Examples with ValueIndexReader org.neo4j.kernel.api.index.ValueIndexReader used on opensource projects

Example 6 with ValueIndexReader

use of org.neo4j.kernel.api.index.ValueIndexReader in project neo4j by neo4j.

the class DeferredConflictCheckingIndexUpdaterTest method shouldThrowOnIndexEntryConflict.

@Test
void shouldThrowOnIndexEntryConflict() throws Exception {
    // given
    IndexUpdater actual = mock(IndexUpdater.class);
    ValueIndexReader reader = mock(ValueIndexReader.class);
    doAnswer(new NodeIdsIndexReaderQueryAnswer(descriptor, 101, 202)).when(reader).query(any(), any(), any(), any());
    DeferredConflictCheckingIndexUpdater updater = new DeferredConflictCheckingIndexUpdater(actual, () -> reader, descriptor, NULL);
    // when
    updater.process(add(0, descriptor, tuple(10, 11)));
    var e = assertThrows(IndexEntryConflictException.class, updater::close);
    assertThat(e.getMessage()).contains("101");
    assertThat(e.getMessage()).contains("202");
}

Example 7 with ValueIndexReader

use of org.neo4j.kernel.api.index.ValueIndexReader in project neo4j by neo4j.

the class LuceneIndexProvider method getMinimalIndexAccessor.

@Override
public MinimalIndexAccessor getMinimalIndexAccessor(IndexDescriptor descriptor) {
    PartitionedIndexStorage indexStorage = indexStorageFactory.indexStorageOf(descriptor.getId());
    DroppableIndex<ValueIndexReader> index = new DroppableIndex<>(new DroppableLuceneIndex<>(indexStorage, new ReadOnlyIndexPartitionFactory(), descriptor));
    return new LuceneMinimalIndexAccessor<>(descriptor, index, true);
}