Converted use of Collection.size() to Collection.isEmpty().

Jean-Noel Rouvignac

21.10.2015 b8f523c95f4fd5fc705f2c6c2a2d98217b9da450

 opendj-server-legacy/src/main/java/org/opends/guitools/controlpanel/task/DeleteIndexTask.java

@@ -122,7 +122,7 @@
      // has not a lot of impact.
      final Set<String> backends = new TreeSet<String>(taskToBeLaunched.getBackends());
      backends.retainAll(getBackends());
      if (backends.size() > 0)
      if (!backends.isEmpty())
      {
        incompatibilityReasons.add(getIncompatibilityMessage(this, taskToBeLaunched));
        canLaunch = false;