Class UpstreamUpdatesSource

Retrieves updates from the Microsoft Update catalog or a WSUS upstream server.

Inheritance
System.Object
UpstreamUpdatesSource
Implements
Namespace: Microsoft.PackageGraph.MicrosoftUpdate.Source
Assembly: package-graph-microsoftupdate-source.dll
Syntax
public class UpstreamUpdatesSource : IMetadataSource

Constructors

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UpstreamUpdatesSource(Endpoint, UpstreamSourceFilter)

Create a new MicrosoftUpdate package source that retrieves updates from the specified endpoint

Declaration
public UpstreamUpdatesSource(Endpoint upstreamEndpoint, UpstreamSourceFilter filter)
Parameters
Type Name Description
Endpoint upstreamEndpoint

Endpoint to get updates from
UpstreamSourceFilter filter

Filter to apply when retrieving updates from this source.

Methods

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ContainsMetadata(IPackageIdentity)

Not implemented for an upstream update source

Declaration
public bool ContainsMetadata(IPackageIdentity packageIdentity)
Parameters
Type Name Description
IPackageIdentity packageIdentity

Indentity of package to lookup
Returns
Type Description
System.Boolean

True if found, false otherwise
Exceptions
Type Condition
System.NotImplementedException
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CopyTo(IMetadataSink, IMetadataFilter, CancellationToken)

Copies select package metadata from this source to the target metadata sink

Declaration
public void CopyTo(IMetadataSink destination, IMetadataFilter filter, CancellationToken cancelToken)
Parameters
Type Name Description
IMetadataSink destination

Metadata destination
IMetadataFilter filter

Filter to apply during copy
System.Threading.CancellationToken cancelToken

Cancellation token
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CopyTo(IMetadataSink, CancellationToken)

Copies all package metadata from this source to the target metadata sink

Declaration
public void CopyTo(IMetadataSink destination, CancellationToken cancelToken)
Parameters
Type Name Description
IMetadataSink destination

Metadata destination
System.Threading.CancellationToken cancelToken

Cancellation token
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GetFiles<T>(IPackageIdentity)

Not implemented for an upstream update source

Declaration
public List<T> GetFiles<T>(IPackageIdentity packageIdentity)
Parameters
Type Name Description
IPackageIdentity packageIdentity

Identity of the package to retrieve files for.
Returns
Type Description
System.Collections.Generic.List<T>

List of files in the package
Type Parameters
Name Description
T

Type of file to retrieve.
Exceptions
Type Condition
System.NotImplementedException
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GetMetadata(IPackageIdentity)

Not implemented for an upstream update source

Declaration
public Stream GetMetadata(IPackageIdentity packageIdentity)
Parameters
Type Name Description
IPackageIdentity packageIdentity

Identity of update to retrieve
Returns
Type Description
System.IO.Stream

Update metadata as stream
Exceptions
Type Condition
System.NotImplementedException

Events

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MetadataCopyProgress

Progress indicator during metadata copy operations

Declaration
public event EventHandler<PackageStoreEventArgs> MetadataCopyProgress
Event Type
Type Description
System.EventHandler<PackageStoreEventArgs>
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OpenProgress

Progress indicator during source open operations. Not used by UpstreamUpdatesSource.

Declaration
public event EventHandler<PackageStoreEventArgs> OpenProgress
Event Type
Type Description
System.EventHandler<PackageStoreEventArgs>

Implements