Examples with ParseException parsii.tokenizer.ParseException used on opensource projects

Example 1 with ParseException

use of parsii.tokenizer.ParseException in project pinot by linkedin.

the class MetricExpression method computeMetricFunctions.

public List<MetricFunction> computeMetricFunctions() {
    try {
        Scope scope = Scope.create();
        Set<String> metricNames = new TreeSet<>();
        // expression parser errors out on variables starting with _
        // we're replacing the __COUNT default metric, with an escaped string
        // after evaluating, we replace the escaped string back with the original
        String modifiedExpressions = expression.replace(COUNT_METRIC, COUNT_METRIC_ESCAPED);
        Parser.parse(modifiedExpressions, scope);
        metricNames = scope.getLocalNames();
        ArrayList<MetricFunction> metricFunctions = new ArrayList<>();
        for (String metricName : metricNames) {
            if (metricName.equals(COUNT_METRIC_ESCAPED)) {
                metricName = COUNT_METRIC;
            }
            metricFunctions.add(new MetricFunction(aggFunction, metricName));
        }
        return metricFunctions;
    } catch (ParseException e) {
        throw new RuntimeException("Exception parsing expressionString:" + expression, e);
    }
}