/// <summary>
/// Determines if collection contains a node with given identifier
/// </summary>
/// <param name="identifier">Identifier to check</param>
/// <returns>True if contains</returns>
public bool Contains(TIdentifier identifier)
{
rwLock.AcquireReaderLock(-1);
try
{
return(storage.Contains(identifier));
}
finally
{
rwLock.ReleaseLock();
}
}
public Task <SimilarityResult> GetSimilarityScoreAsync(Dictionary <string, double> tfIdfSourceContext, Document targetDocument)
{
var tfIdfSourceVector = tfIdfSourceContext.Values.ToList();
var tfIdfTargetVector = tfIdfSourceContext.Keys.Select(t =>
{
var key = _tfIdfCacheKey(targetDocument, t);
return(_keyValueStorage.Contains(key)
? _keyValueStorage.Get <double>(key)
: 0d);
})
.ToList();
return(Task.FromResult(new SimilarityResult
{
Id = targetDocument.Id,
Score = GetCosineSimilarity(tfIdfSourceVector, tfIdfTargetVector)
}));
}
/// <summary>
/// Determines if collection contains a node with given identifier
/// </summary>
/// <param name="identifier">Identifier to check</param>
/// <returns>True if contains</returns>
public bool Contains(TIdentifier identifier)
{
return(storage.Contains(identifier));
}