First functional version of a blackboard and a blackboard based obicount

pkg/obiblackboard/task.go

@@ -1,21 +1,34 @@
 package obiblackboard
 
 type Task struct {
-	Role     string
-	Priority int
-	Body     interface{}
+	Role      string
+	SavedTask *Task
+	Priority  int
+	Body      interface{}
 }
 
 func NewInitialTask() *Task {
 	return &Task{
-		Role:     "initial",
-		Priority: 0,
-		Body:     nil,
+		Role:      "initial",
+		SavedTask: nil,
+		Priority:  0,
+		Body:      nil,
 	}
 }
 
-func (task *Task) GetNext() *Task {
+func (task *Task) GetNext(target string, copy bool, save bool) *Task {
 	t := NewInitialTask()
 	t.Priority = task.Priority + 1
+	t.Role = target
+	if copy {
+		t.Body = task.Body
+	}
+
+	if save {
+		t.SavedTask = task
+	} else {
+		t.SavedTask = task.SavedTask
+	}
+
 	return t
 }