1 files changed, 45 insertions, 0 deletions
diff --git a/scala/sizer.scala b/scala/sizer.scala
new file mode 100644
index 0000000..6f60cc4
--- /dev/null
+++ b/scala/sizer.scala
@@ -0,0 +1,45 @@
+import scala.io._
+import scala.actors._
+import Actor._
+
+object PageLoader {
+  def getPageSize(url:String) = Source.fromURL(url, "ISO-8859-1").mkString.length
+}
+
+val urls = List("http://amazon.com",
+                "http://twitter.com",
+                "http://google.com",
+                "http://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 getPageSizeConcurrently() = {
+  val 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)
+    }
+  }
+}
+
+println("Sequential run:")
+timeMethod { getPageSizeSequentially }
+println("Concurrent run:")
+timeMethod { getPageSizeConcurrently }