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

Example 21 with RecordFormats

use of org.neo4j.kernel.impl.store.format.RecordFormats in project neo4j by neo4j.

the class TokenStoreTestTemplate method setUp.

@BeforeEach
void setUp() throws IOException {
    Path file = dir.file("label-tokens.db");
    Path idFile = dir.file("label-tokens.db.id");
    Path namesFile = dir.file("label-tokens.db.names");
    Path namesIdFile = dir.file("label-tokens.db.names.id");
    IdGeneratorFactory generatorFactory = new DefaultIdGeneratorFactory(fs, immediate(), DEFAULT_DATABASE_NAME);
    LogProvider logProvider = NullLogProvider.getInstance();
    RecordFormats formats = RecordFormatSelector.defaultFormat();
    Config config = Config.defaults();
    nameStore = new DynamicStringStore(namesFile, namesIdFile, config, IdType.LABEL_TOKEN_NAME, generatorFactory, pageCache, logProvider, TokenStore.NAME_STORE_BLOCK_SIZE, formats.dynamic(), formats.storeVersion(), writable(), DEFAULT_DATABASE_NAME, immutable.empty());
    store = instantiateStore(file, idFile, generatorFactory, pageCache, logProvider, nameStore, formats, config);
    nameStore.initialise(true, NULL);
    store.initialise(true, NULL);
    nameStore.start(NULL);
    store.start(NULL);
}

Example 22 with RecordFormats

use of org.neo4j.kernel.impl.store.format.RecordFormats in project neo4j by neo4j.

the class IdGeneratorMigrator method migrate.

@Override
public void migrate(DatabaseLayout directoryLayout, DatabaseLayout migrationLayout, ProgressReporter progress, String versionToMigrateFrom, String versionToMigrateTo, IndexImporterFactory indexImporterFactory) throws IOException {
    RecordFormats oldFormat = selectForVersion(versionToMigrateFrom);
    RecordFormats newFormat = selectForVersion(versionToMigrateTo);
    if (requiresIdFilesMigration(oldFormat, newFormat)) {
        try (var cursorContext = new CursorContext(cacheTracer.createPageCursorTracer(ID_GENERATOR_MIGRATION_TAG))) {
            migrateIdFiles(directoryLayout, migrationLayout, oldFormat, newFormat, progress, cursorContext);
        }
    }
}

Example 23 with RecordFormats

use of org.neo4j.kernel.impl.store.format.RecordFormats in project neo4j by neo4j.

the class RecordStoreVersionCheck method checkUpgrade.

@Override
public Result checkUpgrade(String desiredVersion, CursorContext cursorContext) {
    String version;
    try {
        version = readVersion(cursorContext);
    } catch (IllegalStateException e) {
        // somehow a corrupt neostore file
        return new Result(Outcome.storeVersionNotFound, null, metaDataFile.getFileName().toString());
    } catch (IOException e) {
        // since we cannot read let's assume the file is not there
        return new Result(Outcome.missingStoreFile, null, metaDataFile.getFileName().toString());
    }
    if (desiredVersion.equals(version)) {
        return new Result(Outcome.ok, version, metaDataFile.getFileName().toString());
    } else {
        RecordFormats fromFormat;
        try {
            RecordFormats toFormat = RecordFormatSelector.selectForVersion(desiredVersion);
            fromFormat = RecordFormatSelector.selectForVersion(version);
            // of the config setting to change since downgrades aren't possible but the store can still be opened.
            if (fromFormat.getFormatFamily().isHigherThan(toFormat.getFormatFamily())) {
                return new Result(Outcome.unexpectedUpgradingVersion, version, metaDataFile.toAbsolutePath().toString());
            }
            if (fromFormat.getFormatFamily() == toFormat.getFormatFamily() && fromFormat.generation() > toFormat.generation()) {
                // Tried to downgrade, that isn't supported
                return new Result(Outcome.attemptedStoreDowngrade, fromFormat.storeVersion(), metaDataFile.toAbsolutePath().toString());
            } else {
                return new Result(Outcome.ok, version, metaDataFile.toAbsolutePath().toString());
            }
        } catch (IllegalArgumentException e) {
            return new Result(Outcome.unexpectedStoreVersion, version, metaDataFile.toAbsolutePath().toString());
        }
    }
}

Example 24 with RecordFormats

use of org.neo4j.kernel.impl.store.format.RecordFormats in project neo4j by neo4j.

the class RecordStorageEngineFactory method transactionMetaDataStore.

@Override
public MetadataProvider transactionMetaDataStore(FileSystemAbstraction fs, DatabaseLayout databaseLayout, Config config, PageCache pageCache, PageCacheTracer cacheTracer) {
    RecordFormats recordFormats = selectForStoreOrConfig(Config.defaults(), databaseLayout, fs, pageCache, NullLogProvider.getInstance(), cacheTracer);
    var readOnlyChecker = new DatabaseReadOnlyChecker.Default(new DbmsReadOnlyChecker.Default(config), databaseLayout.getDatabaseName());
    var idGeneratorFactory = readOnlyChecker.isReadOnly() ? new ScanOnOpenReadOnlyIdGeneratorFactory() : new DefaultIdGeneratorFactory(fs, immediate(), databaseLayout.getDatabaseName());
    return new StoreFactory(databaseLayout, config, idGeneratorFactory, pageCache, fs, recordFormats, NullLogProvider.getInstance(), cacheTracer, readOnlyChecker, immutable.empty()).openNeoStores(META_DATA).getMetaDataStore();
}

Example 25 with RecordFormats

use of org.neo4j.kernel.impl.store.format.RecordFormats in project neo4j by neo4j.

the class RecordStorageEngineFactory method schemaRuleMigrationAccess.

@Override
public SchemaRuleMigrationAccess schemaRuleMigrationAccess(FileSystemAbstraction fs, PageCache pageCache, Config config, DatabaseLayout databaseLayout, LogService logService, String recordFormats, PageCacheTracer cacheTracer, CursorContext cursorContext, MemoryTracker memoryTracker) {
    RecordFormats formats = selectForVersion(recordFormats);
    StoreFactory factory = new StoreFactory(databaseLayout, config, new DefaultIdGeneratorFactory(fs, immediate(), databaseLayout.getDatabaseName()), pageCache, fs, formats, logService.getInternalLogProvider(), cacheTracer, writable(), immutable.empty());
    NeoStores stores = factory.openNeoStores(true, StoreType.SCHEMA, StoreType.PROPERTY_KEY_TOKEN, StoreType.PROPERTY);
    try {
        stores.start(cursorContext);
    } catch (IOException e) {
        throw new UncheckedIOException(e);
    }
    return createMigrationTargetSchemaRuleAccess(stores, cursorContext, memoryTracker);
}