Examples with DatasetGraphTDB org.apache.jena.tdb2.store.DatasetGraphTDB used on opensource projects

Example 11 with DatasetGraphTDB

use of org.apache.jena.tdb2.store.DatasetGraphTDB in project jena by apache.

the class AbstractTestStoreConnectionBasics method store_05.

@Test
public void store_05() {
    StoreConnection sConn = StoreConnection.connectCreate(location);
    DatasetGraphTDB dsg = sConn.getDatasetGraphTDB();
    Txn.executeWrite(dsg, () -> {
        dsg.add(q3);
    });
    Txn.executeWrite(dsg, () -> {
        assertTrue(dsg.contains(q3));
    });
}

Example 12 with DatasetGraphTDB

use of org.apache.jena.tdb2.store.DatasetGraphTDB in project jena by apache.

the class StoreConnection method make.

/**
 * Return a {@code StoreConnection} for a particular location,
 * creating it if it does not exist in storage.
 */
private static synchronized StoreConnection make(Location location, StoreParams params) {
    StoreConnection sConn = cache.get(location);
    if (sConn == null) {
        ProcessFileLock lock = null;
        // This is a tdb.lock file in the storage database, not the switchable.
        if (SystemTDB.DiskLocationMultiJvmUsagePrevention && !location.isMem()) {
            lock = lockForLocation(location);
            // Take the lock.  This is atomic and non-reentrant.
            lock.lockEx();
        }
        // Recovery happens when TransactionCoordinator.start is called
        // during the building of the DatasetGraphTDB
        DatasetGraphTDB dsg = TDB2StorageBuilder.build(location, params);
        sConn = new StoreConnection(dsg, lock);
        if (!location.isMemUnique())
            cache.put(location, sConn);
    }
    return sConn;
}

Example 13 with DatasetGraphTDB

use of org.apache.jena.tdb2.store.DatasetGraphTDB in project jena by apache.

the class TDBInternal method getNode.

/**
 * Return the node for a NodeId (if any). Returns null if the NodeId does not exist in
 * the dataset.
 */
public static Node getNode(DatasetGraphTDB dsg, NodeId nodeId) {
    if (dsg == null)
        return null;
    NodeTable nodeTable = dsg.getQuadTable().getNodeTupleTable().getNodeTable();
    Node node = nodeTable.getNodeForNodeId(nodeId);
    return node;
}

Example 14 with DatasetGraphTDB

use of org.apache.jena.tdb2.store.DatasetGraphTDB in project jena by apache.

the class TDBInternal method getNodeId.

/**
 * Return the NodeId for a node. Returns NodeId.NodeDoesNotExist when the node is not
 * found. Returns null when not a TDB-backed dataset.
 */
public static NodeId getNodeId(DatasetGraphTDB dsg, Node node) {
    if (dsg == null)
        return null;
    NodeTable nodeTable = dsg.getQuadTable().getNodeTupleTable().getNodeTable();
    NodeId nodeId = nodeTable.getNodeIdForNode(node);
    return nodeId;
}

Example 15 with DatasetGraphTDB

use of org.apache.jena.tdb2.store.DatasetGraphTDB in project jena by apache.

the class ProcBuildNodeTableX method exec2.

