code: @Override
      public void addBatch(Node node)
      {
          if (node != null)
          {
              nodes.add(node);
          }
  
          onBatchLimit();
  
      }
docs: /*
  (non-Javadoc)
  
  @see
  com.impetus.kundera.persistence.api.Batcher#addBatch(com.impetus.kundera
  .graph.Node)