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

Example 16 with NodeId

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

the class tdbstats method stats.

public static StatsResults stats(DatasetGraphTDB dsg, Node gn) {
    NodeTable nt = dsg.getTripleTable().getNodeTupleTable().getNodeTable();
    StatsCollectorNodeId stats = new StatsCollectorNodeId(nt);
    if (gn == null) {
        Iterator<Tuple<NodeId>> iter = dsg.getTripleTable().getNodeTupleTable().findAll();
        for (; iter.hasNext(); ) {
            Tuple<NodeId> t = iter.next();
            stats.record(null, t.get(0), t.get(1), t.get(2));
        }
    } else {
        // If the union graph, then we need to scan all quads but with uniqueness.
        boolean unionGraph = Quad.isUnionGraph(gn);
        NodeId gnid = null;
        if (!unionGraph) {
            gnid = nt.getNodeIdForNode(gn);
            if (NodeId.isDoesNotExist(gnid))
                Log.warn(tdbstats.class, "No such graph: " + gn);
        }
        NodeTupleTable ntt = dsg.getQuadTable().getNodeTupleTable();
        Iterator<Tuple<NodeId>> iter = unionGraph ? SolverLib.unionGraph(ntt) : ntt.find(gnid, null, null, null);
        for (; iter.hasNext(); ) {
            Tuple<NodeId> t = iter.next();
            stats.record(t.get(0), t.get(1), t.get(2), t.get(3));
        }
    }
    return stats.results();
}

Example 17 with NodeId

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

the class tdbnode method exec.

@Override
protected void exec() {
    DatasetGraphTDB dsg = getDatasetGraphTDB();
    NodeTable nodeTable = dsg.getTripleTable().getNodeTupleTable().getNodeTable();
    Iterator<String> iter = super.getPositional().iterator();
    if (!iter.hasNext()) {
        System.err.println("No node ids");
        return;
    }
    for (; iter.hasNext(); ) {
        String id = iter.next();
        try {
            long x = Long.parseLong(id);
            NodeId nodeId = new NodeId(x);
            Node n = nodeTable.getNodeForNodeId(nodeId);
            //System.out.printf("%s [%d] => %s\n", id, x, n) ;
            Hash h = new Hash(SystemTDB.LenNodeHash);
            NodeLib.setHash(h, n);
            String str = Bytes.asHex(h.getBytes());
            System.out.printf("%s %08d 0x%s # %s\n", id, x, str, n);
        } catch (Exception ex) {
            System.out.println("Failed to decode: " + id);
        }
    }
}

Example 18 with NodeId

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

the class TestNodeId method nodeId_02.

@Test
public void nodeId_02() {
    NodeId nodeId = NodeId.create(-1L);
    assertEquals(-1L, nodeId.getId());
}

Example 19 with NodeId

use of org.apache.jena.tdb.store.NodeId 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 ds) {
    DatasetGraphTDB dsg = (DatasetGraphTDB) (ds.asDatasetGraph());
    final NodeTable nodeTable = dsg.getQuadTable().getNodeTupleTable().getNodeTable();
    final NodeId target = nodeTable.getNodeIdForNode(NodeFactory.createURI(graphToHide));
    return item -> !(item.len() == 4 && item.get(0).equals(target));
}

Example 20 with NodeId

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

the class AbstractTestNodeTable method writeNode.

protected static void writeNode(NodeTable nt, Node n) {
    NodeId nodeId = nt.getAllocateNodeId(n);
    assertNotNull(nodeId);
    assertNotEquals(NodeId.NodeDoesNotExist, nodeId);
    assertNotEquals(NodeId.NodeIdAny, nodeId);
    Node n2 = nt.getNodeForNodeId(nodeId);
    assertEquals(n, n2);
    NodeId nodeId2 = nt.getNodeIdForNode(n);
    assertEquals(nodeId, nodeId2);
}