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72 lines
2.4 KiB
72 lines
2.4 KiB
// package org.gerweck.scalafx.akka
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// import language.implicitConversions
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// import scala.collection.mutable.{ Clearable, Growable }
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// import scala.concurrent._
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// import scala.concurrent.duration._
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// import scala.util._
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// import akka.{ Done, NotUsed }
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// import akka.stream.Materializer
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// import akka.stream.scaladsl._
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// import scalafx.application.Platform.runLater
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// import scalafx.beans.Observable
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// import scalafx.beans.property._
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// import org.gerweck.scalafx.util.FutureObservable
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// trait AkkaFXCollections extends Any {
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// implicit def sourceToRichSource[A, B](source: Source[A, B]) = new AkkaFXCollections.RichSource(source)
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// }
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// object AkkaFXCollections {
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// def collectionWriterSink[A]
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// (buffer: Observable with Growable[A] with Clearable,
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// clearFirst: Boolean,
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// groupingSize: Int = 50, groupingTimeout: FiniteDuration = 100.milliseconds)
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// : Sink[A, Future[Done]] = {
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// sealed trait PopulateAction
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// case class InsertRows(data: Seq[A]) extends PopulateAction
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// case object ClearData extends PopulateAction
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// val grouping = {
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// Flow[A]
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// .groupedWithin(groupingSize, groupingTimeout)
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// .map(InsertRows)
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// .named("GroupInsertActions")
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// }
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// val clearData = {
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// if (clearFirst)
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// Source.single(ClearData)
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// else
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// Source.empty
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// }.named("OptionalClearAction")
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// val combinedSource: Flow[A, PopulateAction, NotUsed] = grouping.prepend(clearData)
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// combinedSource .toMat {
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// Sink .foreach[PopulateAction] {
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// case ClearData => runLater { buffer.clear() }
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// case InsertRows(data) => runLater { buffer ++= data }
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// } .named("BufferWriter")
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// }(Keep.right)
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// }
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// class RichSource[A, B](val inner: Source[A, B]) extends AnyVal {
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// def populateCollection[C >: A]
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// (buffer: Observable with Growable[C] with Clearable,
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// clearFirst: Boolean,
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// groupingSize: Int = 50, groupingTimeout: FiniteDuration = 100.milliseconds)
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// (implicit mat: Materializer, ec: ExecutionContext)
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// : ReadOnlyObjectProperty[Option[Try[Done]]] = {
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// val sink = collectionWriterSink(buffer, clearFirst, groupingSize, groupingTimeout)
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// val graph = inner.toMat(sink)(Keep.right)
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// FutureObservable.ofTryOption(graph.run())
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// }
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// }
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// }
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