public LiveTradesViewer(ITradeService tradeService, SearchHints searchHints)
{
SearchHints = searchHints;
var filter = SearchHints.WhenValueChanged(t => t.SearchText)
.Select(BuildFilter);
var loader = tradeService.Live.Connect()
.BatchIf(this.WhenValueChanged(x => x.Paused), null, null) //I need to fix the API, so nulls do not have to be passed in
.Filter(filter) // apply user filter
.Transform(trade => new TradeProxy(trade))
.Sort(SortExpressionComparer <TradeProxy> .Descending(t => t.Timestamp), SortOptimisations.ComparesImmutableValuesOnly, 25)
.ObserveOnDispatcher()
.Bind(out _data) // update observable collection bindings
.DisposeMany() //since TradeProxy is disposable dispose when no longer required
.Subscribe();
_cleanUp = new CompositeDisposable(loader, searchHints);
}
public LiveTradesViewer(ITradeService tradeService, SearchHints searchHints)
{
_searchHints = searchHints;
var filter = SearchHints.WhenValueChanged(t => t.SearchText)
.Select(BuildFilter);
var loader = tradeService.Live.Connect()
.Filter(filter) // apply user filter
//if targeting dotnet 4.5 can parallelise 'cause it's quicker
.Transform(trade => new TradeProxy(trade), new ParallelisationOptions(ParallelType.Ordered, 5))
.Sort(SortExpressionComparer <TradeProxy> .Descending(t => t.Timestamp), SortOptimisations.ComparesImmutableValuesOnly)
.ObserveOnDispatcher()
.Bind(out _data) // update observable collection bindings
.DisposeMany() //since TradeProxy is disposable dispose when no longer required
.Subscribe();
_cleanUp = new CompositeDisposable(loader, searchHints);
}