.Net: Remove class constraint for VectorStore records.

dotnet/samples/Concepts/Memory/VectorStoreExtensions.cs

@@ -17,14 +17,14 @@ internal static class VectorStoreExtensions
     /// </summary>
     /// <typeparam name="TKey">Type of the record key.</typeparam>
     /// <typeparam name="TRecord">Type of the record.</typeparam>
-    internal delegate TRecord CreateRecordFromString<TKey, TRecord>(string text, ReadOnlyMemory<float> vector) where TKey : notnull where TRecord : class;
+    internal delegate TRecord CreateRecordFromString<TKey, TRecord>(string text, ReadOnlyMemory<float> vector) where TKey : notnull;
 
     /// <summary>
     /// Delegate to create a record from a <see cref="TextSearchResult"/>.
     /// </summary>
     /// <typeparam name="TKey">Type of the record key.</typeparam>
     /// <typeparam name="TRecord">Type of the record.</typeparam>
-    internal delegate TRecord CreateRecordFromTextSearchResult<TKey, TRecord>(TextSearchResult searchResult, ReadOnlyMemory<float> vector) where TKey : notnull where TRecord : class;
+    internal delegate TRecord CreateRecordFromTextSearchResult<TKey, TRecord>(TextSearchResult searchResult, ReadOnlyMemory<float> vector) where TKey : notnull;
 
     /// <summary>
     /// Create a <see cref="IVectorStoreRecordCollection{TKey, TRecord}"/> from a list of strings by:
@@ -45,7 +45,6 @@ internal static async Task<IVectorStoreRecordCollection<TKey, TRecord>> CreateCo
         ITextEmbeddingGenerationService embeddingGenerationService,
         CreateRecordFromString<TKey, TRecord> createRecord)
         where TKey : notnull
-        where TRecord : class
     {
         // Get and create collection if it doesn't exist.
         var collection = vectorStore.GetCollection<TKey, TRecord>(collectionName);
@@ -81,7 +80,6 @@ internal static async Task<IVectorStoreRecordCollection<TKey, TRecord>> CreateCo
         ITextEmbeddingGenerationService embeddingGenerationService,
         CreateRecordFromTextSearchResult<TKey, TRecord> createRecord)
         where TKey : notnull
-        where TRecord : class
     {
         // Get and create collection if it doesn't exist.
         var collection = vectorStore.GetCollection<TKey, TRecord>(collectionName);

dotnet/samples/Concepts/Memory/VectorStore_DataIngestion_CustomMapper.cs

@@ -2,6 +2,7 @@
 
 using System.Text.Json;
 using System.Text.Json.Nodes;
+using Azure.Identity;
 using Memory.VectorStoreFixtures;
 using Microsoft.Extensions.VectorData;
 using Microsoft.SemanticKernel.Connectors.AzureOpenAI;
@@ -58,7 +59,7 @@ public async Task ExampleAsync()
         var textEmbeddingGenerationService = new AzureOpenAITextEmbeddingGenerationService(
                 TestConfiguration.AzureOpenAIEmbeddings.DeploymentName,
                 TestConfiguration.AzureOpenAIEmbeddings.Endpoint,
-                TestConfiguration.AzureOpenAIEmbeddings.ApiKey);
+                new AzureCliCredential());
 
         // Initiate the docker container and construct the vector store using the custom factory for creating collections.
         await redisFixture.ManualInitializeAsync();
@@ -135,7 +136,6 @@ private sealed class Factory : IRedisVectorStoreRecordCollectionFactory
     {
         public IVectorStoreRecordCollection<TKey, TRecord> CreateVectorStoreRecordCollection<TKey, TRecord>(IDatabase database, string name, VectorStoreRecordDefinition? vectorStoreRecordDefinition)
             where TKey : notnull
-            where TRecord : class
         {
             // If the record definition is the glossary definition and the record type is the generic data model, inject the custom mapper into the collection options.
             if (vectorStoreRecordDefinition == s_glossaryDefinition && typeof(TRecord) == typeof(GenericDataModel))

dotnet/samples/Concepts/Search/VectorStore_TextSearch.cs

@@ -101,7 +101,7 @@ private async Task ExecuteSearchesAsync(VectorStoreTextSearch<DataModel> textSea
     /// </summary>
     /// <typeparam name="TKey">Type of the record key.</typeparam>
     /// <typeparam name="TRecord">Type of the record.</typeparam>
-    internal delegate TRecord CreateRecord<TKey, TRecord>(string text, ReadOnlyMemory<float> vector) where TKey : notnull where TRecord : class;
+    internal delegate TRecord CreateRecord<TKey, TRecord>(string text, ReadOnlyMemory<float> vector) where TKey : notnull;
 
