Урок 4. Свечи, графики, история

using StockSharp.Algo.History.Finam;

using StockSharp.Algo.History.Russian.Finam;

    /// <summary>
    /// Простое хранилище
    /// </summary>
    class SimpleSecurityStorage:ISecurityStorage 
    {
	private readonly SynchronizedDictionary<long, Security> _cacheByFinamId = new 

SynchronizedDictionary<long, Security>();

	public Security LoadBy(string fieldName, object fieldValue)
		{
			return _cacheByFinamId.TryGetValue((long)fieldValue);
		}

        public IEnumerable<Security> Lookup(Security criteria)
                {
                        throw new NotImplementedException();
                }

        public void Save(Security security)
		{
			TryAddToCache(security);
		}

		private void TryAddToCache(Security security)
		{
			if (security == null)
				throw new ArgumentNullException("security");

			var finamId = security.ExtensionInfo.TryGetValue(FinamHistorySource.FinamSecurityIdField);

			if (finamId != null)
				_cacheByFinamId.SafeAdd((long)finamId, key => security);
		}
    }

    /// <summary>
    /// Простое хранилище
    /// </summary>
    class SimpleSecurityStorage:ISecurityStorage 
    {
	private readonly SynchronizedDictionary<long, Security> _cacheByFinamId = new 

SynchronizedDictionary<long, Security>();
        private IEnumerable<Security> _securities;

        public Security LoadBy(string fieldName, object fieldValue)
		{
			return _cacheByFinamId.TryGetValue((long)fieldValue);
		}

        public IEnumerable<Security> Lookup(Security criteria)
        	{
            		throw new NotImplementedException();
        	}

        public IEnumerable<Security> Securities
        {
            get { return _securities; }
        }

        public void Save(Security security)
		{
			TryAddToCache(security);
		}

	private void TryAddToCache(Security security)
		{
			if (security == null)
				throw new ArgumentNullException("security");

			var finamId = security.ExtensionInfo.TryGetValue(FinamHistorySource.FinamSecurityIdField);

			if (finamId != null)
				_cacheByFinamId.SafeAdd((long)finamId, key => security);
		}
    }

        /// <summary>
        /// Возвращает true если нет активных заявок, а противном случае возвращает false
        /// </summary>
        private bool NoActiveOrders
        {
            get
            {
                return Orders.Count(o => o.State != OrderStates.Done) == 0 && PendingOrders.Count() == 0;
            }
        }

        /// <summary>
        /// Возвращает true если нет активных заявок, а противном случае возвращает false
        /// </summary>
        private bool NoActiveOrders
        {
            get
            {
                return Orders.Count(o => o.State != OrderStates.Done) == 0 && Orders.Where(o=>o.State == 

OrderStates.Pending).Count() == 0;
            }
        }

        /// <summary>
        /// Обработчик события закрытия окна
        /// </summary>
        protected override void OnClosing(System.ComponentModel.CancelEventArgs e)
        {
            if (Connection.SafeConnection.Trader != null && Connection.SafeConnection.Trader.IsConnected)
            {
                Connection.SafeConnection.Trader.Dispose();
            }
            Thread.CurrentThread.Abort();
            base.OnClosing(e);
        }

        /// <summary>
        /// Обработчик события закрытия окна
        /// </summary>
        protected override void OnClosing(System.ComponentModel.CancelEventArgs e)
        {
            if (Connection.SafeConnection.Trader != null && Connection.SafeConnection.Trader.ConnectionState == 

ConnectionStates.Connected)
            {
                Connection.SafeConnection.Trader.Dispose();
            }
            Thread.CurrentThread.Abort();
            base.OnClosing(e);
        }