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

Example 11 with TupleIndex

use of org.apache.jena.tdb.store.tupletable.TupleIndex in project jena by apache.

the class AbstractTestTupleIndex method TupleIndexRecordFindNot_1.

@Test
public void TupleIndexRecordFindNot_1() {
    TupleIndex index = createIndex("SPO");
    add(index, n1, n2, n3);
    Tuple<NodeId> tuple2 = TupleFactory.tuple(n4, n5, n6);
    Iterator<Tuple<NodeId>> iter = index.find(tuple2);
    assertNotNull(iter);
    assertFalse(iter.hasNext());
}

Example 12 with TupleIndex

use of org.apache.jena.tdb.store.tupletable.TupleIndex in project jena by apache.

the class AbstractTestTupleIndex method TupleIndexRecordPOS_3.

@Test
public void TupleIndexRecordPOS_3() {
    TupleIndex index = createIndex("POS");
    add(index, n1, n2, n3);
    Tuple<NodeId> tuple2 = TupleFactory.tuple(null, n2, n3);
    Iterator<Tuple<NodeId>> iter = index.find(tuple2);
    assertTrue("Can't find tuple", iter.hasNext());
    iter.next();
    assertFalse(iter.hasNext());
}

Example 13 with TupleIndex

use of org.apache.jena.tdb.store.tupletable.TupleIndex in project jena by apache.

the class AbstractTestTupleIndex method TupleIndexRecordPOS_1.

@Test
public void TupleIndexRecordPOS_1() {
    TupleIndex index = createIndex("POS");
    add(index, n1, n2, n3);
    Tuple<NodeId> tuple2 = TupleFactory.tuple(n1, n2, n3);
    Iterator<Tuple<NodeId>> iter = index.find(tuple2);
    assertTrue("Can't find tuple", iter.hasNext());
    iter.next();
    assertFalse(iter.hasNext());
}

Example 14 with TupleIndex

use of org.apache.jena.tdb.store.tupletable.TupleIndex in project jena by apache.

the class AbstractTestTupleIndex method TupleIndex_1.

@Test
public void TupleIndex_1() {
    TupleIndex index = createIndex("SPO");
    add(index, n1, n2, n3);
}

Example 15 with TupleIndex

use of org.apache.jena.tdb.store.tupletable.TupleIndex in project jena by apache.

the class dumpbpt method exec.

@Override
protected void exec() {
    List<String> tripleIndexes = Arrays.asList(Names.tripleIndexes);
    List<String> quadIndexes = Arrays.asList(Names.quadIndexes);
    Location loc = modLocation.getLocation();
    // The name is the order.
    for (String indexName : super.getPositional()) {
        String primary;
        if (indexName.length() == 3) {
            primary = Names.primaryIndexTriples;
        } else if (indexName.length() == 4) {
            primary = Names.primaryIndexQuads;
        } else {
            cmdError("Wrong length: " + indexName);
            primary = null;
        }
        int keySubLen = SystemTDB.SizeOfNodeId;
        int keyUnitLen = indexName.length();
        int keyLength = keySubLen * keyUnitLen;
        int valueLength = 0;
        RecordFactory rf = new RecordFactory(keyLength, valueLength);
        RangeIndex rIndex = IndexFactory.buildRangeIndex(loc, indexName, rf);
        BPlusTree bpt = (BPlusTree) rIndex;
        if (false) {
            System.out.println("---- Index structure");
            bpt.dump();
        }
        if (true) {
            System.out.println("---- Index contents");
            Iterator<Record> iter = bpt.iterator();
            if (!iter.hasNext())
                System.out.println("<<Empty>>");
            for (; iter.hasNext(); ) {
                Record r = iter.next();
                printRecord("", System.out, r, keyUnitLen);
            }
        }
        // Check.
        Iterator<Record> iterCheck = bpt.iterator();
        Record r1 = null;
        int i = 0;
        for (; iterCheck.hasNext(); ) {
            Record r2 = iterCheck.next();
            i++;
            if (r1 != null) {
                if (!Record.keyLT(r1, r2)) {
                    System.err.println("key error@ " + i);
                    printRecord("  ", System.err, r1, keyUnitLen);
                    printRecord("  ", System.err, r2, keyUnitLen);
                }
            }
            r1 = r2;
        }
        if (false) {
            // Dump in tuple order.
            TupleIndex tupleIndex = new TupleIndexRecord(primary.length(), new ColumnMap(primary, indexName), indexName, rIndex.getRecordFactory(), rIndex);
            if (true) {
                System.out.println("---- Tuple contents");
                Iterator<Tuple<NodeId>> iter2 = tupleIndex.all();
                if (!iter2.hasNext())
                    System.out.println("<<Empty>>");
                for (; iter2.hasNext(); ) {
                    Tuple<NodeId> row = iter2.next();
                    System.out.println(row);
                }
            }
        }
    }
}