     /// <summary>
     /// Create a <see cref="IVectorStoreRecordCollection{TKey, TRecord}"/> from a list of strings by:
@@ -122,7 +122,6 @@ internal static async Task<IVectorStoreRecordCollection<TKey, TRecord>> CreateCo
         ITextEmbeddingGenerationService embeddingGenerationService,
         CreateRecord<TKey, TRecord> createRecord)
         where TKey : notnull
-        where TRecord : class
     {
         // Get and create collection if it doesn't exist.
         var collection = vectorStore.GetCollection<TKey, TRecord>(collectionName);
@@ -143,7 +142,6 @@ internal static async Task<IVectorStoreRecordCollection<TKey, TRecord>> CreateCo
     /// Decorator for a <see cref="IVectorizedSearch{TRecord}"/> that generates embeddings for text search queries.
     /// </summary>
     private sealed class VectorizedSearchWrapper<TRecord>(IVectorizedSearch<TRecord> vectorizedSearch, ITextEmbeddingGenerationService textEmbeddingGeneration) : IVectorizableTextSearch<TRecord>
-        where TRecord : class
     {
         /// <inheritdoc/>
         public async Task<VectorSearchResults<TRecord>> VectorizableTextSearchAsync(string searchText, VectorSearchOptions? options = null, CancellationToken cancellationToken = default)

dotnet/samples/GettingStartedWithTextSearch/InMemoryVectorStoreFixture.cs

@@ -98,7 +98,7 @@ static DataModel CreateRecord(int index, string text, ReadOnlyMemory<float> embe
     /// </summary>
     /// <typeparam name="TKey">Type of the record key.</typeparam>
     /// <typeparam name="TRecord">Type of the record.</typeparam>
-    internal delegate TRecord CreateRecord<TKey, TRecord>(int index, string text, ReadOnlyMemory<float> vector) where TKey : notnull where TRecord : class;
+    internal delegate TRecord CreateRecord<TKey, TRecord>(int index, string text, ReadOnlyMemory<float> vector) where TKey : notnull;
 
     /// <summary>
     /// Create a <see cref="IVectorStoreRecordCollection{TKey, TRecord}"/> from a list of strings by:
@@ -113,7 +113,6 @@ private async Task<IVectorStoreRecordCollection<TKey, TRecord>> CreateCollection
         string[] entries,
         CreateRecord<TKey, TRecord> createRecord)
         where TKey : notnull
-        where TRecord : class
     {
         // Get and create collection if it doesn't exist.
         var collection = this.InMemoryVectorStore.GetCollection<TKey, TRecord>(this.CollectionName);

dotnet/src/Connectors/Connectors.Memory.AzureAISearch/AzureAISearchKernelBuilderExtensions.cs

@@ -72,7 +72,6 @@ public static IKernelBuilder AddAzureAISearchVectorStoreRecordCollection<TRecord
         string collectionName,
         AzureAISearchVectorStoreRecordCollectionOptions<TRecord>? options = default,
         string? serviceId = default)
-            where TRecord : class
     {
         builder.Services.AddAzureAISearchVectorStoreRecordCollection<TRecord>(collectionName, options, serviceId);
         return builder;
@@ -97,7 +96,6 @@ public static IKernelBuilder AddAzureAISearchVectorStoreRecordCollection<TRecord
         TokenCredential tokenCredential,
         AzureAISearchVectorStoreRecordCollectionOptions<TRecord>? options = default,
         string? serviceId = default)
-            where TRecord : class
     {
         builder.Services.AddAzureAISearchVectorStoreRecordCollection<TRecord>(collectionName, endpoint, tokenCredential, options, serviceId);
         return builder;
@@ -122,7 +120,6 @@ public static IKernelBuilder AddAzureAISearchVectorStoreRecordCollection<TRecord
         AzureKeyCredential credential,
         AzureAISearchVectorStoreRecordCollectionOptions<TRecord>? options = default,
         string? serviceId = default)
-            where TRecord : class
     {
         builder.Services.AddAzureAISearchVectorStoreRecordCollection<TRecord>(collectionName, endpoint, credential, options, serviceId);
         return builder;

