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using Microsoft.Practices.ServiceLocation;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
/// <summary>
/// Contains <see cref="IServiceLocator"/> extension methods.
/// </summary>
public static class IServiceLocatorExtensions
{
/// <summary>
/// Gets all registered instances.
/// </summary>
/// <param name="locator">The service locator.</param>
/// <returns></returns>
public static List<Object> GetAllInstances(this IServiceLocator locator)
{
var dictionaries = locator.GetType().GetField("_instancesRegistry", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(locator) as Dictionary<Type, Dictionary<string, object>>;
var instances = dictionaries.SelectMany(x => x.Value).Select(x => x.Value).ToList();
return instances;
}
/// <summary>
/// Gets all instances by the specified base type T.
/// </summary>
/// <typeparam name="T">Base type</typeparam>
/// <param name="locator">The service locator.</param>
/// <returns></returns>
public static List<T> GetAllInstancesByBase<T>(this IServiceLocator locator)
{
return locator.GetAllInstances().Where(x => x != null && typeof(T).IsAssignableFrom(x.GetType())).Select(x => (T)x).ToList();
}
}
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