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

Example 26 with NodeTable

use of org.apache.jena.tdb.store.nodetable.NodeTable in project jena by apache.

the class SolverRX method accessData.

static Iterator<Quad> accessData(Tuple<Node> patternTuple, NodeTupleTable nodeTupleTable, boolean anyGraph, Predicate<Tuple<NodeId>> filter, ExecutionContext execCxt) {
    NodeTable nodeTable = nodeTupleTable.getNodeTable();
    Function<Tuple<NodeId>, Quad> asQuad = asQuad(nodeTable, nodeTupleTable.getTupleLen(), anyGraph);
    Tuple<NodeId> patternTupleId = TupleLib.tupleNodeIds(nodeTable, patternTuple);
    if (patternTupleId.contains(NodeId.NodeDoesNotExist))
        // Can not match.
        return Iter.nullIterator();
    // -- DRY/StageMatchTuple ??
    Iterator<Tuple<NodeId>> iterMatches = nodeTupleTable.find(patternTupleId);
    // Add filter
    if (filter != null)
        iterMatches = Iter.filter(iterMatches, filter);
    // Add anyGraph
    if (anyGraph) {
        // See StageMatchTuple for discussion.
        iterMatches = Iter.map(iterMatches, quadsToAnyTriples);
        iterMatches = Iter.distinctAdjacent(iterMatches);
    }
    // -- DRY/StageMatchTuple
    // Iterator<Quad> qIter = TupleLib.convertToQuads(nodeTable, iterMatches) ;
    Iterator<Quad> qIter = Iter.map(iterMatches, asQuad);
    return qIter;
}

Example 27 with NodeTable

use of org.apache.jena.tdb.store.nodetable.NodeTable 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.getStoragePrefixes();
        NodeTupleTable pntt = prefixes.getNodeTupleTable();
        if (!dumpedNodeTables.contains(pntt.getNodeTable())) {
            dumpNodeTable(pntt.getNodeTable(), dumpedNodeTables);
            dumpedNodeTables.add(pntt.getNodeTable());
        }
        dumpTupleIndexes(prefixes.getNodeTupleTable().getTupleTable().getIndexes());
    }
}