adding control flow types about piper HOT 7 CLOSED

Task 1 -> Task 2 (if condition then Task 5 else Task 3) -> Task 3 -> Task 4 -> End
            \-> Task 5 -> Task 6 -> Task 7 (if condition then Task 3 else Task 5)

@@ -61,6 +61,7 @@ public class DefaultTaskCompletionHandler implements TaskCompletionHandler {
   @Override
   public void handle (TaskExecution aTask) {
     log.debug("Completing task {}, {}", aTask.getId(), jobRepository.toString());
+    int next = aTask.getInteger("next", -1);
     Job job = jobRepository.findJobByTaskId (aTask.getId());
     if(job!=null) {
       SimpleTaskExecution task = SimpleTaskExecution.createForUpdate(aTask);


@@ -74,7 +75,10 @@ public class DefaultTaskCompletionHandler implements TaskCompletionHandler {
         contextRepository.push(job.getId(), newContext);
       }
       if(hasMoreTasks(mjob)) {
-        mjob.setCurrentTask(mjob.getCurrentTask()+1);
+        if (next > 0)
+          mjob.setCurrentTask(next);
+        else
+          mjob.setCurrentTask(mjob.getCurrentTask()+1);
         jobRepository.merge(mjob);
         jobExecutor.execute(mjob);
       }

label: My Pipeline

inputs:
  - name: name
    type: string
    required: true

tasks:      
  - label: Print a greeting
    type: print
    text: Hello ${name}
    next: 2

  - name: randomNumber
    label: Generate a random number
    type: randomInt
    startInclusive: 0
    endInclusive: 5000
    next: 4

  - name: randomNumber2
    label: Generate a random number
    type: randomInt
    startInclusive: 5000
    endInclusive: 15000

  - label: Print a farewell
    type: print
    text: Is this task skipped ${name}
    next: 1
       
  - label: Print a farewell
    type: print
    text: Goodbye ${name}