Examples with Model org.apache.jena.rdf.model.Model used on opensource projects

Example 86 with Model

use of org.apache.jena.rdf.model.Model in project jena by apache.

the class T_TransSystem method describeWithAbort.

public static int describeWithAbort(String queryStr, DatasetGraph dsg, long abortTime) {
    int counter = 0;
    Query query = QueryFactory.create(queryStr, Syntax.syntaxARQ);
    try (QueryExecution qExec = QueryExecutionFactory.create(query, DatasetFactory.wrap(dsg))) {
        qExec.setTimeout(abortTime);
        Model model = qExec.execDescribe();
        //ResultSet rs = qExec.execSelect() ;
        for (Iterator<Statement> stmIterator = model.listStatements(); stmIterator.hasNext(); ) {
            stmIterator.next();
            counter++;
        }
        return counter;
    }
}

Example 87 with Model

use of org.apache.jena.rdf.model.Model in project jena by apache.

the class ResultSetFactory method result.

/**
     * Read in any kind of result kind (result set, boolean, graph)
     */
public static SPARQLResult result(String filenameOrURI, ResultsFormat format) {
    if (format == null)
        format = ResultsFormat.guessSyntax(filenameOrURI);
    if (format == null) {
        Log.warn(ResultSet.class, "Null format - defaulting to XML");
        format = ResultsFormat.FMT_RS_XML;
    }
    if (format.equals(ResultsFormat.FMT_TEXT)) {
        Log.error(ResultSet.class, "Can't read a text result set");
        throw new ResultSetException("Can't read a text result set");
    }
    if (format.equals(ResultsFormat.FMT_RS_XML) || format.equals(ResultsFormat.FMT_RS_JSON) || format.equals(ResultsFormat.FMT_RS_TSV) || format.equals(ResultsFormat.FMT_RS_CSV)) {
        InputStream in = null;
        try {
            in = FileManager.get().open(filenameOrURI);
            if (in == null)
                throw new NotFoundException(filenameOrURI);
        } catch (NotFoundException ex) {
            throw new NotFoundException("File not found: " + filenameOrURI);
        }
        SPARQLResult x = null;
        if (format.equals(ResultsFormat.FMT_RS_JSON))
            return JSONInput.make(in, GraphFactory.makeDefaultModel());
        else if (format.equals(ResultsFormat.FMT_RS_XML))
            return XMLInput.make(in, GraphFactory.makeDefaultModel());
        else if (format.equals(ResultsFormat.FMT_RS_TSV)) {
            ResultSet rs = TSVInput.fromTSV(in);
            return new SPARQLResult(rs);
        } else if (format.equals(ResultsFormat.FMT_RS_CSV)) {
            ResultSet rs = CSVInput.fromCSV(in);
            return new SPARQLResult(rs);
        } else if (format.equals(ResultsFormat.FMT_RS_BIO)) {
            ResultSet rs = BIOInput.fromBIO(in);
            return new SPARQLResult(rs);
        }
    }
    if (ResultsFormat.isRDFGraphSyntax(format)) {
        Model model = FileManager.get().loadModel(filenameOrURI);
        return new SPARQLResult(model);
    }
    Log.error(ResultSet.class, "Unknown result set syntax: " + format);
    return null;
}

Example 88 with Model

use of org.apache.jena.rdf.model.Model in project jena by apache.

the class AssemblerUtils method readAssemblerFile.

public static Model readAssemblerFile(String assemblerFile) {
    Model spec = null;
    try {
        spec = RDFDataMgr.loadModel(assemblerFile);
    } catch (Exception ex) {
        throw new ARQException("Failed reading assembler description: " + ex.getMessage());
    }
    spec.add(modelExtras);
    return spec;
}

Example 89 with Model

use of org.apache.jena.rdf.model.Model in project jena by apache.

the class DescribeBNodeClosure method describe.

