/// <summary>
/// Initializes a new instance of the <see cref="ExchangeInfoProvider"/>.
/// </summary>
/// <param name="entityRegistry">The storage of trade objects.</param>
public ExchangeInfoProvider(IEntityRegistry entityRegistry)
{
if (entityRegistry == null)
{
throw new ArgumentNullException(nameof(entityRegistry));
}
ExchangeBoard.EnumerateExchanges().ForEach(exchange => _exchanges.Add(exchange.Name, exchange));
ExchangeBoard.EnumerateExchangeBoards().ForEach(board => _boards.Add(board.Code, board));
_entityRegistry = entityRegistry;
var boardCodes = new HashSet <string>();
var boardList = _entityRegistry.ExchangeBoards as ExchangeBoardList;
boardCodes.AddRange(boardList != null ? boardList.GetIds() : _entityRegistry.ExchangeBoards.Select(b => b.Code));
var boards = Boards.Where(b => !boardCodes.Contains(b.Code)).ToArray();
if (boards.Length > 0)
{
boards
.Select(b => b.Exchange)
.Distinct()
.ForEach(Save);
boards
.ForEach(Save);
}
_entityRegistry.Exchanges.ForEach(e => _exchanges[e.Name] = e);
_entityRegistry.ExchangeBoards.ForEach(b => _boards[b.Code] = b);
}
/// <summary>
/// Initializes a new instance of the <see cref="InMemoryExchangeInfoProvider"/>.
/// </summary>
public InMemoryExchangeInfoProvider()
{
ExchangeBoard.EnumerateExchanges().ForEach(b => _exchanges[b.Name] = b);
ExchangeBoard.EnumerateExchangeBoards().ForEach(b => _boards[b.Code] = b);
}