Examples with Promise org.activityinfo.promise.Promise used on opensource projects

Example 21 with Promise

use of org.activityinfo.promise.Promise in project activityinfo by bedatadriven.

the class HierarchyClassImporter method prepare.

@Override
public Promise<Void> prepare(ResourceLocator locator, List<? extends SourceRow> batch) {
    final List<Promise<Void>> promises = Lists.newArrayList();
    for (final ResourceId formId : rootField.getRange()) {
        if (isMatchableAtLevel(formId, referenceFields.keySet())) {
            QueryModel queryModel = new QueryModel(formId);
            queryModel.selectResourceId().as("_id");
            for (FieldPath referenceFieldPath : referenceFields.keySet()) {
                queryModel.selectField(referenceFieldPath).as(referenceFieldPath.toString());
            }
            promises.add(locator.queryTable(queryModel).then(new Function<ColumnSet, Void>() {

                @Override
                public Void apply(ColumnSet columnSet) {
                    scoreSources.put(formId, new InstanceScoreSourceBuilder(formId, referenceFields, sourceColumns).build(columnSet));
                    return null;
                }
            }));
        }
    }
    return Promise.waitAll(promises);
}