Constructor QdrantEmbeddingStore

Namespace

LMKit.Data.Storage.Qdrant

Assembly

LM-Kit.NET.Data.Connectors.Qdrant.dll

QdrantEmbeddingStore(Uri, string, string)

Initializes a new instance of the QdrantEmbeddingStore.

public QdrantEmbeddingStore(Uri address, string apiKey = null, string certificateThumbprint = null)

Parameters

address Uri

The URI of the Qdrant service endpoint. Must not be null.

apiKey string

An optional API key for authentication.

certificateThumbprint string

An optional SHA-256 certificate thumbprint to enable secure GRPC communication. If provided, a secure channel is used; otherwise, a standard connection is created.

Exceptions

ArgumentNullException

Thrown when address is null.

QdrantEmbeddingStore(QdrantGrpcClient)

Initializes a new instance of the QdrantEmbeddingStore class using a pre-configured QdrantGrpcClient. This constructor is intended for use under .NET Framework to support HTTPS connections with secure gRPC communication.

public QdrantEmbeddingStore(QdrantGrpcClient grpcClient)

Parameters

grpcClient QdrantGrpcClient

A pre-configured instance of QdrantGrpcClient that is set up to use a secure channel (HTTPS) with custom certificate thumbprint validation and optional API key authentication.

Example usage under .NET Framework:

// Update with your API key and certificate thumbprint, if any.
string apiKey = ""; // update, if any
string tp = "YOUR_CERTIFICATE_THUMBPRINT";

// Create a secure gRPC channel using HTTPS and a custom WinHttpHandler for certificate validation.
var channel = GrpcChannel.ForAddress($"https://localhost:6334", new GrpcChannelOptions
{
    HttpHandler = new WinHttpHandler
    {
        ServerCertificateValidationCallback = CertificateValidation.Thumbprint(tp)
    }
});

// Intercept the call to add the API key to metadata.
var callInvoker = channel.Intercept(metadata0 =>
{
    metadata0.Add("api-key", apiKey);
    return metadata0;
});

// Create a QdrantGrpcClient using the intercepted call invoker.
var grpcClient = new QdrantGrpcClient(callInvoker);

// Instantiate the QdrantEmbeddingStore using the secure gRPC client.
var store = new QdrantEmbeddingStore(grpcClient);