GlobalScope example

jeorg-kotlin-coroutines/coroutines-crums-group-1/src/main/kotlin/org/jesperancinha/ktd/GlobalScopeCoroutine.kt

@@ -0,0 +1,47 @@
+package org.jesperancinha.ktd
+
+import kotlinx.coroutines.DelicateCoroutinesApi
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.runBlocking
+import kotlinx.coroutines.time.delay
+import kotlin.time.Duration.Companion.seconds
+import kotlin.time.toJavaDuration
+
+class GlobalScopeCoroutine {
+    companion object {
+        @OptIn(DelicateCoroutinesApi::class)
+        @JvmStatic
+        fun main(args: Array<String> = emptyArray()) {
+            val job = GlobalScope.launch {
+                delay(1.seconds.toJavaDuration())
+            }
+            println("Global >> Is the Global job cancelled? ${job.isCancelled}")
+            println("Global >> Is the Global job active? ${job.isActive}")
+            println("Global >> Is the Global job completed? ${job.isCompleted}")
+            job.cancel()
+            println("Global >> Is the Global job cancelled after cancel? ${job.isCancelled}")
+            runBlocking {
+                val jobInScope = launch {
+                    delay(1.seconds.toJavaDuration())
+
+                }
+                jobInScope.cancel()
+                println("First Job >> Is this job cancelled? ${jobInScope.isCancelled}")
+            }
+            val lastJob = runBlocking {
+                val jobInScope = launch {
+                    delay(1.seconds.toJavaDuration())
+
+                }
+                println("Second Job >> Is this job cancelled? ${jobInScope.isCancelled}")
+                println("Second Job >> Is this job active? ${jobInScope.isActive}")
+                println("Second Job >> Is this job completed? ${jobInScope.isCompleted}")
+                jobInScope
+            }
+            println("Second Job After Life-Cycle >> Is this job cancelled? ${lastJob.isCancelled}")
+            println("Second Job After Life-Cycle >> Is this job active? ${lastJob.isActive}")
+            println("Second Job After Life-Cycle >> Is this job completed? ${lastJob.isCompleted}")
+        }
+    }
+}

jeorg-kotlin-coroutines/coroutines-crums-group-1/src/main/kotlin/org/jesperancinha/ktd/Main.kt

@@ -19,5 +19,6 @@ object Main {
         RunningFold.main()
         TicketCollectors.main()
         SimpleConcurrency.main()
+        GlobalScopeCoroutine.main()
     }
 }