/**
 * Pair<triples, indexed nodes>
 * @param sortThreads
 */
// [BULK] Output, not return.
private static Pair<Long, Long> exec2(String DB, XLoaderFiles loaderFiles, int sortThreads, String sortNodeTableArgs, List<String> datafiles) {
    // Threads - 1 parser, 1 builder, 2 sort.
    // Steps:
    // 1 - parser to and pipe terms to sort
    // 2 - sort
    // 3 - build node table from unique sort
    IRIProvider provider = SystemIRIx.getProvider();
    // SystemIRIx.setProvider(new IRIProviderAny());
    DatasetGraph dsg = DatabaseMgr.connectDatasetGraph(DB);
    DatasetGraphTDB dsgtdb = TDBInternal.getDatasetGraphTDB(dsg);
    NodeTable nt = dsgtdb.getTripleTable().getNodeTupleTable().getNodeTable();
    NodeTableTRDF nodeTable = (NodeTableTRDF) nt.baseNodeTable();
    OutputStream toSortOutputStream;
    InputStream fromSortInputStream;
    if (sortThreads <= 0)
        sortThreads = 2;
    // ** Step 2: The sort
    Process procSort;
    try {
        // LOG.info("Step : external sort");
        // Mutable list.
        List<String> sortCmd = new ArrayList<>(Arrays.asList("sort", "--temporary-directory=" + loaderFiles.TMPDIR, "--buffer-size=50%", "--parallel=" + sortThreads, "--unique", "--key=1,1"));
        if (BulkLoaderX.CompressSortNodeTableFiles)
            sortCmd.add("--compress-program=" + BulkLoaderX.gzipProgram());
        // if ( sortNodeTableArgs != null ) {}
        ProcessBuilder pb2 = new ProcessBuilder(sortCmd);
        pb2.environment().put("LC_ALL", "C");
        procSort = pb2.start();
        // To process.
        // Let the writer close it.
        toSortOutputStream = procSort.getOutputStream();
        // From process to the tree builder.
        // Let the reader side close it.
        fromSortInputStream = procSort.getInputStream();
    // // Debug sort process.
    // InputStream fromSortErrortStream = proc2.getErrorStream();
    // IOUtils.copy(fromSortErrortStream, System.err);
    } catch (Exception ex) {
        throw new RuntimeException(ex);
    }
    // ** Step 1 : write intermediate file (hash, thrift bytes).
    AtomicLong countParseTicks = new AtomicLong(-1);
    AtomicLong countIndexedNodes = new AtomicLong(-1);
    long tickPoint = BulkLoaderX.DataTick;
    int superTick = BulkLoaderX.DataSuperTick;
    Runnable task1 = () -> {
        ProgressMonitorOutput monitor = ProgressMonitorOutput.create(BulkLoaderX.LOG_Nodes, "Nodes", tickPoint, superTick);
        OutputStream output = IO.ensureBuffered(toSortOutputStream);
        // Counting.
        StreamRDF worker = new NodeHashTmpStream(output);
        ProgressStreamRDF stream = new ProgressStreamRDF(worker, monitor);
        monitor.start();
        String label = monitor.getLabel();
        datafiles.forEach(datafile -> {
            String basename = FileOps.basename(datafile);
            monitor.setLabel(basename);
            stream.start();
            RDFParser.source(datafile).parse(stream);
            stream.finish();
        });
        monitor.finish();
        monitor.setLabel(label);
        IO.flush(output);
        IO.close(output);
        long x = monitor.getTime();
        // long x = timer.endTimer();
        long count = monitor.getTicks();
        countParseTicks.set(count);
        double xSec = x / 1000.0;
        double rate = count / xSec;
        FmtLog.info(BulkLoaderX.LOG_Nodes, "%s Parse (nodes): %s seconds : %,d triples/quads %,.0f TPS", BulkLoaderX.StageMarker, Timer.timeStr(x), count, rate);
    };
    // [BULK] XXX AsyncParser.asyncParse(files, output)
    Thread thread1 = async(task1, "AsyncParser");
    // Step3: build node table.
    Runnable task3 = () -> {
        Timer timer = new Timer();
        // Don't start timer until sort send something
        // Process stream are already buffered.
        InputStream input = IO.ensureBuffered(fromSortInputStream);
        FileSet fileSet = new FileSet(dsgtdb.getLocation(), Names.nodeTableBaseName);
        BufferChannel blkState = FileFactory.createBufferChannel(fileSet, Names.extBptState);
        long idxTickPoint = BulkLoaderX.DataTick;
        int idxSuperTick = BulkLoaderX.DataSuperTick;
        ProgressMonitorOutput monitor = ProgressMonitorOutput.create(BulkLoaderX.LOG_Terms, "Index", idxTickPoint, idxSuperTick);
        // Library of tools!
        dsg.executeWrite(() -> {
            BinaryDataFile objectFile = nodeTable.getData();
            Iterator<Record> rIter = records(BulkLoaderX.LOG_Terms, input, objectFile);
            rIter = new ProgressIterator<>(rIter, monitor);
            // Record of (hash, nodeId)
            BPlusTree bpt1 = (BPlusTree) (nodeTable.getIndex());
            BPlusTreeParams bptParams = bpt1.getParams();
            RecordFactory factory = new RecordFactory(SystemTDB.LenNodeHash, NodeId.SIZE);
            // Wait until something has been received from the sort step
            rIter.hasNext();
            monitor.start();
            // .. then start the timer. It is closed after the transaction finishes.
            timer.startTimer();
            BPlusTree bpt2 = BPlusTreeRewriter.packIntoBPlusTree(rIter, bptParams, factory, blkState, bpt1.getNodeManager().getBlockMgr(), bpt1.getRecordsMgr().getBlockMgr());
            bpt2.sync();
            bpt1.sync();
            objectFile.sync();
            monitor.finish();
        });
        blkState.sync();
        IO.close(input);
        long x = timer.endTimer();
        long count = monitor.getTicks();
        countIndexedNodes.set(count);
        String rateStr = BulkLoaderX.rateStr(count, x);
        FmtLog.info(BulkLoaderX.LOG_Terms, "%s Index terms: %s seconds : %,d indexed RDF terms : %s PerSecond", BulkLoaderX.StageMarker, Timer.timeStr(x), count, rateStr);
    };
    Thread thread3 = async(task3, "AsyncBuild");
    try {
        int exitCode = procSort.waitFor();
        if (exitCode != 0) {
            String msg = IO.readWholeFileAsUTF8(procSort.getErrorStream());
            String logMsg = String.format("Sort RC = %d : Error: %s", exitCode, msg);
            Log.error(BulkLoaderX.LOG_Terms, logMsg);
            // ** Exit process
            System.exit(exitCode);
        } else
            BulkLoaderX.LOG_Terms.info("Sort finished");
    // I/O Stream toSortOutputStream and fromSortInputStream closed by
    // their users - step 1 and step 3.
    } catch (InterruptedException e) {
        BulkLoaderX.LOG_Nodes.error("Failed to cleanly wait-for the subprocess");
        throw new RuntimeException(e);
    }
    BulkLoaderX.waitFor(thread1);
    BulkLoaderX.waitFor(thread3);
    return Pair.create(countParseTicks.get(), countIndexedNodes.get());
}