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  9. SearchNext

SearchNext

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SearchNext(ChunkSearchToken)

Continues the chunk search started with method Search.

public SearchResult SearchNext(ChunkSearchToken chunkSearchToken)
Parameter Type Description
chunkSearchToken ChunkSearchToken The chunk search token.

Return Value

The search result.

Examples

The example demonstrates how to perform chunk search.

string indexFolder = @"c:\MyIndex\";
string documentsFolder = @"c:\MyDocuments\";
string query = "Einstein";

Index index = new Index(indexFolder); // Creating index in the specified folder
index.Add(documentsFolder); // Indexing documents from the specified folder

SearchOptions options = new SearchOptions();
options.IsChunkSearch = true; // Enabling chunk search

SearchResult result = index.Search(query, options); // Starting chunk search
Console.WriteLine("Document count: " + result.DocumentCount);
Console.WriteLine("Occurrence count: " + result.OccurrenceCount);

while (result.NextChunkSearchToken != null)
{
    result = index.SearchNext(result.NextChunkSearchToken); // Continuing chunk search
    Console.WriteLine("Document count: " + result.DocumentCount);
    Console.WriteLine("Occurrence count: " + result.OccurrenceCount);
}

See Also

SearchNext(ChunkSearchToken, Cancellation)

Continues the chunk search started with method Search.

public SearchResult SearchNext(ChunkSearchToken chunkSearchToken, Cancellation cancellation)
Parameter Type Description
chunkSearchToken ChunkSearchToken The chunk search token.
cancellation Cancellation The cancellation object.

Return Value

The search result.

Examples

The example demonstrates how to perform search using query in object form.

string indexFolder = @"c:\MyIndex\";
string documentsFolder = @"c:\MyDocuments\";
string query = "Einstein";

Index index = new Index(indexFolder); // Creating index in the specified folder
index.Add(documentsFolder); // Indexing documents from the specified folder

Cancellation cancellation = new Cancellation(); // This cancellation object aborts all search continuations if canceled
SearchOptions options = new SearchOptions();
options.IsChunkSearch = true; // Enabling chunk search
options.Cancellation = cancellation;

SearchResult result = index.Search(query, options); // Starting chunk search
Console.WriteLine("Document count: " + result.DocumentCount);
Console.WriteLine("Occurrence count: " + result.OccurrenceCount);

while (result.NextChunkSearchToken != null)
{
    result = index.SearchNext(result.NextChunkSearchToken, cancellation); // Continuing chunk search
    Console.WriteLine("Document count: " + result.DocumentCount);
    Console.WriteLine("Occurrence count: " + result.OccurrenceCount);
}

See Also

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