dotnet/src/Connectors/Connectors.Memory.AzureAISearch/AzureAISearchServiceCollectionExtensions.cs

@@ -122,7 +122,6 @@ public static IServiceCollection AddAzureAISearchVectorStoreRecordCollection<TRe
         string collectionName,
         AzureAISearchVectorStoreRecordCollectionOptions<TRecord>? options = default,
         string? serviceId = default)
-            where TRecord : class
     {
         // If we are not constructing the SearchIndexClient, add the IVectorStore as transient, since we
         // cannot make assumptions about how SearchIndexClient is being managed.
@@ -163,7 +162,6 @@ public static IServiceCollection AddAzureAISearchVectorStoreRecordCollection<TRe
         TokenCredential tokenCredential,
         AzureAISearchVectorStoreRecordCollectionOptions<TRecord>? options = default,
         string? serviceId = default)
-            where TRecord : class
     {
         Verify.NotNull(endpoint);
         Verify.NotNull(tokenCredential);
@@ -207,7 +205,6 @@ public static IServiceCollection AddAzureAISearchVectorStoreRecordCollection<TRe
         AzureKeyCredential credential,
         AzureAISearchVectorStoreRecordCollectionOptions<TRecord>? options = default,
         string? serviceId = default)
-            where TRecord : class
     {
         Verify.NotNull(endpoint);
         Verify.NotNull(credential);
@@ -239,7 +236,6 @@ public static IServiceCollection AddAzureAISearchVectorStoreRecordCollection<TRe
     /// <param name="services">The service collection to register on.</param>
     /// <param name="serviceId">The service id that the registrations should use.</param>
     private static void AddVectorizedSearch<TRecord>(IServiceCollection services, string? serviceId)
-        where TRecord : class
     {
         services.AddKeyedTransient<IVectorizedSearch<TRecord>>(
             serviceId,

dotnet/src/Connectors/Connectors.Memory.AzureAISearch/AzureAISearchVectorStore.cs

@@ -44,7 +44,6 @@ public AzureAISearchVectorStore(SearchIndexClient searchIndexClient, AzureAISear
     /// <inheritdoc />
     public IVectorStoreRecordCollection<TKey, TRecord> GetCollection<TKey, TRecord>(string name, VectorStoreRecordDefinition? vectorStoreRecordDefinition = null)
         where TKey : notnull
-        where TRecord : class
     {
         if (typeof(TKey) != typeof(string))
         {

dotnet/src/Connectors/Connectors.Memory.AzureAISearch/AzureAISearchVectorStoreRecordCollection.cs

@@ -25,7 +25,6 @@ namespace Microsoft.SemanticKernel.Connectors.AzureAISearch;
 #pragma warning disable CA1711 // Identifiers should not have incorrect suffix
 public sealed class AzureAISearchVectorStoreRecordCollection<TRecord> : IVectorStoreRecordCollection<string, TRecord>, IVectorizableTextSearch<TRecord>
 #pragma warning restore CA1711 // Identifiers should not have incorrect suffix
-    where TRecord : class
 {
     /// <summary>The name of this database for telemetry purposes.</summary>
     private const string DatabaseName = "AzureAISearch";
@@ -424,7 +423,7 @@ public Task<VectorSearchResults<TRecord>> VectorizableTextSearchAsync(string sea
 
             if (jsonObject is null)
             {
-                return null;
+                return default;
             }
 
             return VectorStoreErrorHandler.RunModelConversion(

dotnet/src/Connectors/Connectors.Memory.AzureAISearch/AzureAISearchVectorStoreRecordCollectionOptions.cs

