private async Task <ICacheAwareReadObject> CreateCacheAwareReadObjectAsync(
BlobAttribute blobAttribute,
ValueBindingContext context)
{
var cancellationToken = context.CancellationToken;
var blob = await GetBlobAsync(blobAttribute, cancellationToken).ConfigureAwait(false);
switch (blobAttribute.Access)
{
case FileAccess.Read:
var readStream = await ReadBlobArgumentBinding.TryBindCacheAwareAsync(blob, context, _functionDataCache).ConfigureAwait(false);
return(readStream);
default:
throw new InvalidOperationException("Cannot bind blob to Stream using FileAccess ReadWrite.");
}
}
private async Task <Stream> CreateStreamAsync(
BlobAttribute blobAttribute,
ValueBindingContext context)
{
var cancellationToken = context.CancellationToken;
var blob = await GetBlobAsync(blobAttribute, cancellationToken).ConfigureAwait(false);
switch (blobAttribute.Access)
{
case FileAccess.Read:
var readStream = await ReadBlobArgumentBinding.TryBindStreamAsync(blob.BlobClient, context).ConfigureAwait(false);
return(readStream);
case FileAccess.Write:
var writeStream = await WriteBlobArgumentBinding.BindStreamAsync(blob,
context, _blobWrittenWatcherGetter.Value).ConfigureAwait(false);
return(writeStream);
default:
throw new InvalidOperationException("Cannot bind blob to Stream using FileAccess ReadWrite.");
}
}
private async Task <Stream> ConvertToStreamAsync(BlobBaseClient input, CancellationToken cancellationToken)
{
return(await ReadBlobArgumentBinding.TryBindStreamAsync(input, cancellationToken).ConfigureAwait(false));
}
private async Task <Stream> ConvertToStreamAsync(ICloudBlob input, CancellationToken cancellationToken)
{
WatchableReadStream watchableStream = await ReadBlobArgumentBinding.TryBindStreamAsync(input, cancellationToken);
return(watchableStream);
}
