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

Example 36 with NodeTable

use of org.apache.jena.tdb2.store.nodetable.NodeTable in project jena by apache.

the class NodeTableOps method bulkNodeToNodeIdImpl.

/**
 * Convert a bulk operation into a loop
 */
public static List<NodeId> bulkNodeToNodeIdImpl(NodeTable nt, List<Node> nodes, boolean withAllocation) {
    List<NodeId> nodeIds = new ArrayList<>(nodes.size());
    for (Node node : nodes) {
        NodeId nid = withAllocation ? nt.getAllocateNodeId(node) : nt.getNodeIdForNode(node);
        nodeIds.add(nid);
    }
    return nodeIds;
}

Example 37 with NodeTable

use of org.apache.jena.tdb2.store.nodetable.NodeTable in project jena by apache.

the class TestQuadFilter method createFilter.

/**
 * Create a filter to exclude the graph http://example/g2
 */
private static Predicate<Tuple<NodeId>> createFilter(Dataset dataset) {
    return Txn.calculateRead(dataset, () -> {
        DatasetGraphTDB dsg = TDBInternal.getDatasetGraphTDB(dataset);
        final NodeTable nodeTable = dsg.getQuadTable().getNodeTupleTable().getNodeTable();
        final NodeId target = nodeTable.getNodeIdForNode(NodeFactory.createURI(graphToHide));
        // Check g slot. Exclude graphToHide
        return item -> !(item.len() == 4 && item.get(0).equals(target));
    });
}

Example 38 with NodeTable

use of org.apache.jena.tdb2.store.nodetable.NodeTable in project jena by apache.

the class NodeTableLib method printNodeTable.

/**
 * Print the main node table - development helper
 */
public static void printNodeTable(DatasetGraph dsg, long limit) {
    dsg.executeRead(() -> {
        DatasetGraphTDB dsgtdb = TDBInternal.getDatasetGraphTDB(dsg);
        NodeTable nodeTable = dsgtdb.getTripleTable().getNodeTupleTable().getNodeTable();
        int x = 0;
        for (var iter = nodeTable.all(); iter.hasNext(); ) {
            var pair = iter.next();
            x++;
            if (x > limit)
                return;
            NodeId nid = pair.getLeft();
            Node n = pair.getRight();
            System.out.printf("%s %s\n", nid, NodeFmtLib.strNT(n));
        }
        // long x = Iter.count(nodeTable.all());
        System.out.println("Node table length: " + x);
    });
}