@@ -11,7 +11,6 @@ namespace Microsoft.SemanticKernel.Connectors.AzureAISearch;
 /// Options when creating a <see cref="AzureAISearchVectorStoreRecordCollection{TRecord}"/>.
 /// </summary>
 public sealed class AzureAISearchVectorStoreRecordCollectionOptions<TRecord>
-    where TRecord : class
 {
     /// <summary>
     /// Gets or sets an optional custom mapper to use when converting between the data model and the Azure AI Search record.

dotnet/src/Connectors/Connectors.Memory.AzureAISearch/IAzureAISearchVectorStoreRecordCollectionFactory.cs

@@ -20,6 +20,5 @@ public interface IAzureAISearchVectorStoreRecordCollectionFactory
     /// <param name="vectorStoreRecordDefinition">An optional record definition that defines the schema of the record type. If not present, attributes on <typeparamref name="TRecord"/> will be used.</param>
     /// <returns>The new instance of <see cref="IVectorStoreRecordCollection{TKey, TRecord}"/>.</returns>
     IVectorStoreRecordCollection<TKey, TRecord> CreateVectorStoreRecordCollection<TKey, TRecord>(SearchIndexClient searchIndexClient, string name, VectorStoreRecordDefinition? vectorStoreRecordDefinition)
-        where TKey : notnull
-        where TRecord : class;
+        where TKey : notnull;
 }

dotnet/src/Connectors/Connectors.Memory.AzureCosmosDBMongoDB/AzureCosmosDBMongoDBKernelBuilderExtensions.cs

@@ -64,7 +64,6 @@ public static IKernelBuilder AddAzureCosmosDBMongoDBVectorStoreRecordCollection<
         string collectionName,
         AzureCosmosDBMongoDBVectorStoreRecordCollectionOptions<TRecord>? options = default,
         string? serviceId = default)
-        where TRecord : class
     {
         builder.Services.AddAzureCosmosDBMongoDBVectorStoreRecordCollection<TRecord>(collectionName, options, serviceId);
         return builder;
@@ -89,7 +88,6 @@ public static IKernelBuilder AddAzureCosmosDBMongoDBVectorStoreRecordCollection<
         string databaseName,
         AzureCosmosDBMongoDBVectorStoreRecordCollectionOptions<TRecord>? options = default,
         string? serviceId = default)
-        where TRecord : class
     {
         builder.Services.AddAzureCosmosDBMongoDBVectorStoreRecordCollection<TRecord>(collectionName, connectionString, databaseName, options, serviceId);
         return builder;

dotnet/src/Connectors/Connectors.Memory.AzureCosmosDBMongoDB/AzureCosmosDBMongoDBServiceCollectionExtensions.cs

@@ -93,7 +93,6 @@ public static IServiceCollection AddAzureCosmosDBMongoDBVectorStoreRecordCollect
         string collectionName,
         AzureCosmosDBMongoDBVectorStoreRecordCollectionOptions<TRecord>? options = default,
         string? serviceId = default)
-        where TRecord : class
     {
         services.AddKeyedTransient<IVectorStoreRecordCollection<string, TRecord>>(
             serviceId,
@@ -129,7 +128,6 @@ public static IServiceCollection AddAzureCosmosDBMongoDBVectorStoreRecordCollect
         string databaseName,
         AzureCosmosDBMongoDBVectorStoreRecordCollectionOptions<TRecord>? options = default,
         string? serviceId = default)
-        where TRecord : class
     {
         services.AddKeyedSingleton<IVectorStoreRecordCollection<string, TRecord>>(
             serviceId,
@@ -158,7 +156,6 @@ public static IServiceCollection AddAzureCosmosDBMongoDBVectorStoreRecordCollect
     /// <param name="services">The service collection to register on.</param>
     /// <param name="serviceId">The service id that the registrations should use.</param>
     private static void AddVectorizedSearch<TRecord>(IServiceCollection services, string? serviceId)
-        where TRecord : class
     {
         services.AddKeyedTransient<IVectorizedSearch<TRecord>>(
             serviceId,

dotnet/src/Connectors/Connectors.Memory.AzureCosmosDBMongoDB/AzureCosmosDBMongoDBVectorStore.cs

