Examples with DelegatingTokenHolder org.neo4j.token.DelegatingTokenHolder used on opensource projects

Example 1 with DelegatingTokenHolder

use of org.neo4j.token.DelegatingTokenHolder in project neo4j by neo4j.

the class NeoStoresTest method setUpNeoStores.

@BeforeEach
void setUpNeoStores() {
    Config config = Config.defaults();
    StoreFactory sf = getStoreFactory(config, databaseLayout, fs, NullLogProvider.getInstance());
    sf.openAllNeoStores(true).close();
    propertyKeyTokenHolder = new DelegatingTokenHolder(this::createPropertyKeyToken, TokenHolder.TYPE_PROPERTY_KEY);
}

Example 2 with DelegatingTokenHolder

use of org.neo4j.token.DelegatingTokenHolder in project neo4j by neo4j.

the class BatchingNeoStoresTest method someDataInTheDatabase.

private void someDataInTheDatabase(Config config) throws Exception {
    NullLog nullLog = NullLog.getInstance();
    try (JobScheduler scheduler = JobSchedulerFactory.createInitialisedScheduler();
        PageCache pageCache = new ConfiguringPageCacheFactory(fileSystem, Config.defaults(), PageCacheTracer.NULL, nullLog, scheduler, Clocks.nanoClock(), new MemoryPools()).getOrCreatePageCache();
        Lifespan life = new Lifespan()) {
        // TODO this little dance with TokenHolders is really annoying and must be solved with a better abstraction
        DeferredInitializedTokenCreator propertyKeyTokenCreator = new DeferredInitializedTokenCreator() {

            @Override
            void create(String name, boolean internal, int id) {
                txState.propertyKeyDoCreateForName(name, internal, id);
            }
        };
        DeferredInitializedTokenCreator labelTokenCreator = new DeferredInitializedTokenCreator() {

            @Override
            void create(String name, boolean internal, int id) {
                txState.labelDoCreateForName(name, internal, id);
            }
        };
        DeferredInitializedTokenCreator relationshipTypeTokenCreator = new DeferredInitializedTokenCreator() {

            @Override
            void create(String name, boolean internal, int id) {
                txState.relationshipTypeDoCreateForName(name, internal, id);
            }
        };
        TokenHolders tokenHolders = new TokenHolders(new DelegatingTokenHolder(propertyKeyTokenCreator, TokenHolder.TYPE_PROPERTY_KEY), new DelegatingTokenHolder(labelTokenCreator, TokenHolder.TYPE_LABEL), new DelegatingTokenHolder(relationshipTypeTokenCreator, TokenHolder.TYPE_RELATIONSHIP_TYPE));
        IndexConfigCompleter indexConfigCompleter = index -> index;
        RecoveryCleanupWorkCollector recoveryCleanupWorkCollector = immediate();
        RecordStorageEngine storageEngine = life.add(new RecordStorageEngine(databaseLayout, Config.defaults(), pageCache, fileSystem, NullLogProvider.getInstance(), tokenHolders, new DatabaseSchemaState(NullLogProvider.getInstance()), new StandardConstraintSemantics(), indexConfigCompleter, LockService.NO_LOCK_SERVICE, new DatabaseHealth(PanicEventGenerator.NO_OP, nullLog), new DefaultIdGeneratorFactory(fileSystem, immediate(), DEFAULT_DATABASE_NAME), new DefaultIdController(), recoveryCleanupWorkCollector, PageCacheTracer.NULL, true, INSTANCE, writable(), CommandLockVerification.Factory.IGNORE, LockVerificationMonitor.Factory.IGNORE));
        // Create the relationship type token
        TxState txState = new TxState();
        NeoStores neoStores = storageEngine.testAccessNeoStores();
        CommandCreationContext commandCreationContext = storageEngine.newCommandCreationContext(INSTANCE);
        commandCreationContext.initialize(NULL);
        propertyKeyTokenCreator.initialize(neoStores.getPropertyKeyTokenStore(), txState);
        labelTokenCreator.initialize(neoStores.getLabelTokenStore(), txState);
        relationshipTypeTokenCreator.initialize(neoStores.getRelationshipTypeTokenStore(), txState);
        int relTypeId = tokenHolders.relationshipTypeTokens().getOrCreateId(RELTYPE.name());
        apply(txState, commandCreationContext, storageEngine);
        // Finally, we're initialized and ready to create two nodes and a relationship
        txState = new TxState();
        long node1 = commandCreationContext.reserveNode();
        long node2 = commandCreationContext.reserveNode();
        txState.nodeDoCreate(node1);
        txState.nodeDoCreate(node2);
        txState.relationshipDoCreate(commandCreationContext.reserveRelationship(), relTypeId, node1, node2);
        apply(txState, commandCreationContext, storageEngine);
        neoStores.flush(NULL);
    }
}

