retrieves the results of last evaluation . concode_field_sep List<Node> evaluationResults concode_elem_sep List<ViewerModelListener> listeners concode_elem_sep Logger LOGGER concode_elem_sep Node rootNode concode_field_sep void fireViewerModelEvent concode_elem_sep void removeViewerModelListener concode_elem_sep void appendToXPathExpression concode_elem_sep void selectNode concode_elem_sep void addViewerModelListener concode_elem_sep void commitSource concode_elem_sep boolean hasCompiledTree concode_elem_sep void evaluateXPathExpression concode_elem_sep Node getRootNode