@@ -39,7 +39,6 @@ public AzureCosmosDBMongoDBVectorStore(IMongoDatabase mongoDatabase, AzureCosmos
     /// <inheritdoc />
     public IVectorStoreRecordCollection<TKey, TRecord> GetCollection<TKey, TRecord>(string name, VectorStoreRecordDefinition? vectorStoreRecordDefinition = null)
         where TKey : notnull
-        where TRecord : class
     {
         if (typeof(TKey) != typeof(string))
         {

dotnet/src/Connectors/Connectors.Memory.AzureCosmosDBMongoDB/AzureCosmosDBMongoDBVectorStoreRecordCollection.cs

@@ -19,7 +19,7 @@ namespace Microsoft.SemanticKernel.Connectors.AzureCosmosDBMongoDB;
 /// </summary>
 /// <typeparam name="TRecord">The data model to use for adding, updating and retrieving data from storage.</typeparam>
 #pragma warning disable CA1711 // Identifiers should not have incorrect suffix
-public sealed class AzureCosmosDBMongoDBVectorStoreRecordCollection<TRecord> : IVectorStoreRecordCollection<string, TRecord> where TRecord : class
+public sealed class AzureCosmosDBMongoDBVectorStoreRecordCollection<TRecord> : IVectorStoreRecordCollection<string, TRecord>
 #pragma warning restore CA1711 // Identifiers should not have incorrect suffix
 {
     /// <summary>The name of this database for telemetry purposes.</summary>
@@ -157,7 +157,7 @@ public Task DeleteCollectionAsync(CancellationToken cancellationToken = default)
 
         if (record is null)
         {
-            return null;
+            return default;
         }
 
         return VectorStoreErrorHandler.RunModelConversion(

dotnet/src/Connectors/Connectors.Memory.AzureCosmosDBMongoDB/AzureCosmosDBMongoDBVectorStoreRecordCollectionOptions.cs

@@ -8,7 +8,7 @@ namespace Microsoft.SemanticKernel.Connectors.AzureCosmosDBMongoDB;
 /// <summary>
 /// Options when creating a <see cref="AzureCosmosDBMongoDBVectorStoreRecordCollection{TRecord}"/>.
 /// </summary>
-public sealed class AzureCosmosDBMongoDBVectorStoreRecordCollectionOptions<TRecord> where TRecord : class
+public sealed class AzureCosmosDBMongoDBVectorStoreRecordCollectionOptions<TRecord>
 {
     /// <summary>
     /// Gets or sets an optional custom mapper to use when converting between the data model and the Azure CosmosDB MongoDB BSON object.

dotnet/src/Connectors/Connectors.Memory.AzureCosmosDBMongoDB/AzureCosmosDBMongoDBVectorStoreRecordMapper.cs

@@ -11,7 +11,6 @@
 namespace Microsoft.SemanticKernel.Connectors.AzureCosmosDBMongoDB;
 
 internal sealed class AzureCosmosDBMongoDBVectorStoreRecordMapper<TRecord> : IVectorStoreRecordMapper<TRecord, BsonDocument>
-    where TRecord : class
 {
     /// <summary>A key property info of the data model.</summary>
     private readonly PropertyInfo _keyProperty;

dotnet/src/Connectors/Connectors.Memory.AzureCosmosDBMongoDB/IAzureCosmosDBMongoDBVectorStoreRecordCollectionFactory.cs

@@ -20,6 +20,5 @@ public interface IAzureCosmosDBMongoDBVectorStoreRecordCollectionFactory
     /// <param name="vectorStoreRecordDefinition">An optional record definition that defines the schema of the record type. If not present, attributes on <typeparamref name="TRecord"/> will be used.</param>
     /// <returns>The new instance of <see cref="IVectorStoreRecordCollection{TKey, TRecord}"/>.</returns>
     IVectorStoreRecordCollection<TKey, TRecord> CreateVectorStoreRecordCollection<TKey, TRecord>(IMongoDatabase mongoDatabase, string name, VectorStoreRecordDefinition? vectorStoreRecordDefinition)
-        where TKey : notnull
-        where TRecord : class;
+        where TKey : notnull;
 }

dotnet/src/Connectors/Connectors.Memory.AzureCosmosDBNoSQL/AzureCosmosDBNoSQLKernelBuilderExtensions.cs

