scala day3 wip

scala/day3.scala

@@ -0,0 +1,41 @@
+import scala.io._
+import scala.actors._
+import Actor._
+
+object PageLoader {
+  def getPageSize(url: String) = Source.fromURL(url).mkString.length
+}
+
+val urls = List("https://www.amazon.com/",
+                "https://www.twitter.com/",
+                "https://www.google.com/",
+                "https://www.cnn.com/")
+
+def timeMethod(method: () => Unit) = {
+  val start = System.nanoTime
+  method()
+  val end = System.nanoTime
+
+  println("Method took " + (end - start)/1000000000.0 + " seconds.")
+}
+
+def getPageSizeSequentially() = {
+  for(url <- urls) {
+    println("Size for " + url + ": " + PageLoader.getPageSize(url))
+  }
+}
+
+def getPageSizeConcurrrently() = {
+  def caller = self
+
+  for(url <- urls) {
+    actor { caller ! (url, PageLoader.getPageSize(url)) }
+  }
+
+  for(i <- 1 to urls.size) {
+    receive {
+      case (url, size) =>
+        println("Size for " + url + ": " + size)
+    }
+  }
+}