Examples with PartialEvaluator org.activityinfo.model.formula.eval.PartialEvaluator used on opensource projects

Example 1 with PartialEvaluator

use of org.activityinfo.model.formula.eval.PartialEvaluator in project activityinfo by bedatadriven.

the class OldGetSitesHandler method joinCalculatedIndicatorValues.

private void joinCalculatedIndicatorValues(final Promise<Void> complete, SqlTransaction tx, final Multimap<Integer, SiteDTO> siteMap) {
    Log.trace("Starting joinIndicatorValues()");
    final Set<Integer> activityIds = Sets.newHashSet();
    for (SiteDTO siteDTO : siteMap.values()) {
        activityIds.add(siteDTO.getActivityId());
    }
    SqlQuery query = SqlQuery.select().appendColumn("I.IndicatorId", "indicatorId").appendColumn("I.Name", "indicatorName").appendColumn("I.ActivityId", "activityId").appendColumn("I.Type", "type").appendColumn("I.Expression", "expression").appendColumn("I.nameInExpression", "code").appendColumn("I.calculatedAutomatically", "calculatedAutomatically").from(Tables.INDICATOR, "I").where("I.ActivityId").in(activityIds).and("I.dateDeleted IS NULL").orderBy("I.SortOrder");
    Log.info(query.toString());
    query.execute(tx, new SqlResultCallback() {

        @Override
        public void onSuccess(SqlTransaction tx, final SqlResultSet results) {
            Multimap<Integer, FormField> fields = HashMultimap.create();
            for (SqlResultSetRow row : results.getRows()) {
                fields.put(row.getInt("activityId"), createField(row));
            }
            // Have to resolve symbols on a per-form basis
            for (Integer activityId : fields.keySet()) {
                Collection<FormField> activityFields = fields.get(activityId);
                FormSymbolTable symbolTable = new FormSymbolTable(activityFields);
                PartialEvaluator<SiteDTO> evaluator = new PartialEvaluator<>(symbolTable, new SiteFieldReaderFactory());
                List<CalculatedIndicatorReader> readers = Lists.newArrayList();
                for (FormField field : activityFields) {
                    if (field.getType() instanceof CalculatedFieldType) {
                        try {
                            FieldReader<SiteDTO> reader = evaluator.partiallyEvaluate(field);
                            if (reader.getType() instanceof QuantityType) {
                                readers.add(new CalculatedIndicatorReader(field, reader));
                            }
                        } catch (Exception e) {
                            // we don't want to fail whole GetSites command due to invalid expression.
                            Log.error("Failed to evaluate calculated field: " + field + ", expression: " + ((CalculatedFieldType) field.getType()).getExpression(), e);
                        }
                    }
                }
                for (SiteDTO site : siteMap.values()) {
                    for (CalculatedIndicatorReader reader : readers) {
                        reader.read(site);
                    }
                }
            }
            complete.onSuccess(null);
        }
    });
}