improve autowiring and add workflow to tasks

Entity/AbstractTask.php

@@ -107,26 +107,30 @@ abstract class AbstractTask implements HasScopeInterface, HasCenterInterface
 
     /**
      * Set currentStates
+     * 
+     * The current states are sorted in a single array, non associative.
      *
-     * @param json $currentStates
+     * @param $currentStates
      *
      * @return AbstractTask
      */
     public function setCurrentStates($currentStates)
     {
-        $this->currentStates = $currentStates;
+        $this->currentStates = \array_keys($currentStates);
 
         return $this;
     }
 
     /**
      * Get currentStates
+     * 
+     * The states are returned as required by marking store format. 
      *
-     * @return json
+     * @return array
      */
     public function getCurrentStates()
     {
-        return $this->currentStates;
+        return \array_fill_keys($this->currentStates, 1);
     }
 
     /**