Examples with AbstractReadDataset ambit2.db.update.dataset.AbstractReadDataset used on opensource projects

Example 1 with AbstractReadDataset

use of ambit2.db.update.dataset.AbstractReadDataset in project ambit-mirror by ideaconsult.

the class MetadatasetResource method getQuery.

protected IQueryRetrieval<M> getQuery(Context context, Request request, Response response, boolean IDcanBeEmpty) throws ResourceException {
    Form form = getResourceRef(request).getQueryAsForm();
    try {
        headless = Boolean.parseBoolean(form.getFirstValue("headless"));
    } catch (Exception x) {
        headless = false;
    }
    AbstractReadDataset query = null;
    structureParam = getStructureParameter();
    StringCondition condition;
    try {
        condition = StringCondition.getInstance(form.getFirstValue(QueryResource.condition));
    } catch (Exception x) {
        condition = StringCondition.getInstance(StringCondition.C_EQ);
    }
    Property property = new Property(null);
    property.setClazz(null);
    property.setLabel(null);
    property.setReference(null);
    for (search_features sf : search_features.values()) {
        Object id = form.getFirstValue(sf.name());
        if (id != null) {
            // because we are not storing full local references!
            if (search_features.feature_hassource.equals(sf)) {
                String parent = getRequest().getRootRef().toString();
                int p = id.toString().indexOf(parent);
                if (p >= 0) {
                    // yet one more hack ... should store at least prefixes
                    id = id.toString().substring(p + parent.length()).replace("/algorithm/", "").replace("/model/", "");
                }
            }
            sf.setProperty(property, id);
            if (query == null) {
                query = new QueryDatasetByFeatures(property, condition);
                ((QueryDatasetByFeatures) query).setStructure(structureParam);
            }
        }
    }
    if (query == null) {
        query = new ReadDataset();
        query.setValue(null);
    }
    Object id = request.getAttributes().get(DatasetStructuresResource.datasetKey);
    if (id != null)
        try {
            Integer idnum = new Integer(Reference.decode(id.toString()));
            dataset = (M) new SourceDataset();
            dataset.setID(idnum);
            query.setValue(dataset);
        } catch (NumberFormatException x) {
            if (id.toString().startsWith(DatasetStructuresResource.QR_PREFIX)) {
                String key = id.toString().substring(DatasetStructuresResource.QR_PREFIX.length());
                try {
                    IQueryRetrieval<M> q = (IQueryRetrieval<M>) new ReadStoredQuery(Integer.parseInt(key.toString()));
                    return q;
                } catch (NumberFormatException xx) {
                    throw new InvalidResourceIDException(id);
                }
            } else {
                dataset = (M) new SourceDataset();
                dataset.setName(id.toString());
                query.setValue(dataset);
            }
        } catch (Exception x) {
            throw new InvalidResourceIDException(id);
        }
    if (!IDcanBeEmpty && (query.getValue() == null))
        throw new ResourceException(Status.CLIENT_ERROR_BAD_REQUEST, "Empty dataset ID!");
    return query;
}