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December 27, 2017 21:36
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RxScala example
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import java.util.concurrent.{Executors, TimeUnit} | |
import rx.lang.scala.Observable | |
import scala.concurrent.duration._ | |
//import scala.concurrent.ExecutionContext.Implicits.global | |
import rx.lang.scala.schedulers.{ComputationScheduler, ExecutionContextScheduler} | |
import scala.concurrent.{ExecutionContext, Future} | |
object RxScalaBasedApproach { | |
def main(args: Array[String]): Unit = { | |
val t0 = System.currentTimeMillis() | |
def queryData1 = () => { | |
println(s"thread - ${Thread.currentThread().getName}") | |
Array(6, 7, 8, 9, 10) | |
} | |
def queryData2 = () => { | |
println(s"thread - ${Thread.currentThread().getName}") | |
Array(1, 2, 3, 4, 5) | |
} | |
val service = Executors.newFixedThreadPool(4) | |
val ec = ExecutionContext.fromExecutor(service) | |
val s = ExecutionContextScheduler(ec) | |
val o1 = Observable.from(queryData1()) | |
val o2 = Observable.from(queryData2()) | |
Seq(o1, o2).foreach(_ | |
.subscribeOn(s) | |
.subscribe(x => println(s"thread - ${Thread.currentThread().getName}, value - $x")) | |
) | |
service.shutdown() | |
service.awaitTermination(10, TimeUnit.SECONDS) | |
val t1 = System.currentTimeMillis() | |
println(s"Elapsed time:${(t1 - t0) / 1000f}") | |
} | |
} |
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