Examples with Dataset org.apache.jena.query.Dataset used on opensource projects

Example 61 with Dataset

use of org.apache.jena.query.Dataset in project jena by apache.

the class TestDatasetTDBPersist method dataset2.

@Test
public void dataset2() {
    Dataset ds = graphLocation.getDataset();
    Graph g1 = ds.getDefaultModel().getGraph();
    Graph g2 = ds.getNamedModel("http://example/").getGraph();
    g1.add(new Triple(n0, n1, n2));
    assertTrue(g1.contains(n0, n1, n2));
    assertFalse(g2.contains(n0, n1, n2));
}

Example 62 with Dataset

use of org.apache.jena.query.Dataset in project jena by apache.

the class TestDatasetTDBPersist method dataset1.

@Test
public void dataset1() {
    Dataset ds = graphLocation.getDataset();
    assertTrue(ds.getDefaultModel().getGraph() instanceof GraphTDB);
    assertTrue(ds.getNamedModel("http://example/").getGraph() instanceof GraphTDB);
}

Example 63 with Dataset

use of org.apache.jena.query.Dataset in project jena by apache.

the class FusekiCmd method processModulesAndArgs.

@Override
protected void processModulesAndArgs() {
    int x = 0;
    Logger log = Fuseki.serverLog;
    if (contains(argFusekiConfig))
        fusekiConfigFile = getValue(argFusekiConfig);
    ArgDecl assemblerDescDecl = new ArgDecl(ArgDecl.HasValue, "desc", "dataset");
    if (contains(argMem))
        x++;
    if (contains(argFile))
        x++;
    if (contains(assemblerDescDecl))
        x++;
    if (contains(argTDB))
        x++;
    if (contains(argMemTDB))
        x++;
    if (fusekiConfigFile != null) {
        if (x >= 1)
            throw new CmdException("Dataset specified on the command line but a configuration file also given.");
    } else {
        if (x != 1)
            throw new CmdException("Required: either --config=FILE or one of --mem, --file, --loc or --desc");
    }
    if (contains(argMem)) {
        log.info("Dataset: in-memory");
        dsg = DatasetGraphFactory.create();
    }
    if (contains(argFile)) {
        dsg = DatasetGraphFactory.create();
        // replace by RiotLoader after ARQ refresh.
        String filename = getValue(argFile);
        log.info("Dataset: in-memory: load file: " + filename);
        if (!FileOps.exists(filename))
            throw new CmdException("File not found: " + filename);
        Lang language = RDFLanguages.filenameToLang(filename);
        if (language == null)
            throw new CmdException("Can't guess language for file: " + filename);
        InputStream input = IO.openFile(filename);
        if (RDFLanguages.isQuads(language))
            RDFDataMgr.read(dsg, filename);
        else
            RDFDataMgr.read(dsg.getDefaultGraph(), filename);
    }
    if (contains(argMemTDB)) {
        log.info("TDB dataset: in-memory");
        dsg = TDBFactory.createDatasetGraph();
    }
    if (contains(argTDB)) {
        String dir = getValue(argTDB);
        if (Objects.equals(dir, Names.memName)) {
            log.info("TDB dataset: in-memory");
        } else {
            if (!FileOps.exists(dir))
                throw new CmdException("Directory not found: " + dir);
            log.info("TDB dataset: directory=" + dir);
        }
        dsg = TDBFactory.createDatasetGraph(dir);
    }
    // Otherwise
    if (contains(assemblerDescDecl)) {
        log.info("Dataset from assembler");
        Dataset ds = modDataset.createDataset();
        if (ds != null)
            dsg = ds.asDatasetGraph();
    }
    if (contains(argFusekiConfig)) {
        if (dsg != null)
            throw new CmdException("(internal error) Dataset specificed on the command line but a a configuration file also given.");
        fusekiConfigFile = getValue(argFusekiConfig);
    }
    if (contains(argPort)) {
        String portStr = getValue(argPort);
        try {
            port = Integer.parseInt(portStr);
        } catch (NumberFormatException ex) {
            throw new CmdException(argPort.getKeyName() + " : bad port number: " + portStr);
        }
    }
    if (contains(argMgtPort)) {
        String mgtPortStr = getValue(argMgtPort);
        try {
            mgtPort = Integer.parseInt(mgtPortStr);
        } catch (NumberFormatException ex) {
            throw new CmdException(argMgtPort.getKeyName() + " : bad port number: " + mgtPortStr);
        }
    }
    if (contains(argLocalhost))
        listenLocal = true;
    if (fusekiConfigFile == null && dsg == null)
        throw new CmdException("No dataset defined and no configuration file: " + argUsage);
    if (dsg != null) {
        if (getPositional().size() == 0)
            throw new CmdException("No dataset path name given");
        if (getPositional().size() > 1)
            throw new CmdException("Multiple dataset path names given");
        datasetPath = getPositionalArg(0);
        if (datasetPath.length() > 0 && !datasetPath.startsWith("/"))
            throw new CmdException("Dataset path name must begin with a /: " + datasetPath);
        allowUpdate = contains(argAllowUpdate);
    }
    if (contains(argTimeout)) {
        String str = getValue(argTimeout);
        ARQ.getContext().set(ARQ.queryTimeout, str);
    }
    if (contains(argJettyConfig)) {
        jettyConfigFile = getValue(argJettyConfig);
        if (!FileOps.exists(jettyConfigFile))
            throw new CmdException("No such file: " + jettyConfigFile);
    }
    if (contains(argBasicAuth)) {
        authConfigFile = getValue(argBasicAuth);
        if (!FileOps.exists(authConfigFile))
            throw new CmdException("No such file: " + authConfigFile);
    }
    if (contains(argHome)) {
        List<String> args = super.getValues(argHome);
        homeDir = args.get(args.size() - 1);
    }
    if (contains(argPages)) {
        List<String> args = super.getValues(argPages);
        pagesDir = args.get(args.size() - 1);
    }
    if (contains(argGZip)) {
        if (!hasValueOfTrue(argGZip) && !hasValueOfFalse(argGZip))
            throw new CmdException(argGZip.getNames().get(0) + ": Not understood: " + getValue(argGZip));
        enableCompression = super.hasValueOfTrue(argGZip);
    }
    if (contains(argUber))
        SPARQLServer.überServlet = true;
    if (contains(argGSP)) {
        SPARQLServer.überServlet = true;
        Fuseki.graphStoreProtocolPostCreate = true;
    }
}

