Examples with DatasetGraphTDB org.apache.jena.tdb.store.DatasetGraphTDB used on opensource projects

Example 16 with DatasetGraphTDB

use of org.apache.jena.tdb.store.DatasetGraphTDB in project jena by apache.

the class AbstractTestTransSeq method trans_readBlock_10.

@Test
public void trans_readBlock_10() {
    // READ(start)-WRITE(start)-WRITE(finish)-WRITE(start)-READ(finish)-WRITE(finish)-check
    StoreConnection sConn = getStoreConnection();
    DatasetGraphTxn dsgR1 = sConn.begin(ReadWrite.READ);
    DatasetGraphTxn dsgW1 = sConn.begin(ReadWrite.WRITE);
    dsgW1.add(q1);
    dsgW1.commit();
    dsgW1.end();
    DatasetGraphTxn dsgW2 = sConn.begin(ReadWrite.WRITE);
    dsgW2.add(q2);
    dsgR1.end();
    dsgW2.commit();
    dsgW2.end();
    sConn.forceRecoverFromJournal();
    DatasetGraphTDB dsg = sConn.getBaseDataset();
    assertTrue(dsg.contains(q1));
    assertTrue(dsg.contains(q2));
}

Example 17 with DatasetGraphTDB

use of org.apache.jena.tdb.store.DatasetGraphTDB in project jena by apache.

the class AbstractTestTransSeq method trans_readBlock_11.

@Test
public void trans_readBlock_11() {
    // JENA-91
    // READ(start)-WRITE-WRITE-WRITE-READ(finish)-check
    StoreConnection sConn = getStoreConnection();
    DatasetGraphTxn dsgR1 = sConn.begin(ReadWrite.READ);
    DatasetGraphTxn dsgW1 = sConn.begin(ReadWrite.WRITE);
    dsgW1.add(q1);
    dsgW1.commit();
    dsgW1.end();
    DatasetGraphTxn dsgW2 = sConn.begin(ReadWrite.WRITE);
    dsgW2.add(q2);
    dsgW2.commit();
    dsgW2.end();
    DatasetGraphTxn dsgW3 = sConn.begin(ReadWrite.WRITE);
    dsgW3.add(q3);
    dsgW3.commit();
    dsgW3.end();
    dsgR1.end();
    sConn.flush();
    DatasetGraphTDB dsg = sConn.getBaseDataset();
    assertTrue(dsg.contains(q1));
    assertTrue(dsg.contains(q2));
    assertTrue(dsg.contains(q3));
}

Example 18 with DatasetGraphTDB

use of org.apache.jena.tdb.store.DatasetGraphTDB in project jena by apache.

the class MgtFunctions method prefixes.

/** Return prefixes for the datasets, SPARQL syntax. */
public static String prefixes(HttpServletRequest request) {
    String dsName = dataset(request);
    DatasetRef desc = getFromRegistry(dsName);
    if (desc == null)
        return "<not found>";
    DatasetGraph dsg = desc.dataset;
    if (dsg instanceof DatasetGraphTDB) {
        PrefixMapping pmap = ((DatasetGraphTDB) dsg).getPrefixes().getPrefixMapping();
        Prologue prologue = new Prologue(pmap);
        IndentedLineBuffer buff = new IndentedLineBuffer();
        PrologueSerializer.output(buff, prologue);
        buff.append("\n");
        return buff.asString();
    }
    return "";
}

Example 19 with DatasetGraphTDB

use of org.apache.jena.tdb.store.DatasetGraphTDB in project jena by apache.

the class ProcNodeTableBuilder method exec.

public static void exec(Location location, String dataFileTriples, String dataFileQuads, List<String> datafiles, boolean collectStats) {
    // This formats the location correctly.
    // But we're not really interested in it all.
    DatasetGraphTDB dsg = DatasetBuilderStd.create(location);
    // so close indexes and the prefix table.
    dsg.getTripleTable().getNodeTupleTable().getTupleTable().close();
    dsg.getQuadTable().getNodeTupleTable().getTupleTable().close();
    ProgressMonitor monitor = ProgressMonitor.create(cmdLog, "Data", BulkLoader.DataTickPoint, BulkLoader.superTick);
    OutputStream outputTriples = null;
    OutputStream outputQuads = null;
    try {
        outputTriples = new FileOutputStream(dataFileTriples);
        outputQuads = new FileOutputStream(dataFileQuads);
    } catch (FileNotFoundException e) {
        throw new AtlasException(e);
    }
    NodeTableBuilder sink = new NodeTableBuilder(dsg, monitor, outputTriples, outputQuads, collectStats);
    monitor.start();
    sink.startBulk();
    for (String filename : datafiles) {
        if (datafiles.size() > 0)
            cmdLog.info("Load: " + filename + " -- " + DateTimeUtils.nowAsString());
        RDFDataMgr.parse(sink, filename);
    }
    sink.finishBulk();
    IO.close(outputTriples);
    IO.close(outputQuads);
    // See Stats class.
    if (!location.isMem() && sink.getCollector() != null)
        Stats.write(dsg.getLocation().getPath(Names.optStats), sink.getCollector().results());
    // ---- Monitor
    long time = monitor.finish();
    long total = monitor.getTicks();
    float elapsedSecs = time / 1000F;
    float rate = (elapsedSecs != 0) ? total / elapsedSecs : 0;
    String str = String.format("Total: %,d tuples : %,.2f seconds : %,.2f tuples/sec [%s]", total, elapsedSecs, rate, DateTimeUtils.nowAsString());
    cmdLog.info(str);
}

Example 20 with DatasetGraphTDB

use of org.apache.jena.tdb.store.DatasetGraphTDB in project jena by apache.

the class OpExecutorTDB1 method execute.

@Override
protected QueryIterator execute(OpDatasetNames dsNames, QueryIterator input) {
    DatasetGraphTDB ds = (DatasetGraphTDB) execCxt.getDataset();
    Predicate<Tuple<NodeId>> filter = QC2.getFilter(execCxt.getContext());
    Node gn = dsNames.getGraphNode();
    if (Var.isVar(gn))
        return SolverLib.graphNames(ds, dsNames.getGraphNode(), input, filter, execCxt);
    else
        return SolverLib.testForGraphName(ds, dsNames.getGraphNode(), input, filter, execCxt);
}