/// <summary>
/// Creates a commit from the provided definition
/// </summary>
/// <param name="streamId"></param>
/// <param name="commitDefinition"></param>
/// <returns></returns>
private ICommit CreateCommitFromDefinition(WrappedPageBlob blob, PageBlobCommitDefinition commitDefinition)
{
var startIndex = commitDefinition.StartPage * BlobPageSize;
var endIndex = startIndex + commitDefinition.DataSizeBytes;
var downloadedData = blob.DownloadBytes(startIndex, endIndex, true);
using (var ms = new MemoryStream(downloadedData, false))
{
AzureBlobCommit azureBlobCommit;
try
{
azureBlobCommit = _serializer.Deserialize <AzureBlobCommit>(ms);
}
catch (Exception ex)
{
var message = $"Blob with uri [{((CloudPageBlob) blob).Uri}] is corrupt.";
Logger.Fatal(message);
throw new InvalidDataException(message, ex);
}
return(CreateCommitFromAzureBlobCommit(azureBlobCommit));
}
}
/// <summary>
/// Adds a PageBlobCommitDefinition to the end of the list.
/// </summary>
/// <param name="definition">The definition to be added</param>
public void AppendPageBlobCommitDefinition(PageBlobCommitDefinition definition)
{
_pageBlobCommitDefinitions.Add(definition);
}