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

Example 1 with IndexProvider

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

the class ConstraintCreationIT method shouldNotLeaveLuceneIndexFilesHangingAroundIfConstraintCreationFails.

@Test
@DbmsExtension(configurationCallback = "configureLuceneSubProvider")
void shouldNotLeaveLuceneIndexFilesHangingAroundIfConstraintCreationFails() {
    // given
    attemptAndFailConstraintCreation();
    // then
    IndexProvider indexProvider = indexProviderMap.getDefaultProvider();
    Path indexDir = indexProvider.directoryStructure().directoryForIndex(indexId);
    assertFalse(Files.exists(indexDir));
}

Example 2 with IndexProvider

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

the class ConstraintCreationIT method shouldNotLeaveNativeIndexFilesHangingAroundIfConstraintCreationFails.

@Test
void shouldNotLeaveNativeIndexFilesHangingAroundIfConstraintCreationFails() {
    // given
    attemptAndFailConstraintCreation();
    // then
    IndexProvider indexProvider = indexProviderMap.getDefaultProvider();
    Path indexDir = indexProvider.directoryStructure().directoryForIndex(indexId);
    assertFalse(Files.exists(indexDir));
}

Example 3 with IndexProvider

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

the class IndexingService method init.

/**
 * Called while the database starts up, before recovery.
 */
@Override
public void init() throws IOException {
    validateDefaultProviderExisting();
    try (var cursorContext = new CursorContext(pageCacheTracer.createPageCursorTracer(INIT_TAG))) {
        indexMapRef.modify(indexMap -> {
            Map<InternalIndexState, List<IndexLogRecord>> indexStates = new EnumMap<>(InternalIndexState.class);
            for (IndexDescriptor descriptor : indexDescriptors) {
                // No index (except NLI) is allowed to have the name generated for NLI.
                if (descriptor.getName().equals(IndexDescriptor.NLI_GENERATED_NAME) && !(descriptor.schema().isAnyTokenSchemaDescriptor() && descriptor.schema().entityType() == NODE)) {
                    throw new IllegalStateException("Index '" + descriptor.userDescription(tokenNameLookup) + "' is using a reserved name: '" + IndexDescriptor.NLI_GENERATED_NAME + "'. This index must be removed on an earlier version " + "to be able to use binaries for version 4.3 or newer.");
                }
                IndexProxy indexProxy;
                IndexProviderDescriptor providerDescriptor = descriptor.getIndexProvider();
                IndexProvider provider = providerMap.lookup(providerDescriptor);
                InternalIndexState initialState = provider.getInitialState(descriptor, cursorContext);
                indexStates.computeIfAbsent(initialState, internalIndexState -> new ArrayList<>()).add(new IndexLogRecord(descriptor));
                internalLog.debug(indexStateInfo("init", initialState, descriptor));
                switch(initialState) {
                    case ONLINE:
                        monitor.initialState(databaseName, descriptor, ONLINE);
                        indexProxy = indexProxyCreator.createOnlineIndexProxy(descriptor);
                        break;
                    case POPULATING:
                        // The database was shut down during population, or a crash has occurred, or some other sad thing.
                        monitor.initialState(databaseName, descriptor, POPULATING);
                        indexProxy = indexProxyCreator.createRecoveringIndexProxy(descriptor);
                        break;
                    case FAILED:
                        monitor.initialState(databaseName, descriptor, FAILED);
                        IndexPopulationFailure failure = failure(provider.getPopulationFailure(descriptor, cursorContext));
                        indexProxy = indexProxyCreator.createFailedIndexProxy(descriptor, failure);
                        break;
                    default:
                        throw new IllegalArgumentException("" + initialState);
                }
                indexMap.putIndexProxy(indexProxy);
            }
            logIndexStateSummary("init", indexStates);
            return indexMap;
        });
    }
    indexStatisticsStore.init();
}

Example 4 with IndexProvider

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

the class FusionIndexProviderTest method setupMocks.

private void setupMocks() {
    IndexSlot[] aliveSlots = fusionVersion.aliveSlots();
    aliveProviders = new IndexProvider[aliveSlots.length];
    providers = new EnumMap<>(IndexSlot.class);
    fill(providers, IndexProvider.EMPTY);
    for (int i = 0; i < aliveSlots.length; i++) {
        switch(aliveSlots[i]) {
            case GENERIC:
                IndexProvider generic = mockProvider(GenericNativeIndexProvider.class, "generic");
                providers.put(GENERIC, generic);
                aliveProviders[i] = generic;
                break;
            case LUCENE:
                IndexProvider lucene = mockProvider(IndexProvider.class, "lucene");
                providers.put(LUCENE, lucene);
                aliveProviders[i] = lucene;
                break;
            default:
                throw new RuntimeException();
        }
    }
    fusionIndexProvider = new FusionIndexProvider(providers.get(GENERIC), providers.get(LUCENE), fusionVersion.slotSelector(), DESCRIPTOR, NONE, mock(FileSystemAbstraction.class), false, writable());
    instanceSelector = new InstanceSelector<>(providers);
}

Example 5 with IndexProvider

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

the class FusionIndexProviderTest method mockProvider.

private static IndexProvider mockProvider(Class<? extends IndexProvider> providerClass, String name) {
    IndexProvider mock = mock(providerClass);
    when(mock.getProviderDescriptor()).thenReturn(new IndexProviderDescriptor(name, "1"));
    return mock;
}