Examples with StorageEngineFactory org.neo4j.storageengine.api.StorageEngineFactory used on opensource projects

Example 21 with StorageEngineFactory

use of org.neo4j.storageengine.api.StorageEngineFactory in project neo4j by neo4j.

the class LogFilesBuilder method readOnlyTransactionIdStore.

private TransactionIdStore readOnlyTransactionIdStore() throws IOException {
    StorageEngineFactory storageEngineFactory = StorageEngineFactory.defaultStorageEngine();
    var pageCacheTracer = databaseTracers.getPageCacheTracer();
    try (var cursorContext = new CursorContext(pageCacheTracer.createPageCursorTracer(READ_ONLY_TRANSACTION_STORE_READER_TAG))) {
        return storageEngineFactory.readOnlyTransactionIdStore(fileSystem, databaseLayout, pageCache, cursorContext);
    }
}

Example 22 with StorageEngineFactory

use of org.neo4j.storageengine.api.StorageEngineFactory in project neo4j by neo4j.

the class TransactionLogsInSeparateLocationIT method databaseWithTransactionLogsInSeparateAbsoluteLocation.

@Test
void databaseWithTransactionLogsInSeparateAbsoluteLocation() throws IOException {
    Path txDirectory = testDirectory.directory("transaction-logs");
    Config config = Config.newBuilder().set(neo4j_home, testDirectory.homePath()).set(transaction_logs_root_path, txDirectory.toAbsolutePath()).build();
    DatabaseLayout layout = DatabaseLayout.of(config);
    StorageEngineFactory storageEngineFactory = performTransactions(txDirectory.toAbsolutePath(), layout.databaseDirectory());
    verifyTransactionLogs(layout.getTransactionLogsDirectory(), layout.databaseDirectory(), storageEngineFactory);
}

Example 23 with StorageEngineFactory

use of org.neo4j.storageengine.api.StorageEngineFactory in project neo4j by neo4j.

the class TransactionLogsInSeparateLocationIT method performTransactions.

private static StorageEngineFactory performTransactions(Path txPath, Path storeDir) {
    DatabaseManagementService managementService = new TestDatabaseManagementServiceBuilder(storeDir).setConfig(transaction_logs_root_path, txPath).build();
    GraphDatabaseService database = managementService.database(DEFAULT_DATABASE_NAME);
    for (int i = 0; i < 10; i++) {
        try (Transaction transaction = database.beginTx()) {
            Node node = transaction.createNode();
            node.setProperty("a", "b");
            node.setProperty("c", "d");
            transaction.commit();
        }
    }
    StorageEngineFactory storageEngineFactory = ((GraphDatabaseAPI) database).getDependencyResolver().resolveDependency(StorageEngineFactory.class);
    managementService.shutdown();
    return storageEngineFactory;
}

Example 24 with StorageEngineFactory

use of org.neo4j.storageengine.api.StorageEngineFactory in project neo4j by neo4j.

the class StoreInfoCommand method execute.

@Override
public void execute() {
    var storageEngineFactory = StorageEngineFactory.defaultStorageEngine();
    var config = CommandHelpers.buildConfig(ctx, allowCommandExpansion);
    var neo4jLayout = Neo4jLayout.of(config);
    try (var fs = ctx.fs();
        var jobScheduler = createInitialisedScheduler();
        var pageCache = StandalonePageCacheFactory.createPageCache(fs, jobScheduler, PageCacheTracer.NULL)) {
        validatePath(fs, all, path, neo4jLayout);
        if (all) {
            var collector = structured ? Collectors.joining(",", "[", "]") : Collectors.joining(System.lineSeparator() + System.lineSeparator());
            var result = Arrays.stream(fs.listFiles(path)).sorted(comparing(Path::getFileName)).map(dbPath -> neo4jLayout.databaseLayout(dbPath.getFileName().toString())).filter(dbLayout -> Validators.isExistingDatabase(fs, dbLayout)).map(dbLayout -> printInfo(fs, dbLayout, pageCache, storageEngineFactory, config, structured, true)).collect(collector);
            ctx.out().println(result);
        } else {
            var databaseLayout = neo4jLayout.databaseLayout(path.getFileName().toString());
            ctx.out().println(printInfo(fs, databaseLayout, pageCache, storageEngineFactory, config, structured, false));
        }
    } catch (CommandFailedException e) {
        throw e;
    } catch (Exception e) {
        throw new CommandFailedException(format("Failed to execute command: '%s'.", e.getMessage()), e);
    }
}