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56 lines
1.6 KiB
C#

using DS.Module.Core.Extensions;
using Microsoft.Extensions.DependencyInjection;
namespace DS.Module.Core.Modules;
public class LazyServiceProvider: ILazyServiceProvider,ITransientDependency
{
protected Dictionary<Type, object> CacheServices { get; set; }
protected IServiceProvider ServiceProvider { get; set; }
public LazyServiceProvider(IServiceProvider serviceProvider)
{
ServiceProvider = serviceProvider;
CacheServices = new Dictionary<Type, object>();
}
public T LazyGetRequiredService<T>()
{
return (T)LazyGetRequiredService(typeof(T));
}
public object LazyGetRequiredService(Type serviceType)
{
return CacheServices.GetOrAdd(serviceType, serviceType => ServiceProvider.GetRequiredService(serviceType));
}
public T LazyGetService<T>()
{
return (T)LazyGetService(typeof(T));
}
public object LazyGetService(Type serviceType)
{
return CacheServices.GetOrAdd(serviceType, serviceType => ServiceProvider.GetService(serviceType));
}
public T LazyGetService<T>(T defaultValue)
{
return (T)LazyGetService(typeof(T), defaultValue);
}
public object LazyGetService(Type serviceType, object defaultValue)
{
return LazyGetService(serviceType) ?? defaultValue;
}
public object LazyGetService(Type serviceType, Func<IServiceProvider, object> factory)
{
return CacheServices.GetOrAdd(serviceType, serviceType => factory(ServiceProvider));
}
public T LazyGetService<T>(Func<IServiceProvider, object> factory)
{
return (T)LazyGetService(typeof(T), factory);
}
}