AsyncLoader.cs

Go to the documentation of this file.

//-----------------------------------------------------------------------
// <copyright file="AsyncLoader.cs" company="Marimer LLC">
//     Copyright (c) Marimer LLC. All rights reserved.
//     Website: https://cslanet.com
// </copyright>
// <summary>no summary</summary>
//-----------------------------------------------------------------------
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Reflection;
using System.Threading.Tasks;
using Csla.Server;
 
namespace Csla.Core.LoadManager
{
  internal class AsyncLoader<T> : IAsyncLoader
  {
    private readonly IPropertyInfo _property;
    private readonly Delegate _factory;
    private readonly object[] _parameters;
 
    public IPropertyInfo Property
    {
      get { return _property; }
    }
 
    public AsyncLoader(
      IPropertyInfo property,
      Delegate factory, 
      params object[] parameters)
    {
      _property = property;
      _factory = factory;
      _parameters = parameters;
    }
 
    public void Load(Action<IAsyncLoader, IDataPortalResult> callback)
    {
      var parameters = new List<object>();
      if (_parameters.Any())
        parameters.Add(_parameters.First());
  
      var myCallback = new EventHandler<DataPortalResult<T>>((sender, result) => callback(this, result));
      parameters.Add(myCallback);
      _factory.DynamicInvoke(parameters.ToArray());
    }
  }
}