@@ -69,7 +69,6 @@ public static IKernelBuilder AddAzureCosmosDBNoSQLVectorStoreRecordCollection<TR
         string collectionName,
         AzureCosmosDBNoSQLVectorStoreRecordCollectionOptions<TRecord>? options = default,
         string? serviceId = default)
-        where TRecord : class
     {
         builder.Services.AddAzureCosmosDBNoSQLVectorStoreRecordCollection<TRecord>(collectionName, options, serviceId);
         return builder;
@@ -94,7 +93,6 @@ public static IKernelBuilder AddAzureCosmosDBNoSQLVectorStoreRecordCollection<TR
         string databaseName,
         AzureCosmosDBNoSQLVectorStoreRecordCollectionOptions<TRecord>? options = default,
         string? serviceId = default)
-        where TRecord : class
     {
         builder.Services.AddAzureCosmosDBNoSQLVectorStoreRecordCollection<TRecord>(collectionName, connectionString, databaseName, options, serviceId);
         return builder;

dotnet/src/Connectors/Connectors.Memory.AzureCosmosDBNoSQL/AzureCosmosDBNoSQLServiceCollectionExtensions.cs

@@ -94,7 +94,6 @@ public static IServiceCollection AddAzureCosmosDBNoSQLVectorStoreRecordCollectio
         string collectionName,
         AzureCosmosDBNoSQLVectorStoreRecordCollectionOptions<TRecord>? options = default,
         string? serviceId = default)
-        where TRecord : class
     {
         services.AddKeyedTransient<IVectorStoreRecordCollection<string, TRecord>>(
             serviceId,
@@ -130,7 +129,6 @@ public static IServiceCollection AddAzureCosmosDBNoSQLVectorStoreRecordCollectio
         string databaseName,
         AzureCosmosDBNoSQLVectorStoreRecordCollectionOptions<TRecord>? options = default,
         string? serviceId = default)
-        where TRecord : class
     {
         services.AddKeyedSingleton<IVectorStoreRecordCollection<string, TRecord>>(
             serviceId,
@@ -160,7 +158,6 @@ public static IServiceCollection AddAzureCosmosDBNoSQLVectorStoreRecordCollectio
     /// <param name="services">The service collection to register on.</param>
     /// <param name="serviceId">The service id that the registrations should use.</param>
     private static void AddVectorizedSearch<TRecord>(IServiceCollection services, string? serviceId)
-        where TRecord : class
     {
         services.AddKeyedTransient<IVectorizedSearch<TRecord>>(
             serviceId,

dotnet/src/Connectors/Connectors.Memory.AzureCosmosDBNoSQL/AzureCosmosDBNoSQLVectorStore.cs

@@ -39,7 +39,6 @@ public AzureCosmosDBNoSQLVectorStore(Database database, AzureCosmosDBNoSQLVector
     /// <inheritdoc />
     public IVectorStoreRecordCollection<TKey, TRecord> GetCollection<TKey, TRecord>(string name, VectorStoreRecordDefinition? vectorStoreRecordDefinition = null)
         where TKey : notnull
-        where TRecord : class
     {
         if (typeof(TKey) != typeof(string) && typeof(TKey) != typeof(AzureCosmosDBNoSQLCompositeKey))
         {

dotnet/src/Connectors/Connectors.Memory.AzureCosmosDBNoSQL/AzureCosmosDBNoSQLVectorStoreRecordCollection.cs

@@ -25,7 +25,6 @@ namespace Microsoft.SemanticKernel.Connectors.AzureCosmosDBNoSQL;
 public sealed class AzureCosmosDBNoSQLVectorStoreRecordCollection<TRecord> :
     IVectorStoreRecordCollection<string, TRecord>,
     IVectorStoreRecordCollection<AzureCosmosDBNoSQLCompositeKey, TRecord>
-    where TRecord : class
 #pragma warning restore CA1711 // Identifiers should not have incorrect
 {
     /// <summary>The name of this database for telemetry purposes.</summary>