Interface ICollectionSourceIndexer

Namespace

EncDotNet.S100.Collections.Indexing

Assembly

EncDotNet.S100.Collections.dll

Turns one kind of CollectionSource into a SourceIndex without loading the datasets it describes.

public interface ICollectionSourceIndexer

Methods

CanIndex(CollectionSource)

Returns true when this indexer handles source.

bool CanIndex(CollectionSource source)

Parameters

source CollectionSource

Returns

bool

GetFingerprintAsync(CollectionSource, CancellationToken)

Cheaply computes a fingerprint of the source's current state. When it equals a previous index's Fingerprint, that index is still valid. Returns null when the state cannot be determined (for example the source is unavailable).

ValueTask<string?> GetFingerprintAsync(CollectionSource source, CancellationToken cancellationToken)

Parameters

source CollectionSource

cancellationToken CancellationToken

Returns

ValueTask<string>

IndexAsync(CollectionSource, IProgress<IndexProgress>?, CancellationToken)

Indexes source.

ValueTask<SourceIndex> IndexAsync(CollectionSource source, IProgress<IndexProgress>? progress, CancellationToken cancellationToken)

Parameters

source CollectionSource

progress IProgress<IndexProgress>

cancellationToken CancellationToken

Returns

ValueTask<SourceIndex>