Timeouts example

jeorg-kotlin-crums/jeorg-kotlin-crums-4-variance/src/main/kotlin/org/jesperancinha/ktd/Main.kt

@@ -18,6 +18,7 @@ class Main {
             Delegates.main()
             Account.main(emptyArray())
             IndexSolutionForRIDHashes.main()
+            Timeouts.main()
         }
     }
 }

jeorg-kotlin-crums/jeorg-kotlin-crums-4-variance/src/main/kotlin/org/jesperancinha/ktd/Timeouts.kt

@@ -0,0 +1,42 @@
+package org.jesperancinha.ktd
+
+import java.lang.Thread.sleep
+import java.util.*
+import kotlin.system.measureTimeMillis
+
+
+class Timeouts {
+
+    internal class TimeOutTask(f: () -> Unit) : TimerTask() {
+
+        val thread = Thread(f)
+        override fun run() {
+            thread.start()
+        }
+
+        override fun cancel(): Boolean {
+            super.cancel()
+            thread.interrupt()
+            return true
+        }
+    }
+
+    companion object {
+        @JvmStatic
+        fun main(args: Array<String> = emptyArray()) = measureTimeMillis {
+            val timer = Timer()
+            val scheduledFunction = { sleep(5000) }
+            runFunction(timer = timer, timeout = 1000, f = scheduledFunction)
+        }.let {
+            println(it)
+        }
+
+        private fun runFunction(timer: Timer, timeout:Long, f: () -> Unit) {
+            val timeOutTask = TimeOutTask(f)
+            timer.schedule(timeOutTask, 0)
+            sleep(timeout)
+            timeOutTask.cancel()
+            timer.cancel()
+        }
+    }
+}