use of com.sri.ai.expresso.api.Parser in project aic-praise by aic-sri-international.
the class HOGMQueryRunner method query.
public List<HOGMQueryResult> query() {
List<HOGMQueryResult> result = new ArrayList<>();
Expression queryExpr = null;
//
ParsedHOGModel parsedModel = null;
for (String query : queries) {
long startQuery = System.currentTimeMillis();
List<HOGMQueryError> errors = new ArrayList<>();
try {
if (model == null || model.trim().equals("")) {
errors.add(new HOGMQueryError(HOGMQueryError.Context.MODEL, "Model not specified", 0, 0, 0));
}
if (query == null || query.trim().equals("")) {
errors.add(new HOGMQueryError(HOGMQueryError.Context.QUERY, "Query not specified", 0, 0, 0));
}
if (errors.size() == 0) {
HOGMParserWrapper parser = new HOGMParserWrapper();
if (parsedModel == null) {
parsedModel = parser.parseModel(model, new QueryErrorListener(HOGMQueryError.Context.MODEL, errors));
}
queryExpr = parser.parseTerm(query, new QueryErrorListener(HOGMQueryError.Context.QUERY, errors));
if (errors.size() == 0) {
FactorsAndTypes factorsAndTypes = new ExpressionFactorsAndTypes(parsedModel);
if (!canceled) {
inferencer = new InferenceForFactorGraphAndEvidence(factorsAndTypes, false, null, true, getOptionalTheory());
startQuery = System.currentTimeMillis();
Expression marginal = inferencer.solve(queryExpr);
result.add(new HOGMQueryResult(query, queryExpr, parsedModel, marginal, System.currentTimeMillis() - startQuery));
}
}
}
} catch (RecognitionException re) {
errors.add(new HOGMQueryError(HOGMQueryError.Context.MODEL, re.getMessage(), re.getOffendingToken().getLine(), re.getOffendingToken().getStartIndex(), re.getOffendingToken().getStopIndex()));
} catch (UnableToParseAllTheInputError utpai) {
errors.add(new HOGMQueryError(utpai));
} catch (HOGModelException me) {
me.getErrors().forEach(modelError -> {
String inStatement = modelError.getInStatementInfo().statement.toString();
String inSource = modelError.getInStatementInfo().sourceText;
String inSubStatement = modelError.getMessage();
String inInfo = "";
if (inSubStatement.equals("") || inSubStatement.equals(inSource)) {
inInfo = " in '" + inStatement + "'";
} else {
inInfo = " ('" + inSubStatement + "') in '" + inStatement + "'";
}
if (!inSource.replaceAll(" ", "").replaceAll(";", "").equals(inStatement.replaceAll(" ", ""))) {
inInfo = inInfo + " derived from '" + inSource + "'";
}
errors.add(new HOGMQueryError(HOGMQueryError.Context.MODEL, modelError.getErrorType().formattedMessage() + inInfo, modelError.getInStatementInfo().line, modelError.getInStatementInfo().startIndex, modelError.getInStatementInfo().endIndex));
});
} catch (Throwable t) {
// Unexpected
errors.add(new HOGMQueryError(t));
}
if (errors.size() > 0) {
result.add(new HOGMQueryResult(query, queryExpr, parsedModel, errors, System.currentTimeMillis() - startQuery));
}
}
return result;
}
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