42 lines
900 B
Scala
42 lines
900 B
Scala
import scala.io._
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import scala.actors._
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import Actor._
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object PageLoader {
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def getPageSize(url: String) = Source.fromURL(url).mkString.length
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}
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val urls = List("https://www.amazon.com/",
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"https://www.twitter.com/",
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"https://www.google.com/",
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"https://www.cnn.com/")
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def timeMethod(method: () => Unit) = {
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val start = System.nanoTime
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method()
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val end = System.nanoTime
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println("Method took " + (end - start)/1000000000.0 + " seconds.")
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}
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def getPageSizeSequentially() = {
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for(url <- urls) {
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println("Size for " + url + ": " + PageLoader.getPageSize(url))
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}
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}
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def getPageSizeConcurrrently() = {
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def caller = self
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for(url <- urls) {
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actor { caller ! (url, PageLoader.getPageSize(url)) }
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}
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for(i <- 1 to urls.size) {
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receive {
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case (url, size) =>
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println("Size for " + url + ": " + size)
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}
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}
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}
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