baseline: OpenMU upstream b5a0961 (fresh source)

src/Persistence/InMemory/InMemoryRepositoryProvider.cs

@@ -0,0 +1,53 @@
+// <copyright file="InMemoryRepositoryProvider.cs" company="MUnique">
+// Licensed under the MIT License. See LICENSE file in the project root for full license information.
+// </copyright>
+
+namespace MUnique.OpenMU.Persistence.InMemory;
+
+using MUnique.OpenMU.Persistence.BasicModel;
+
+/// <summary>
+/// A repository provider which creates new in-memory repositories on-demand.
+/// </summary>
+public class InMemoryRepositoryProvider : BaseRepositoryProvider
+{
+    /// <summary>
+    /// Gets all <see cref="IMemoryRepository"/> which were added to this manager.
+    /// </summary>
+    internal IEnumerable<IMemoryRepository> MemoryRepositories => base.Repositories.Values.OfType<IMemoryRepository>();
+
+    /// <summary>
+    /// Gets the memory repository, and creates it if it wasn't created yet.
+    /// </summary>
+    /// <typeparam name="T">The type of the business object.</typeparam>
+    /// <returns>The memory repository.</returns>
+    public new IRepository<T> GetRepository<T>()
+        where T : class
+    {
+        var repository = this.InternalGetRepository(typeof(T)) ?? this.CreateAndRegisterMemoryRepository(typeof(T));
+        return new InMemoryRepositoryAdapter<T>((IMemoryRepository)repository);
+    }
+
+    /// <summary>
+    /// Gets the repository of the specified type.
+    /// </summary>
+    /// <param name="objectType">Type of the object.</param>
+    /// <returns>The repository of the specified type.</returns>
+    public new IRepository GetRepository(Type objectType)
+    {
+        var repository = this.InternalGetRepository(objectType) ?? this.CreateAndRegisterMemoryRepository(objectType);
+
+        return repository;
+    }
+
+    private IRepository CreateAndRegisterMemoryRepository(Type type)
+    {
+        var baseModelAssembly = typeof(GameConfiguration).Assembly;
+        var persistentType = baseModelAssembly.GetPersistentTypeOf(type) ?? type;
+        var repositoryType = typeof(MemoryRepository<>).MakeGenericType(persistentType);
+        var repository = (IRepository)Activator.CreateInstance(repositoryType)!;
+        var baseType = type.Assembly == baseModelAssembly ? type.BaseType ?? type : type;
+        this.RegisterRepository(baseType, repository!);
+        return repository;
+    }
+}