Example 3 with DelegatingTokenHolder

use of org.neo4j.token.DelegatingTokenHolder in project neo4j by neo4j.

the class RecordLoadingTest method shouldReturnsFalseOnMissingToken.

@Test
void shouldReturnsFalseOnMissingToken() {
    // given
    NodeRecord entity = new NodeRecord(0);
    TokenHolder tokenHolder = new DelegatingTokenHolder(new ReadOnlyTokenCreator(), "Test");
    TokenStore<PropertyKeyTokenRecord> store = mock(TokenStore.class);
    BiConsumer noopReporter = mock(BiConsumer.class);
    // when
    boolean valid = RecordLoading.checkValidToken(entity, 0, tokenHolder, store, noopReporter, noopReporter, CursorContext.NULL);
    // then
    assertFalse(valid);
}

Example 4 with DelegatingTokenHolder

use of org.neo4j.token.DelegatingTokenHolder in project neo4j by neo4j.

the class RecordStorageEngineFactory method tokenHoldersForSchemaStore.

private static TokenHolders tokenHoldersForSchemaStore(NeoStores stores, TokenCreator propertyKeyTokenCreator, CursorContext cursorContext) {
    TokenHolder propertyKeyTokens = new DelegatingTokenHolder(propertyKeyTokenCreator, TokenHolder.TYPE_PROPERTY_KEY);
    TokenHolders dstTokenHolders = new TokenHolders(propertyKeyTokens, StoreTokens.createReadOnlyTokenHolder(TokenHolder.TYPE_LABEL), StoreTokens.createReadOnlyTokenHolder(TokenHolder.TYPE_RELATIONSHIP_TYPE));
    dstTokenHolders.propertyKeyTokens().setInitialTokens(stores.getPropertyKeyTokenStore().getTokens(cursorContext));
    return dstTokenHolders;
}

Example 5 with DelegatingTokenHolder

use of org.neo4j.token.DelegatingTokenHolder in project neo4j by neo4j.

the class Recovery method performRecovery.

