Examples with SimpleSelector com.hp.hpl.jena.rdf.model.SimpleSelector used on opensource projects

Example 1 with SimpleSelector

use of com.hp.hpl.jena.rdf.model.SimpleSelector in project ambit-mirror by ideaconsult.

the class RDFIteratingReader method initIterator.

private StmtIterator initIterator() {
    if (recordIterator == null) {
        Resource s = OT.OTClass.DataEntry.getOntClass(jenaModel);
        if (s == null)
            return null;
        recordIterator = jenaModel.listStatements(new SimpleSelector(null, RDF.type, s));
    }
    return recordIterator;
}

Example 2 with SimpleSelector

use of com.hp.hpl.jena.rdf.model.SimpleSelector in project ambit-mirror by ideaconsult.

the class RDFInstancesIterator method parseFeatureValues.

@Override
protected void parseFeatureValues(Resource dataEntry, Instance record) {
    StmtIterator values = jenaModel.listStatements(new SimpleSelector(dataEntry, OT.OTProperty.values.createProperty(jenaModel), (RDFNode) null));
    while (values.hasNext()) {
        Statement st = values.next();
        if (st.getObject().isResource()) {
            Resource fv = (Resource) st.getObject();
            Statement st1 = fv.getProperty(OT.DataProperty.value.createProperty(jenaModel));
            if (st1 == null)
                continue;
            RDFNode value = st1.getObject();
            if (value == null)
                continue;
            RDFNode feature = fv.getProperty(OT.OTProperty.feature.createProperty(jenaModel)).getObject();
            Attribute key = urilookup.get(feature.toString());
            if (key != null)
                setFeatureValue(record, key, value);
        }
    }
}

Example 3 with SimpleSelector

use of com.hp.hpl.jena.rdf.model.SimpleSelector in project ambit-mirror by ideaconsult.

the class RDFInstancesIterator method parseFeatures.

protected FastVector parseFeatures() {
    FastVector attributes = new FastVector();
    Attribute id = new Attribute(CompoundURI, (FastVector) null);
    urilookup.put(CompoundURI, id);
    attributes.addElement(id);
    Resource s = OT.OTClass.Feature.getOntClass(jenaModel);
    if (s == null)
        return null;
    Property valueProperty = OT.DataProperty.value.createProperty(jenaModel);
    Property featureProperty = OT.OTProperty.feature.createProperty(jenaModel);
    Resource nominalFeatureClass = OT.OTClass.NominalFeature.getOntClass(jenaModel);
    StmtIterator features = jenaModel.listStatements(new SimpleSelector(null, RDF.type, s));
    while (features.hasNext()) {
        Statement feature = features.next();
        boolean isNominal = false;
        // check if nominal
        StmtIterator nominalFeatures = jenaModel.listStatements(new SimpleSelector(feature.getSubject(), RDF.type, nominalFeatureClass));
        while (nominalFeatures.hasNext()) {
            nominalFeatures.next();
            isNominal = true;
            break;
        }
        nominalFeatures.close();
        int ndouble = 0;
        int nstring = 0;
        FastVector nominal = new FastVector();
        StmtIterator entries = jenaModel.listStatements(new SimpleSelector(null, featureProperty, feature.getSubject()));
        while (entries.hasNext()) {
            isNominal = false;
            Resource entry = entries.next().getSubject();
            try {
                Statement values = entry.getProperty(valueProperty);
                if (values.getObject().isLiteral()) {
                    Class clazz = ((Literal) values.getObject()).getDatatype().getJavaClass();
                    if (!isNominal) {
                        if (clazz == Double.class)
                            ndouble++;
                        else if (clazz == Float.class)
                            ndouble++;
                        else if (clazz == Integer.class)
                            ndouble++;
                        else if (clazz == Long.class)
                            ndouble++;
                        else if (clazz == Short.class)
                            ndouble++;
                        else
                            // strings become nominals,
                            isNominal = true;
                    // even if not declared as
                    // such
                    }
                    if (isNominal) {
                        String value = ((Literal) values.getObject()).getString();
                        if ((nominal.size() < (maxNominalValues + 1)) && !nominal.contains(value))
                            nominal.addElement(value);
                        nstring++;
                    }
                }
            } catch (Exception x) {
                x.printStackTrace();
            }
        }
        entries.close();
        if ((ndouble + nstring) == 0)
            continue;
        Attribute a = null;
        if (// numeric feature
        ndouble > nstring)
            a = new Attribute(feature.getSubject().toString());
        else if (// string attribute
        nominal.size() > maxNominalValues)
            a = new Attribute(feature.getSubject().toString(), (FastVector) null);
        else
            a = new Attribute(feature.getSubject().toString(), nominal);
        urilookup.put(feature.getSubject().toString(), a);
        attributes.addElement(a);
    }
    return attributes;
}

Example 4 with SimpleSelector

use of com.hp.hpl.jena.rdf.model.SimpleSelector in project ambit-mirror by ideaconsult.

the class RDFInstancesIterator method parseRecord.

@Override
protected Instance parseRecord(RDFNode newEntry, Instance record) {
    if (newEntry.isLiteral())
        return record;
    String id = null;
    // get the compound
    StmtIterator compound = jenaModel.listStatements(new SimpleSelector((Resource) newEntry, OT.OTProperty.compound.createProperty(jenaModel), (RDFNode) null));
    while (compound.hasNext()) {
        Statement st = compound.next();
        id = st.getObject().toString();
        break;
    }
    try {
        record.setValue(urilookup.get(CompoundURI), id);
    } catch (Exception x) {
        x.printStackTrace();
    }
    // get feature values
    parseFeatureValues((Resource) newEntry, record);
    record.setDataset(instances);
    instances.add(record);
    return record;
}

Example 5 with SimpleSelector

use of com.hp.hpl.jena.rdf.model.SimpleSelector in project ambit-mirror by ideaconsult.

the class OTFeature method setSameas.

public OTFeature setSameas(String newLabel) throws Exception {
    Model jenaModel = ModelFactory.createDefaultModel();
    jenaModel.setNsPrefix("ot", OT.NS);
    jenaModel.setNsPrefix("ota", OTA.NS);
    jenaModel.setNsPrefix("otee", OTEE.NS);
    jenaModel.setNsPrefix("owl", OWL.NS);
    jenaModel.setNsPrefix("dc", DC.NS);
    jenaModel.setNsPrefix("bx", BibTex.NS);
    jenaModel.setNsPrefix("xsd", XSDDatatype.XSD + "#");
    jenaModel = OT.createModel(jenaModel, getUri(), MediaType.APPLICATION_RDF_XML, referer);
    Resource thisFeature = jenaModel.createResource(getUri().toString());
    StmtIterator i = jenaModel.listStatements(new SimpleSelector(thisFeature, OWL.sameAs, (RDFNode) null));
    Statement st = null;
    while (i.hasNext()) {
        st = i.next();
        break;
    }
    i.close();
    if (st != null)
        jenaModel.remove(st);
    jenaModel.add(thisFeature, OWL.sameAs, newLabel);
    put(jenaModel);
    jenaModel.close();
    return this;
}