Example 64 with Dataset

use of org.apache.jena.query.Dataset in project jena by apache.

the class ResponseDataset method doResponseModel.

public static void doResponseModel(HttpAction action, Model model) {
    Dataset ds = DatasetFactory.create(model);
    ResponseDataset.doResponseDataset(action, ds);
}

Example 65 with Dataset

use of org.apache.jena.query.Dataset in project jena by apache.

the class SPARQL_QueryGeneral method datasetFromDescriptionWeb.

/**
     * Construct a Dataset based on a dataset description. Loads graph from the
     * web.
     */
protected Dataset datasetFromDescriptionWeb(HttpAction action, DatasetDescription datasetDesc) {
    try {
        if (datasetDesc == null)
            return null;
        if (datasetDesc.isEmpty())
            return null;
        List<String> graphURLs = datasetDesc.getDefaultGraphURIs();
        List<String> namedGraphs = datasetDesc.getNamedGraphURIs();
        if (graphURLs.size() == 0 && namedGraphs.size() == 0)
            return null;
        Dataset dataset = DatasetFactory.create();
        // Look in cache for loaded graphs!!
        // ---- Default graph
        {
            Model model = ModelFactory.createDefaultModel();
            for (String uri : graphURLs) {
                if (uri == null || uri.equals(""))
                    throw new InternalErrorException("Default graph URI is null or the empty string");
                try {
                    GraphLoadUtils.loadModel(model, uri, MaxTriples);
                    action.log.info(format("[%d] Load (default graph) %s", action.id, uri));
                } catch (RiotException ex) {
                    action.log.info(format("[%d] Parsing error loading %s: %s", action.id, uri, ex.getMessage()));
                    ServletOps.errorBadRequest("Failed to load URL (parse error) " + uri + " : " + ex.getMessage());
                } catch (Exception ex) {
                    action.log.info(format("[%d] Failed to load (default) %s: %s", action.id, uri, ex.getMessage()));
                    ServletOps.errorBadRequest("Failed to load URL " + uri);
                }
            }
            dataset.setDefaultModel(model);
        }
        // ---- Named graphs
        if (namedGraphs != null) {
            for (String uri : namedGraphs) {
                if (uri == null || uri.equals(""))
                    throw new InternalErrorException("Named graph URI is null or the empty string");
                try {
                    Model model = ModelFactory.createDefaultModel();
                    GraphLoadUtils.loadModel(model, uri, MaxTriples);
                    action.log.info(format("[%d] Load (named graph) %s", action.id, uri));
                    dataset.addNamedModel(uri, model);
                } catch (RiotException ex) {
                    action.log.info(format("[%d] Parsing error loading %s: %s", action.id, uri, ex.getMessage()));
                    ServletOps.errorBadRequest("Failed to load URL (parse error) " + uri + " : " + ex.getMessage());
                } catch (Exception ex) {
                    action.log.info(format("[%d] Failed to load (named graph) %s: %s", action.id, uri, ex.getMessage()));
                    ServletOps.errorBadRequest("Failed to load URL " + uri);
                }
            }
        }
        return dataset;
    } catch (ActionErrorException ex) {
        throw ex;
    } catch (Exception ex) {
        action.log.info(format("[%d] SPARQL parameter error: " + ex.getMessage(), action.id, ex));
        ServletOps.errorBadRequest("Parameter error: " + ex.getMessage());
        return null;
    }
}