/**
 * Performs recovery of database described by provided layout.
 *
 * @param fs database filesystem
 * @param pageCache page cache used to perform database recovery.
 * @param tracers underlying operation tracers
 * @param config custom configuration
 * @param databaseLayout database to recover layout.
 * @param storageEngineFactory {@link StorageEngineFactory} for the storage to recover.
 * @param logProvider log provider
 * @param globalMonitors global server monitors
 * @param extensionFactories extension factories for extensions that should participate in recovery
 * @param providedLogFiles log files from database
 * @param forceRunRecovery to force recovery to run even if the usual checks indicates that it's not required.
 * In specific cases, like after store copy there's always a need for doing a recovery or at least to start the db, checkpoint and shut down,
 * even if the normal "is recovery required" checks says that recovery isn't required.
 * @throws IOException on any unexpected I/O exception encountered during recovery.
 */
public static void performRecovery(FileSystemAbstraction fs, PageCache pageCache, DatabaseTracers tracers, Config config, DatabaseLayout databaseLayout, StorageEngineFactory storageEngineFactory, boolean forceRunRecovery, LogProvider logProvider, Monitors globalMonitors, Iterable<ExtensionFactory<?>> extensionFactories, Optional<LogFiles> providedLogFiles, RecoveryStartupChecker startupChecker, MemoryTracker memoryTracker, Clock clock) throws IOException {
    Log recoveryLog = logProvider.getLog(Recovery.class);
    if (!forceRunRecovery && !isRecoveryRequired(fs, pageCache, databaseLayout, storageEngineFactory, config, providedLogFiles, memoryTracker)) {
        return;
    }
    checkAllFilesPresence(databaseLayout, fs, pageCache, storageEngineFactory);
    LifeSupport recoveryLife = new LifeSupport();
    Monitors monitors = new Monitors(globalMonitors, logProvider);
    DatabasePageCache databasePageCache = new DatabasePageCache(pageCache, IOController.DISABLED);
    SimpleLogService logService = new SimpleLogService(logProvider);
    VersionAwareLogEntryReader logEntryReader = new VersionAwareLogEntryReader(storageEngineFactory.commandReaderFactory());
    DatabaseReadOnlyChecker readOnlyChecker = writable();
    DatabaseSchemaState schemaState = new DatabaseSchemaState(logProvider);
    JobScheduler scheduler = JobSchedulerFactory.createInitialisedScheduler();
    VersionContextSupplier versionContextSupplier = EmptyVersionContextSupplier.EMPTY;
    DatabaseHealth databaseHealth = new DatabaseHealth(PanicEventGenerator.NO_OP, recoveryLog);
    TokenHolders tokenHolders = new TokenHolders(new DelegatingTokenHolder(new ReadOnlyTokenCreator(), TYPE_PROPERTY_KEY), new DelegatingTokenHolder(new ReadOnlyTokenCreator(), TYPE_LABEL), new DelegatingTokenHolder(new ReadOnlyTokenCreator(), TYPE_RELATIONSHIP_TYPE));
    RecoveryCleanupWorkCollector recoveryCleanupCollector = new GroupingRecoveryCleanupWorkCollector(scheduler, INDEX_CLEANUP, INDEX_CLEANUP_WORK, databaseLayout.getDatabaseName());
    DatabaseExtensions extensions = instantiateRecoveryExtensions(databaseLayout, fs, config, logService, databasePageCache, scheduler, DbmsInfo.TOOL, monitors, tokenHolders, recoveryCleanupCollector, readOnlyChecker, extensionFactories, tracers.getPageCacheTracer());
    DefaultIndexProviderMap indexProviderMap = new DefaultIndexProviderMap(extensions, config);
    StorageEngine storageEngine = storageEngineFactory.instantiate(fs, databaseLayout, config, databasePageCache, tokenHolders, schemaState, getConstraintSemantics(), indexProviderMap, NO_LOCK_SERVICE, new DefaultIdGeneratorFactory(fs, recoveryCleanupCollector, databaseLayout.getDatabaseName()), new DefaultIdController(), databaseHealth, logService.getInternalLogProvider(), recoveryCleanupCollector, tracers.getPageCacheTracer(), true, readOnlyChecker, memoryTracker);
    // Schema indexes
