate
{
Guid etag;
var retval = data ??
(data =
ReadData(address.Position, address.Size,
address.Key, out etag));
return retval;
},
ETag = eTag
};
}));
}
