增加Prism 框架

Source/MAX.Core/DependencyInjection/LazyServiceProvider.cs

@@ -0,0 +1,36 @@
+using MAX.Core.Infrastructure;
+using System;
+using System.Collections.Concurrent;
+
+namespace MAX.Core.DependencyInjection;
+
+public interface ILazyServiceProvider
+{
+	object LazyGetService(Type serviceType);
+	T LazyGetService<T>();
+}
+
+public class LazyServiceProvider : SingleInstance<LazyServiceProvider>, ILazyServiceProvider
+{
+	protected ConcurrentDictionary<Type, Lazy<object>> CachedServices { get; }
+	private LazyServiceProvider()
+	{
+		CachedServices = new ConcurrentDictionary<Type, Lazy<object>>();
+	}
+	public virtual T LazyGetService<T>()
+	{
+		return (T)LazyGetService(typeof(T));
+	}
+
+	public virtual object LazyGetService(Type serviceType)
+	{
+		return GetService(serviceType);
+	}
+	public virtual object GetService(Type serviceType)
+	{
+		return CachedServices.GetOrAdd(
+			serviceType,
+			_ => new Lazy<object>(() => IocManager.Resolve(serviceType))
+		).Value;
+	}
+}