Align rollouts and autoassign metrics (#2844)

* Refactor auto-assign locking and metrics
* Align rollouts and autoassign metrics

Signed-off-by: Avgustin Marinov <Avgustin.Marinov@bosch.com>

hawkbit-repository/hawkbit-repository-api/src/main/java/org/eclipse/hawkbit/repository/AutoAssignHandler.java

@@ -12,18 +12,18 @@ package org.eclipse.hawkbit.repository;
 /**
  * An interface declaration which contains the check for the auto assignment logic.
  */
-public interface AutoAssignExecutor {
+public interface AutoAssignHandler {
 
     /**
      * Checks all target filter queries with an auto assign distribution set and triggers the check and assignment to targets that don't have
      * the design DS yet
      */
-    void checkAllTargets();
+    void handleAll();
 
     /**
      * Method performs an auto assign check for a specific device only
      *
      * @param controllerId of the device to check
      */
-    void checkSingleTarget(String controllerId);
+    void handleSingleTarget(String controllerId);
 }

hawkbit-repository/hawkbit-repository-api/src/main/java/org/eclipse/hawkbit/repository/RolloutHandler.java

@@ -43,4 +43,4 @@ public interface RolloutHandler {
      */
     @PreAuthorize(SpringEvalExpressions.IS_SYSTEM_CODE)
     void handleAll();
-}
+}