Interface IContentStore

Download, storage and retrieval for package content (update content). Stores IContentFile

Namespace: Microsoft.PackageGraph.Storage

Assembly: package-graph-microsoft-update.dll

Syntax

public interface IContentStore

Properties

DownloadedSize

The size in bytes of content downloaded during the current download operation

Declaration

long DownloadedSize { get; }

Property Value

Type	Description
System.Int64

QueuedCount

The count of content files left to be downloaded in the current download operation

Declaration

int QueuedCount { get; }

Property Value

Type	Description
System.Int32

QueuedSize

The size in bytes of content left to be downloaded in the current download operation

Declaration

long QueuedSize { get; }

Property Value

Type	Description
System.Int64

Methods

Contains(IContentFile)

Checks if a content file has been downloaded

Declaration

bool Contains(IContentFile file)

Parameters

Type	Name	Description
IContentFile	file	File to check if it was downloaded

Returns

Type	Description
System.Boolean	True if the file was downloaded, false otherwise

Contains(IContentFileDigest, out String)

Checks if an update file (by hash) has been downloaded

Declaration

bool Contains(IContentFileDigest fileDigest, out string fileName)

Parameters

Type	Name	Description
IContentFileDigest	fileDigest	File hash to check if it was downloaded
System.String	fileName	If the store contains the file by hash, this parameter receives the original file name

Returns

Type	Description
System.Boolean	True if the file was downloaded, false otherwise

Download(IEnumerable<IContentFile>, CancellationToken)

Downloads the specified update content files.

Declaration

void Download(IEnumerable<IContentFile> files, CancellationToken cancelToken)

Parameters

Type	Name	Description
System.Collections.Generic.IEnumerable<IContentFile>	files	List of update content files to download
System.Threading.CancellationToken	cancelToken	Cancellation token for aborting the operation

DownloadAsync(IContentFile, CancellationToken)

Downloads the specified update content file

Declaration

Task DownloadAsync(IContentFile file, CancellationToken cancelToken)

Parameters

Type	Name	Description
IContentFile	file
System.Threading.CancellationToken	cancelToken

Returns

Type	Description
System.Threading.Tasks.Task

Get(IContentFile)

Gets a read only stream for an update content file

Declaration

Stream Get(IContentFile updateFile)

Parameters

Type	Name	Description
IContentFile	updateFile	The update file to open

Returns

Type	Description
System.IO.Stream	Read only stream for the requested update content file

Get(IContentFileDigest)

Gets a read only stream for an update content file (by hash)

Declaration

Stream Get(IContentFileDigest fileDigest)

Parameters

Type	Name	Description
IContentFileDigest	fileDigest	The update file (by hash) to open

Returns

Type	Description
System.IO.Stream	Read only stream for the requested update content file

GetUri(IContentFile)

Gets the source URI for the update content file

Declaration

string GetUri(IContentFile updateFile)

Parameters

Type	Name	Description
IContentFile	updateFile	The update file

Returns

Type	Description
System.String	Source Uri for the content file

GetUri(IContentFileDigest)

Gets an URI for the content file (by hash)

Declaration

string GetUri(IContentFileDigest fileDigest)

Parameters

Type	Name	Description
IContentFileDigest	fileDigest	The update file hash

Returns

Type	Description
System.String	Uri to content file

Events

Progress

Raised on progress for long running content store operations

Declaration

event EventHandler<ContentOperationProgress> Progress

Event Type

Type	Description
System.EventHandler<ContentOperationProgress>	Progress data.