"TREENODE_LEVEL" + Constants.DELIMITER + level + Constants.DELIMITER + "SIBLINGNUMBER" + Constants.DELIMITER + siblingNumber + Constants.DELIMITER + "ID";
"TREENODE_LEVEL" + Constants.DELIMITER + level + Constants.DELIMITER + "PARENTNODEID" + Constants.DELIMITER + "[" + (parent == null ? "NOPARENTID" : parent.getId()) + "]" + Constants.DELIMITER + "SIBLINGNUMBER" + Constants.DELIMITER + siblingNumber + Constants.DELIMITER + "ID";
  private String makeTreeNodeId(int level, int siblingNumber)  {    return    	"TREENODE_LEVEL" + Constants.DELIMITER + level + Constants.DELIMITER + "SIBLINGNUMBER" + Constants.DELIMITER + siblingNumber + Constants.DELIMITER + "ID";  }