code: @Override
      public boolean remove(long taskId) {
          String owner = getOwner();
          if (owner == null)
              return false;
  
          TransactionController tranController = new TransactionController();
          boolean result = false;
          try {
              tranController.preInvoke();
              result = taskStore.remove(taskId, owner, true);
          } catch (Throwable x) {
              tranController.setFailure(x);
          } finally {
              PersistentStoreException x = tranController.postInvoke(PersistentStoreException.class); // TODO proposed spec class
              if (x != null)
                  throw x;
          }
  
          return result;
      }
docs: {@inheritDoc}