투명디스플레이 연구사업

using System;

using System.Threading;

using UnityEngine;

public enum AsyncTaskState

{

	Running, Failed, Succeed

}

public class AsyncTask<T>

{

    public AsyncTaskState State { get; internal set; }

    public bool LogErrors { get; set; }

    public T Result { get { return _result; } }

	public string ErrorMessage { get { return _errorMessage; } }

    private Func<T> _action;

    private T _result;

	private string _errorMessage;

    public AsyncTask(Func<T> backgroundAction)

    {

        this._action = backgroundAction;

		LogErrors = true;

    }

    public void Start()

    {

        State = AsyncTaskState.Running;

#if !NETFX_CORE

        ThreadPool.QueueUserWorkItem(state => DoInBackground());

#else

		System.Threading.Tasks.Task.Run(() => DoInBackground());

#endif

    }

    private void DoInBackground()

    {

        _result = default(T);

		_errorMessage = string.Empty;

        try

        {

            if (_action != null)

			{

                _result = _action();

			}

            State = AsyncTaskState.Succeed;

        }

        catch (Exception ex)

        {

            State = AsyncTaskState.Failed;

			_errorMessage = ex.Message;

            if (LogErrors)

			{

                Debug.LogException(ex);

			}

        }

    }

}