public Stream OpenRead(IndexedBlobReadOptions options = null)
{
Stream stream;
if (_store.Cache.TryGet(FileKey, out stream))
{
return(stream);
}
if (options == null)
{
options = _defaultReadOptions;
}
var index = 0;
if (options.UseSpecificLoadBalancedBlob.HasValue)
{
index = Math.Min(options.UseSpecificLoadBalancedBlob.Value, _entity.BlobCount - 1);
}
else if (_entity.BlobCount > 1)
{
index = _random.Next(_entity.BlobCount);
}
var blob = _store.Container.GetBlockBlobReference(string.Format("{0}-{1}", FileKey, index));
blob.StreamMinimumReadSizeInBytes = options.StreamMinimumReadSizeInBytes;
stream = blob.OpenRead(options: options.BlobRequestOptions);
return(_store.Cache.Add(FileKey, stream, _entity.Length));
}
public CloudReadonlyIndexedBlob(IIndexedBlobEntity entity, CloudIndexedBlobStore store, IndexedBlobReadOptions defaultReadOptions)
{
_entity = entity;
_store = store;
_defaultReadOptions = defaultReadOptions;
_random = new Random();
Length = entity.Length;
_properties = new Lazy <Dictionary <string, string> >(LoadProperties);
}
internal IndexedBlobStoreClient(CloudIndexedBlobStore store)
{
_store = store;
DefaultStorageOptions = new IndexedBlobStorageOptions();
DefaultReadOptions = new IndexedBlobReadOptions();
}