    FullScanStoreView fullScanStoreView = new FullScanStoreView(NO_LOCK_SERVICE, storageEngine::newReader, config, scheduler);
    IndexStoreViewFactory indexStoreViewFactory = new IndexStoreViewFactory(config, storageEngine::newReader, NO_LOCKS, fullScanStoreView, NO_LOCK_SERVICE, logProvider);
    IndexStatisticsStore indexStatisticsStore = new IndexStatisticsStore(databasePageCache, databaseLayout, recoveryCleanupCollector, readOnlyChecker, tracers.getPageCacheTracer());
    IndexingService indexingService = Database.buildIndexingService(storageEngine, schemaState, indexStoreViewFactory, indexStatisticsStore, config, scheduler, indexProviderMap, tokenHolders, logProvider, logProvider, monitors.newMonitor(IndexingService.Monitor.class), tracers.getPageCacheTracer(), memoryTracker, databaseLayout.getDatabaseName(), readOnlyChecker);
    MetadataProvider metadataProvider = storageEngine.metadataProvider();
    Dependencies dependencies = new Dependencies();
    dependencies.satisfyDependencies(databaseLayout, config, databasePageCache, fs, logProvider, tokenHolders, schemaState, getConstraintSemantics(), NO_LOCK_SERVICE, databaseHealth, new DefaultIdGeneratorFactory(fs, recoveryCleanupCollector, databaseLayout.getDatabaseName()), new DefaultIdController(), readOnlyChecker, versionContextSupplier, logService, metadataProvider);
    LogFiles logFiles = LogFilesBuilder.builder(databaseLayout, fs).withLogEntryReader(logEntryReader).withConfig(config).withDependencies(dependencies).withMemoryTracker(memoryTracker).build();
    boolean failOnCorruptedLogFiles = config.get(GraphDatabaseInternalSettings.fail_on_corrupted_log_files);
    validateStoreId(logFiles, storageEngine.getStoreId(), config);
    TransactionMetadataCache metadataCache = new TransactionMetadataCache();
    PhysicalLogicalTransactionStore transactionStore = new PhysicalLogicalTransactionStore(logFiles, metadataCache, logEntryReader, monitors, failOnCorruptedLogFiles);
    BatchingTransactionAppender transactionAppender = new BatchingTransactionAppender(logFiles, LogRotation.NO_ROTATION, metadataCache, metadataProvider, databaseHealth);
    LifeSupport schemaLife = new LifeSupport();
    schemaLife.add(storageEngine.schemaAndTokensLifecycle());
    schemaLife.add(indexingService);
    var doParallelRecovery = config.get(GraphDatabaseInternalSettings.do_parallel_recovery);
    TransactionLogsRecovery transactionLogsRecovery = transactionLogRecovery(fs, metadataProvider, monitors.newMonitor(RecoveryMonitor.class), monitors.newMonitor(RecoveryStartInformationProvider.Monitor.class), logFiles, storageEngine, transactionStore, metadataProvider, schemaLife, databaseLayout, failOnCorruptedLogFiles, recoveryLog, startupChecker, tracers.getPageCacheTracer(), memoryTracker, doParallelRecovery);
    CheckPointerImpl.ForceOperation forceOperation = new DefaultForceOperation(indexingService, storageEngine);
    var checkpointAppender = logFiles.getCheckpointFile().getCheckpointAppender();
    CheckPointerImpl checkPointer = new CheckPointerImpl(metadataProvider, RecoveryThreshold.INSTANCE, forceOperation, LogPruning.NO_PRUNING, checkpointAppender, databaseHealth, logProvider, tracers, IOController.DISABLED, new StoreCopyCheckPointMutex(), versionContextSupplier, clock);
    recoveryLife.add(scheduler);
    recoveryLife.add(recoveryCleanupCollector);
    recoveryLife.add(extensions);
    recoveryLife.add(indexProviderMap);
    recoveryLife.add(storageEngine);
    recoveryLife.add(new MissingTransactionLogsCheck(databaseLayout, config, fs, logFiles, recoveryLog));
    recoveryLife.add(logFiles);
    recoveryLife.add(transactionLogsRecovery);
    recoveryLife.add(transactionAppender);
    recoveryLife.add(checkPointer);
    try {
        recoveryLife.start();
        if (databaseHealth.isHealthy()) {
            checkPointer.forceCheckPoint(new SimpleTriggerInfo("Recovery completed."));
        }
    } finally {
        recoveryLife.shutdown();
    }
}