// Check all named graphs
@Override
public void describe(Resource r) {
    // Default model.
    Closure.closure(otherModel(r, dataset.getDefaultModel()), false, acc);
    // Find all the named graphs in which this resource
    // occurs as a subject.  Faster than iterating in the
    // names of graphs in the case of very large numbers
    // of graphs, few of which contain the resource, in
    // some kind of persistent storage.
    QuerySolutionMap qsm = new QuerySolutionMap();
    qsm.add("s", r);
    QueryExecution qExec = QueryExecutionFactory.create(query, dataset, qsm);
    ResultSet rs = qExec.execSelect();
    for (; rs.hasNext(); ) {
        QuerySolution qs = rs.next();
        String gName = qs.getResource("g").getURI();
        Model model = dataset.getNamedModel(gName);
        Resource r2 = otherModel(r, model);
        Closure.closure(r2, false, acc);
    }
    //        // Named graphs
    //        for ( Iterator<String> iter = dataset.listNames() ; iter.hasNext() ; )
    //        {
    //            String name = iter.next();
    //            Model model =  dataset.getNamedModel(name) ;
    //            Resource r2 = otherModel(r, model) ;
    //            Closure.closure(r2, false, acc) ;
    //        }
    Closure.closure(r, false, acc);
}

Example 90 with Model

use of org.apache.jena.rdf.model.Model in project jena by apache.

the class QueryExecUtils method outputResultSet.

@SuppressWarnings("deprecation")
public static void outputResultSet(ResultSet results, Prologue prologue, ResultsFormat outputFormat) {
    // Proper ResultSet formats.
    Lang lang = ResultsFormat.convert(outputFormat);
    if (lang != null) {
        ResultSetMgr.write(System.out, results, lang);
        System.out.flush();
        return;
    }
    // Old way.
    boolean done = false;
    if (prologue == null)
        prologue = new Prologue(globalPrefixMap);
    if (outputFormat.equals(ResultsFormat.FMT_UNKNOWN))
        outputFormat = ResultsFormat.FMT_TEXT;
    if (outputFormat.equals(ResultsFormat.FMT_NONE) || outputFormat.equals(ResultsFormat.FMT_COUNT)) {
        int count = ResultSetFormatter.consume(results);
        if (outputFormat.equals(ResultsFormat.FMT_COUNT)) {
            System.out.println("Count = " + count);
        }
        done = true;
    }
    if (outputFormat.equals(ResultsFormat.FMT_RDF_XML) || outputFormat.equals(ResultsFormat.FMT_RDF_N3) || outputFormat.equals(ResultsFormat.FMT_RDF_TTL)) {
        Model m = RDFOutput.encodeAsModel(results);
        m.setNsPrefixes(prologue.getPrefixMapping());
        m.setNsPrefix("rs", ResultSetGraphVocab.getURI());
        RDFDataMgr.write(System.out, m, Lang.TURTLE);
        done = true;
    }
    if (outputFormat.equals(ResultsFormat.FMT_RS_XML)) {
        ResultSetFormatter.outputAsXML(System.out, results);
        done = true;
    }
    if (outputFormat.equals(ResultsFormat.FMT_RS_JSON)) {
        ResultSetFormatter.outputAsJSON(System.out, results);
        done = true;
    }
    if (outputFormat.equals(ResultsFormat.FMT_RS_SSE)) {
        ResultSetFormatter.outputAsSSE(System.out, results, prologue);
        done = true;
    }
    if (outputFormat.equals(ResultsFormat.FMT_TEXT)) {
        ResultSetFormatter.out(System.out, results, prologue);
        done = true;
    }
    if (outputFormat.equals(ResultsFormat.FMT_TUPLES)) {
        PlainFormat pFmt = new PlainFormat(System.out, prologue);
        ResultSetApply a = new ResultSetApply(results, pFmt);
        a.apply();
        done = true;
    }
    if (outputFormat.equals(ResultsFormat.FMT_RS_CSV)) {
        ResultSetFormatter.outputAsCSV(System.out, results);
        done = true;
    }
    if (outputFormat.equals(ResultsFormat.FMT_RS_TSV)) {
        ResultSetFormatter.outputAsTSV(System.out, results);
        done = true;
    }
    if (outputFormat.equals(ResultsFormat.FMT_RS_BIO)) {
        ResultSetFormatter.outputAsBIO(System.out, results);
        done = true;
    }
    if (!done)
        System.err.println("Unknown format request: " + outputFormat);
    results = null;
    System.out.flush();
}