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DxFeedIpfConnect to playground sample
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@@ -59,10 +59,6 @@ | |
| argument = "Dump" | ||
| isEnabled = "NO"> | ||
| </CommandLineArgument> | ||
| <CommandLineArgument | ||
| argument = "DXFeedIpfConnect Quote https://demo:[email protected]/ipf" | ||
| isEnabled = "NO"> | ||
| </CommandLineArgument> | ||
| <CommandLineArgument | ||
| argument = "ScheduleSample schedule.zip sample.ipf.zip -f AAPL 2012-05-26-14:15:00" | ||
| isEnabled = "NO"> | ||
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70 changes: 70 additions & 0 deletions
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Samples/Playgrounds/DxFeedIpfConnect.playground/Contents.swift
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| import Cocoa | ||
| import PlaygroundSupport | ||
| import DXFeedFramework | ||
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| //Empty Listener with handler | ||
| class Listener: DXEventListener, Hashable { | ||
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| static func == (lhs: Listener, rhs: Listener) -> Bool { | ||
| lhs === rhs | ||
| } | ||
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| func hash(into hasher: inout Hasher) { | ||
| hasher.combine("\(self):\(stringReference(self))") | ||
| } | ||
| var callback: ([MarketEvent]) -> Void = { _ in } | ||
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| func receiveEvents(_ events: [MarketEvent]) { | ||
| self.callback(events) | ||
| } | ||
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| init(overrides: (Listener) -> Listener) { | ||
| _ = overrides(self) | ||
| } | ||
| } | ||
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| // An sample that demonstrates a subscription using InstrumentProfile. | ||
| // Use default DXFeed instance for that data feed address is defined by "dxfeed.properties" file. | ||
| // The properties file is copied to the build output directory from the project directory. | ||
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| var type = EventCode.timeAndSale | ||
| // You can use local ipf file | ||
| var ipfFile = "https://demo:[email protected]/ipf" | ||
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| // Use path to dxfeed.properties with feed address | ||
| let propertiesFilePath = Bundle.main.path(forResource: "dxfeed.properties", ofType: nil) | ||
| try SystemProperty.setProperty(DXEndpoint.Property.properties.rawValue, propertiesFilePath ?? "") | ||
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| print("Reading instruments from \(ipfFile)") | ||
| guard let profiles = try DXInstrumentProfileReader().readFromFile(address: ipfFile) else { | ||
| fatalError("No profiles in \(ipfFile)") | ||
| } | ||
| // This is just a sample, any arbitrary filtering may go here. | ||
| let symbols = profiles.filter({ ipf in | ||
| ipf.getIpfType() == .stock | ||
| }).map({ profile in | ||
| profile.symbol | ||
| }) | ||
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| print("Selected symbols are: \(symbols)") | ||
| let subscription = try DXEndpoint.getInstance().getFeed()?.createSubscription(type) | ||
| let listener = Listener { listener in | ||
| listener.callback = { events in | ||
| // Prints all received events. | ||
| events.forEach { event in | ||
| print(event.toString()) | ||
| } | ||
| } | ||
| return listener | ||
| } | ||
| // Listener must be attached before symbols are added. | ||
| try subscription?.add(listener: listener) | ||
| // Adds specified symbol. | ||
| try subscription?.addSymbols(symbols) | ||
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| // infinity execution | ||
| PlaygroundPage.current.needsIndefiniteExecution = true | ||
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| // to finish execution run this line | ||
| PlaygroundPage.current.finishExecution() |
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Samples/Playgrounds/DxFeedIpfConnect.playground/Resources/dxfeed.properties
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| # Connection address for an endpoint with role Feed and OnDemandFeed. | ||
| dxfeed.address=demo.dxfeed.com:7300 |
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Samples/Playgrounds/DxFeedIpfConnect.playground/contents.xcplayground
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| <?xml version="1.0" encoding="UTF-8" standalone="yes"?> | ||
| <playground version='5.0' target-platform='macos' buildActiveScheme='true' importAppTypes='true'> | ||
| <timeline fileName='timeline.xctimeline'/> | ||
| </playground> |
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