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

Example 16 with NodeId

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

the class SolverLibTDB method testForGraphName.

/**
 * Find whether a specific graph name is in the quads table.
 */
static QueryIterator testForGraphName(DatasetGraphTDB ds, Node graphNode, QueryIterator input, Predicate<Tuple<NodeId>> filter, ExecutionContext execCxt) {
    NodeId nid = TDBInternal.getNodeId(ds, graphNode);
    boolean exists = !NodeId.isDoesNotExist(nid);
    if (exists) {
        // Node exists but is it used in the quad position?
        NodeTupleTable ntt = ds.getQuadTable().getNodeTupleTable();
        // Don't worry about abortable - this iterator should be fast
        // (with normal indexing - at least one G???).
        // Either it finds a starting point, or it doesn't.  We are only
        // interested in the first .hasNext.
        Iterator<Tuple<NodeId>> iter1 = ntt.find(nid, NodeId.NodeIdAny, NodeId.NodeIdAny, NodeId.NodeIdAny);
        if (filter != null)
            iter1 = Iter.filter(iter1, filter);
        exists = iter1.hasNext();
    }
    if (exists)
        return input;
    else {
        input.close();
        return QueryIterNullIterator.create(execCxt);
    }
}

Example 17 with NodeId

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

the class BindingNodeId method toString.

@Override
public String toString() {
    StringBuilder sb = new StringBuilder();
    boolean first = true;
    for (Var v : this) {
        if (!first)
            sb.append(" ");
        first = false;
        NodeId x = get(v);
        if (!NodeId.isDoesNotExist(x)) {
            sb.append(v);
            sb.append(" = ");
            sb.append(x);
        }
    }
    if (getParentBinding() != null) {
        sb.append(" ->> ");
        sb.append(getParentBinding());
    }
    return sb.toString();
}

Example 18 with NodeId

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

the class BindingNodeId method putAll.

public void putAll(BindingNodeId other) {
    Iterator<Var> vIter = other.iterator();
    for (; vIter.hasNext(); ) {
        Var v = vIter.next();
        if (v == null)
            throw new IllegalArgumentException("Null key");
        NodeId n = other.get(v);
        if (n == null)
            throw new IllegalArgumentException("(" + v + "," + n + ")");
        super.put(v, n);
    }
}

Example 19 with NodeId

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

the class PhasedOps method replay.

/**
 * Return (Number, Time in ms)
 */
static ReplayResult replay(TupleIndex srcIdx, Destination<Tuple<NodeId>> dest, MonitorOutput output) {
    ProgressMonitor monitor = ProgressMonitorFactory.progressMonitor("Index", output, LoaderMain.IndexTickPoint, LoaderMain.IndexSuperTick);
    List<Tuple<NodeId>> block = null;
    int len = srcIdx.getTupleLength();
    monitor.start();
    Iterator<Tuple<NodeId>> iter = srcIdx.all();
    while (iter.hasNext()) {
        if (block == null)
            block = new ArrayList<>(LoaderConst.ChunkSize);
        Tuple<NodeId> row = iter.next();
        block.add(row);
        monitor.tick();
        if (block.size() == LoaderConst.ChunkSize) {
            dest.deliver(block);
            block = null;
        }
    }
    if (block != null)
        dest.deliver(block);
    dest.deliver(Collections.emptyList());
    monitor.finish();
    // monitor.finishMessage("Tuples["+len+"]");
    return new ReplayResult(monitor.getTicks(), monitor.getTime());
}

Example 20 with NodeId

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

the class LoaderMain method executeData.

/**
 * Create data ingestion and primary index building of a {@link LoaderPlan}.
 * In phase 1, separate threads for parsing, node table loading and primary index building,
 *
 * Used by {@link InputStage#MULTI}.
 */
private static StreamRDFCounting executeData(LoaderPlan loaderPlan, DatasetGraphTDB dsgtdb, Map<String, TupleIndex> indexMap, List<BulkStartFinish> dataProcess, MonitorOutput output) {
    StoragePrefixesTDB dps = (StoragePrefixesTDB) dsgtdb.getStoragePrefixes();
    PrefixHandlerBulk prefixHandler = new PrefixHandlerBulk(dps, output);
    dataProcess.add(prefixHandler);
    // -- Phase 2 block. Indexer and Destination (blocks of Tuple<NodeId>)
    TupleIndex[] idx3 = PhasedOps.indexSetFromNames(loaderPlan.primaryLoad3(), indexMap);
    Indexer indexer3 = new Indexer(output, idx3);
    TupleIndex[] idx4 = PhasedOps.indexSetFromNames(loaderPlan.primaryLoad4(), indexMap);
    Indexer indexer4 = new Indexer(output, idx4);
    dataProcess.add(indexer3);
    dataProcess.add(indexer4);
    Destination<Tuple<NodeId>> functionIndexer3 = indexer3.index();
    Destination<Tuple<NodeId>> functionIndexer4 = indexer4.index();
    // -- Phase 2 block.
    // -- Phase 1.
    // This is the other way round to AsyncParser.
    // Here, we return a StreamRDF to pump data into and the rest of the
    // processing is on other threads. AsyncParser has the processing on the caller thread
    // and so the current thread continues when the processing from the parser is finished.
    DataToTuples dtt = new DataToTuples(dsgtdb, functionIndexer3, functionIndexer4, output);
    DataBatcher dataBatcher = new DataBatcher(dtt.data(), prefixHandler.handler(), output);
    dataProcess.add(dtt);
    dataProcess.add(dataBatcher);
    return dataBatcher;
}