ColumnModel columnModel = project.columnModel;
List<Object> values = new ArrayList<Object>();
List<String> columns = new ArrayList<String>();
Engine engine = new Engine(project);
JSONObject engineConfig = null;
try {
engineConfig = ParsingUtilities.evaluateJsonStringToObject(request.getParameter("engine"));
} catch (JSONException e) {
// ignore
}
engine.initializeFromJSON(engineConfig);
FilteredRows filteredRows = engine.getAllFilteredRows();
filteredRows.accept(project, createRowVisitor(project, values));
JSONArray stuff = new JSONArray();
for (Column col : project.columnModel.columns) {