Examples with NodeLabels org.neo4j.kernel.impl.store.NodeLabels used on opensource projects

Example 21 with NodeLabels

use of org.neo4j.kernel.impl.store.NodeLabels in project neo4j by neo4j.

the class NodeLabelsFieldTest method twoDynamicRecordsShouldShrinkToOneWhenRemoving.

@Test
public void twoDynamicRecordsShouldShrinkToOneWhenRemoving() throws Exception {
    // GIVEN
    // will occupy 61B of data, i.e. just two dynamic records
    NodeRecord node = nodeRecordWithDynamicLabels(nodeStore, oneByteLongs(57));
    Collection<DynamicRecord> initialRecords = node.getDynamicLabelRecords();
    NodeLabels nodeLabels = NodeLabelsField.parseLabelsField(node);
    // WHEN
    List<DynamicRecord> changedDynamicRecords = Iterables.addToCollection(nodeLabels.remove(255, /*Initial labels go from 255 and down to 255-58*/
    nodeStore), new ArrayList<DynamicRecord>());
    // THEN
    assertEquals(initialRecords, changedDynamicRecords);
    assertTrue(changedDynamicRecords.get(0).inUse());
    assertFalse(changedDynamicRecords.get(1).inUse());
}

Example 22 with NodeLabels

use of org.neo4j.kernel.impl.store.NodeLabels in project neo4j by neo4j.

the class NodeLabelsFieldTest method shouldReallocateAllOfPreviousDynamicRecordsAndThenSome.

@Test
public void shouldReallocateAllOfPreviousDynamicRecordsAndThenSome() throws Exception {
    // GIVEN
    NodeRecord node = nodeRecordWithDynamicLabels(nodeStore, fourByteLongs(100));
    Set<DynamicRecord> initialRecords = Iterables.asSet(cloned(node.getDynamicLabelRecords(), DynamicRecord.class));
    NodeLabels nodeLabels = NodeLabelsField.parseLabelsField(node);
    // WHEN
    Set<DynamicRecord> reallocatedRecords = Iterables.asUniqueSet(nodeLabels.put(fourByteLongs(5), nodeStore, nodeStore.getDynamicLabelStore()));
    // THEN
    assertTrue("initial:" + initialRecords + ", reallocated:" + reallocatedRecords, initialRecords.containsAll(used(reallocatedRecords)));
    assertTrue(used(reallocatedRecords).size() < initialRecords.size());
}

Example 23 with NodeLabels

use of org.neo4j.kernel.impl.store.NodeLabels in project neo4j by neo4j.

the class NodeLabelsFieldTest method removingNonExistentLabelInDynamicRecordsShouldFail.

@Test
public void removingNonExistentLabelInDynamicRecordsShouldFail() throws Exception {
    // GIVEN
    long[] labels = oneByteLongs(20);
    NodeRecord node = nodeRecordWithDynamicLabels(nodeStore, labels);
    NodeLabels nodeLabels = NodeLabelsField.parseLabelsField(node);
    // WHEN
    try {
        nodeLabels.remove(123456, nodeStore);
        fail("Should have thrown exception");
    } catch (IllegalStateException e) {
    // THEN
    }
}

Example 24 with NodeLabels

use of org.neo4j.kernel.impl.store.NodeLabels in project neo4j by neo4j.

the class NodeLabelsFieldTest method shouldInlineFourSmallLabels.

@Test
public void shouldInlineFourSmallLabels() throws Exception {
    // GIVEN
    long labelId1 = 10, labelId2 = 30, labelId3 = 45, labelId4 = 60;
    NodeRecord node = nodeRecordWithInlinedLabels(labelId1, labelId2, labelId3);
    NodeLabels nodeLabels = NodeLabelsField.parseLabelsField(node);
    // WHEN
    nodeLabels.add(labelId4, null, null);
    // THEN
    assertEquals(inlinedLabelsLongRepresentation(labelId1, labelId2, labelId3, labelId4), node.getLabelField());
}

Example 25 with NodeLabels

use of org.neo4j.kernel.impl.store.NodeLabels in project neo4j by neo4j.

the class BatchInsertTest method shouldSortLabelIdsWhenGetOrCreate.

@Test
public void shouldSortLabelIdsWhenGetOrCreate() throws Exception {
    // GIVEN
    BatchInserter inserter = globalInserter;
    // WHEN
    long nodeId = inserter.createNode(map("Item", 123456789123L), label("AA"), label("BB"), label("CC"), label("DD"));
    inserter.setNodeLabels(nodeId, label("CC"), label("AA"), label("DD"), label("EE"), label("FF"));
    // THEN
    NodeStore nodeStore = getFlushedNeoStores(inserter).getNodeStore();
    NodeRecord node = nodeStore.getRecord(nodeId, nodeStore.newRecord(), RecordLoad.NORMAL);
    NodeLabels labels = NodeLabelsField.parseLabelsField(node);
    long[] labelIds = labels.get(nodeStore);
    long[] sortedLabelIds = labelIds.clone();
    Arrays.sort(sortedLabelIds);
    assertArrayEquals(sortedLabelIds, labelIds);
}