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

Example 26 with Model

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

the class T_TDBWriteTransaction method run.

public static void run(String location) {
    if (false) {
        Journal journal = Journal.create(Location.create(location));
        JournalControl.print(journal);
        journal.close();
    }
    //String location = args[0]; // + "/" + UUID.randomUUID().toString();
    //String baseGraphName = "com.ibm.test.graphNamePrefix.";   
    long totalExecTime = 0L;
    long size = 0;
    Dataset dataset = TDBFactory.createDataset(location);
    Dataset dataset1 = TDBFactory.createDataset(location);
    if (bracketWithReader)
        dataset1.begin(ReadWrite.READ);
    for (int i = 0; i < TOTAL; i++) {
        List<String> lastProcessedUris = new ArrayList<>();
        for (int j = 0; j < 10 * i; j++) {
            String lastProcessedUri = "http://test.net/xmlns/test/1.0/someUri" + j;
            lastProcessedUris.add(lastProcessedUri);
        }
        //Dataset dataset = TDBFactory.createDataset(location);
        //String graphName = baseGraphName + i;
        long t = System.currentTimeMillis();
        try {
            dataset.begin(ReadWrite.WRITE);
            Model m = dataset.getDefaultModel();
            m.removeAll();
            Resource subject = m.createResource(INDEX_INFO_SUBJECT);
            Property predicate = m.createProperty(TIMESTAMP_PREDICATE);
            m.addLiteral(subject, predicate, System.currentTimeMillis());
            predicate = m.createProperty(URI_PREDICATE);
            for (String uri : lastProcessedUris) {
                m.add(subject, predicate, m.createResource(uri));
            }
            predicate = m.createProperty(VERSION_PREDICATE);
            m.addLiteral(subject, predicate, 1.0);
            size += m.size() + 1;
            predicate = m.createProperty(INDEX_SIZE_PREDICATE);
            m.addLiteral(subject, predicate, size);
            dataset.commit();
        } catch (Throwable e) {
            dataset.abort();
            throw new RuntimeException(e);
        } finally {
            dataset.end();
            long writeOperationDuration = System.currentTimeMillis() - t;
            totalExecTime += writeOperationDuration;
            System.out.println("Write operation " + i + " took " + writeOperationDuration + "ms");
        }
    }
    if (bracketWithReader)
        dataset1.end();
    System.out.println("All " + TOTAL + " write operations wrote " + size + " triples and took " + totalExecTime + "ms");
}

Example 27 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 28 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 29 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();
}

Example 30 with Model

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

the class QueryExecUtils method doDescribeQuery.

private static void doDescribeQuery(Prologue prologue, QueryExecution qe, ResultsFormat outputFormat) {
    if (outputFormat == null || outputFormat == ResultsFormat.FMT_UNKNOWN)
        outputFormat = ResultsFormat.FMT_RDF_TTL;
    Model r = qe.execDescribe();
    writeModel(prologue, r, outputFormat);
}