private async Task WriteAsync(NetCore.Blobs.Blob blob, Stream sourceStream, CancellationToken cancellationToken)
{
string fullPath = ToFullPath(blob);
byte[] value = sourceStream.ToByteArray();
using (ServiceFabricTransaction tx = GetTransaction())
{
IReliableDictionary <string, byte[]> coll = await OpenCollectionAsync().ConfigureAwait(false);
IReliableDictionary <string, BlobMetaTag> metaColl = await OpenMetaCollectionAsync().ConfigureAwait(false);
var meta = new BlobMetaTag
{
LastModificationTime = DateTimeOffset.UtcNow,
Length = value.LongLength,
Md = value.GetHash(HashType.Md5).ToHexString()
};
await metaColl.AddOrUpdateAsync(tx.Tx, fullPath, meta, (k, v) => meta).ConfigureAwait(false);
await coll.AddOrUpdateAsync(tx.Tx, fullPath, value, (k, v) => value).ConfigureAwait(false);
await tx.CommitAsync().ConfigureAwait(false);
}
}
public async Task <IReadOnlyCollection <NetCore.Blobs.Blob> > GetBlobsAsync(IEnumerable <string> fullPaths, CancellationToken cancellationToken)
{
GenericValidation.CheckBlobFullPaths(fullPaths);
var result = new List <NetCore.Blobs.Blob>();
using (ServiceFabricTransaction tx = GetTransaction())
{
IReliableDictionary <string, byte[]> coll = await OpenCollectionAsync().ConfigureAwait(false);
foreach (string fullPath in fullPaths)
{
ConditionalValue <byte[]> value = await coll.TryGetValueAsync(tx.Tx, ToFullPath(fullPath)).ConfigureAwait(false);
if (!value.HasValue)
{
result.Add(null);
}
else
{
var meta = new NetCore.Blobs.Blob(fullPath)
{
Size = value.Value.Length
};
result.Add(meta);
}
}
}
return(result);
}
