/* * @see org.primordion.xholon.base.IXholon#appendChild(org.primordion.xholon.base.IXholon) */ public void appendChild(XholonTreeNode newParentNode) { if (newParentNode.getFirstChild() == null) { setParentChildLinks(newParentNode); } else { setParentSiblingLinks(newParentNode.getLastChild()); } }