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

Example 21 with DatasetGraphTDB

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

the class OpExecutorTDB1 method execute.

@Override
protected QueryIterator execute(OpFilter opFilter, QueryIterator input) {
    if (!isForTDB)
        return super.execute(opFilter, input);
    // (filter (bgp ...))
    if (OpBGP.isBGP(opFilter.getSubOp())) {
        // Still may be a TDB graph in a non-TDB dataset (e.g. a named model)
        GraphTDB graph = (GraphTDB) execCxt.getActiveGraph();
        OpBGP opBGP = (OpBGP) opFilter.getSubOp();
        return executeBGP(graph, opBGP, input, opFilter.getExprs(), execCxt);
    }
    // (filter (quadpattern ...))
    if (opFilter.getSubOp() instanceof OpQuadPattern) {
        OpQuadPattern quadPattern = (OpQuadPattern) opFilter.getSubOp();
        DatasetGraphTDB ds = (DatasetGraphTDB) execCxt.getDataset();
        return optimizeExecuteQuads(ds, input, quadPattern.getGraphNode(), quadPattern.getBasicPattern(), opFilter.getExprs(), execCxt);
    }
    // (filter (anything else))
    return super.execute(opFilter, input);
}

Example 22 with DatasetGraphTDB

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

the class DumpOps method dump.

public static void dump(Dataset ds) {
    DatasetGraphTDB dsg = (DatasetGraphTDB) (ds.asDatasetGraph());
    NodeTupleTable nodeTupleTableTriples = dsg.getTripleTable().getNodeTupleTable();
    NodeTupleTable nodeTupleTableQuads = dsg.getQuadTable().getNodeTupleTable();
    if (nodeTupleTableTriples.getNodeTable() != nodeTupleTableQuads.getNodeTable())
        throw new TDBException("Different node tables for triples and quads");
    NodeTable nodeTable = nodeTupleTableTriples.getNodeTable();
    // V special.
    Set<NodeTable> dumpedNodeTables = new HashSet<>();
    if (true) {
        System.out.print("## Node Table\n");
        dumpNodeTable(nodeTupleTableTriples.getNodeTable(), dumpedNodeTables);
        dumpNodeTable(nodeTupleTableQuads.getNodeTable(), dumpedNodeTables);
    }
    if (false) {
        System.out.print("## Triple Table\n");
        dumpNodeTupleTable(nodeTupleTableTriples.getTupleTable());
        System.out.print("## Quad Table\n");
        dumpNodeTupleTable(nodeTupleTableQuads.getTupleTable());
    }
    // Indexes.
    if (true) {
        dumpTupleIndexes(nodeTupleTableTriples.getTupleTable().getIndexes());
        dumpTupleIndexes(nodeTupleTableQuads.getTupleTable().getIndexes());
    }
    // Prefixes
    if (true) {
        System.out.print("## Prefix Table\n");
        DatasetPrefixesTDB prefixes = dsg.getPrefixes();
        NodeTupleTable pntt = prefixes.getNodeTupleTable();
        if (!dumpedNodeTables.contains(pntt.getNodeTable())) {
            dumpNodeTable(pntt.getNodeTable(), dumpedNodeTables);
            dumpedNodeTables.add(pntt.getNodeTable());
        }
        dumpTupleIndexes(prefixes.getNodeTupleTable().getTupleTable().getIndexes());
    }
}

Example 23 with DatasetGraphTDB

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

the class TransactionManager method begin$.

// If DatasetGraphTransaction has a sync lock on sConn, this
// does not need to be sync'ed. But it's possible to use some
// of the low level object directly so we'll play safe.  
private synchronized DatasetGraphTxn begin$(ReadWrite mode, String label) {
    if (// Guard
    mode == ReadWrite.WRITE && activeWriters.get() > 0)
        throw new TDBTransactionException("Existing active write transaction");
    if (DEBUG)
        switch(mode) {
            case READ:
                System.out.print("r");
                break;
            case WRITE:
                System.out.print("w");
                break;
        }
    DatasetGraphTDB dsg = determineBaseDataset();
    Transaction txn = createTransaction(dsg, mode, label);
    log("begin$", txn);
    DatasetGraphTxn dsgTxn = createDSGTxn(dsg, txn, mode);
    txn.setActiveDataset(dsgTxn);
    // Empty for READ ; only WRITE transactions have components that need notifiying.
    List<TransactionLifecycle> components = dsgTxn.getTransaction().lifecycleComponents();
    if (mode == ReadWrite.READ) {
        // ---- Consistency check. View caching does not reset components.
        if (components.size() != 0)
            log.warn("read transaction, non-empty lifecycleComponents list");
    }
    for (TransactionLifecycle component : components) component.begin(dsgTxn.getTransaction());
    noteStartTxn(txn);
    return dsgTxn;
}

Example 24 with DatasetGraphTDB

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

the class TestTransRestart method testPlain.

@Test
public void testPlain() {
    assertEquals(3, countRDFNodes());
    DatasetGraphTDB dsg = createPlain(location);
    assertTrue(dsg.contains(quad1));
    dsg.add(quad2);
    assertTrue(dsg.contains(quad2));
    dsg.close();
    StoreConnection.release(location);
    assertEquals(4, countRDFNodes());
}