public LiveTradesViewer(ITradeService tradeService, SearchHints searchHints)
{
SearchHints = searchHints;
Data = tradeService.Live
.CollectionPausing(() => Paused)
.Filtering(t =>
t.CurrencyPair.Contains(SearchHints.SearchTextThrottled.Value, StringComparison.OrdinalIgnoreCase) ||
t.Customer.Contains(SearchHints.SearchTextThrottled.Value, StringComparison.OrdinalIgnoreCase))
.Ordering(t => t.Timestamp, ListSortDirection.Descending)
.Selecting(t => new TradeProxy(t))
.CollectionDisposing()
.For(_consumer);
}
public LiveTradesViewer(ITradeService tradeService, SearchHints searchHints, OcDispatcher backgroundOcDispatcher, WpfOcDispatcher wpfOcDispatcher)
{
SearchHints = searchHints;
Data = tradeService.Live
.CollectionPausing(new Computing <bool>(() => Paused).ScalarDispatching(backgroundOcDispatcher, wpfOcDispatcher))
.Filtering(t =>
t.CurrencyPair.Contains(SearchHints.SearchTextThrottled.Value, StringComparison.OrdinalIgnoreCase) ||
t.Customer.Contains(SearchHints.SearchTextThrottled.Value, StringComparison.OrdinalIgnoreCase))
.Ordering(t => t.Timestamp, ListSortDirection.Descending)
.Selecting(t => new TradeProxy(t))
.CollectionDisposing()
.CollectionDispatching(wpfOcDispatcher, backgroundOcDispatcher, 0, 1)
.For(_consumer);
}
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);
}
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);
}
public PagedDataViewer(ITradeService tradeService, SearchHints searchHints)
{
SearchHints = searchHints;
SortParameters = new SortParameterData(
tradeService.Live
.Selecting(t => new TradeProxy(t))
.CollectionDisposing(),
_consumer);
AllData =
new Computing <ObservableCollection <TradeProxy> >(
() => SortParameters.SelectedItem.SortedData)
.Filtering(t =>
t.Trade.CurrencyPair.Contains(SearchHints.SearchTextThrottled.Value, StringComparison.OrdinalIgnoreCase) ||
t.Trade.Customer.Contains(SearchHints.SearchTextThrottled.Value, StringComparison.OrdinalIgnoreCase));
Data = AllData.Paging(25, 1).For(_consumer);
_nextPageCommand = new Command(() => Data.CurrentPage = Data.CurrentPage + 1, () => Data.CurrentPage < Data.PageCount);
_previousPageCommand = new Command(() => Data.CurrentPage = Data.CurrentPage - 1, () => Data.CurrentPage > 1);
}
public LiveTradesViewer(ILogger logger, ITradeService tradeService, SearchHints searchHints)
{
_logger = logger;
_searchHints = searchHints;
var filter = new FilterController <Trade>(trade => true);
var filterApplier = SearchHints.ObservePropertyValue(t => t.SearchText)
.Throttle(TimeSpan.FromMilliseconds(250))
.Select(propargs => BuildFilter(propargs.Value))
.Subscribe(filter.Change);
var loader = tradeService.All
.Connect(trade => trade.Status == TradeStatus.Live) //prefilter live trades only
.Filter(filter) // apply user filter
//if using dotnet 4.5 can parallelise 'case it's quicler
.Transform(trade => new TradeProxy(trade), new ParallelisationOptions(ParallelType.Ordered, 5))
.Sort(SortExpressionComparer <TradeProxy> .Descending(t => t.Timestamp), SortOptimisations.ComparesImmutableValuesOnly)
.ObserveOnDispatcher()
.Bind(_data) // update observable collection bindings
.DisposeMany() //since TradeProxy is disposable dispose when no longer required
.Subscribe();
_cleanUp = new CompositeDisposable(loader, filter, filterApplier, searchHints);
}
public LiveTradesViewer(ILogger logger,ITradeService tradeService,SearchHints searchHints)
{
_logger = logger;
_searchHints = searchHints;
var filter = new FilterController<Trade>(trade=>true);
var filterApplier = SearchHints.ObservePropertyValue(t => t.SearchText)
.Throttle(TimeSpan.FromMilliseconds(250))
.Select(propargs=>BuildFilter(propargs.Value))
.Subscribe(filter.Change);
var loader = tradeService.All
.Connect(trade => trade.Status == TradeStatus.Live) //prefilter live trades only
.Filter(filter) // apply user filter
//if using dotnet 4.5 can parallelise 'case it's quicler
.Transform(trade => new TradeProxy(trade),new ParallelisationOptions(ParallelType.Ordered,5))
.Sort(SortExpressionComparer<TradeProxy>.Descending(t => t.Timestamp),SortOptimisations.ComparesImmutableValuesOnly)
.ObserveOnDispatcher()
.Bind(_data) // update observable collection bindings
.DisposeMany() //since TradeProxy is disposable dispose when no longer required
.Subscribe();
_cleanUp = new CompositeDisposable(loader, filter, filterApplier, searchHints);
}
public void Dispose()
{
_consumer.Dispose();
SearchHints.Dispose();
}