Java Code Examples for org.hibernate.tool.hbm2ddl.SchemaExport#setOutputFile()

private void outputDdl(String packageName, String dialect, String fileName) {
    LocalSessionFactoryBean sfBean = sfBean(packageName, dialect);
    StandardServiceRegistry serviceRegistry = sfBean.getConfiguration().getStandardServiceRegistryBuilder().build();
    try {
        String outputFile = OutputRoot + fileName;
        Files.deleteIfExists(Paths.get(outputFile));
        Metadata metadata = metadata(serviceRegistry, sfBean.getMetadataSources());
        
        SchemaExport export = new SchemaExport();
        export.setDelimiter(";");
        export.setFormat(FormatSql);
        export.setOutputFile(outputFile);
        export.create(EnumSet.of(TargetType.SCRIPT, TargetType.STDOUT), metadata);
    } catch (Exception e) {
        throw new InvocationException(e);
    } finally {
        StandardServiceRegistryBuilder.destroy(serviceRegistry);
    }
}
 

/**
 * Generate database schema and initial data for a defined dialect
 */
public static void generateDatabase(String dialect) throws IOException {
	// Configure Hibernate
	log.info("Exporting Database Schema...");
	String dbSchema = EnvironmentDetector.getUserHome() + "/schema.sql";
	Configuration cfg = getConfiguration().configure();
	cfg.setProperty("hibernate.dialect", dialect);
	SchemaExport se = new SchemaExport(cfg);
	se.setOutputFile(dbSchema);
	se.setDelimiter(";");
	se.setFormat(false);
	se.create(false, false);
	log.info("Database Schema exported to {}", dbSchema);

	String initialData = new File("").getAbsolutePath() + "/src/main/resources/default.sql";
	log.info("Exporting Initial Data from '{}'...", initialData);
	String initData = EnvironmentDetector.getUserHome() + "/data.sql";
	FileInputStream fis = new FileInputStream(initialData);
	String ret = DatabaseDialectAdapter.dialectAdapter(fis, dialect);
	FileWriter fw = new FileWriter(initData);
	IOUtils.write(ret, fw);
	fw.flush();
	fw.close();
	log.info("Initial Data exported to {}", initData);
}
 

/**
 * Only for testing purposes
 */
public static void main(String[] args) throws Exception {
	log.info("Generate database schema & initial data");
	HibernateUtil.generateDatabase("org.hibernate.dialect.Oracle10gDialect");
	Configuration cfg = new Configuration();

	// Add annotated beans
	cfg.addAnnotatedClass(NodeFolder.class);

	// Configure Hibernate
	cfg.setProperty("hibernate.dialect", Config.HIBERNATE_DIALECT);
	cfg.setProperty("hibernate.hbm2ddl.auto", "create");

	SchemaExport se = new SchemaExport(cfg);
	se.setOutputFile("/home/pavila/export.sql");
	se.setDelimiter(";");
	se.setFormat(false);
	se.create(false, false);
}
 

private void outputDdl(String packageName, String dialect, String fileName) {
    LocalSessionFactoryBean sfBean = sfBean(packageName, dialect);
    StandardServiceRegistry serviceRegistry = sfBean.getConfiguration().getStandardServiceRegistryBuilder().build();
    try {
        String outputFile = OutputRoot + fileName;
        Files.deleteIfExists(Paths.get(outputFile));
        Metadata metadata = metadata(serviceRegistry, sfBean.getMetadataSources());
        
        SchemaExport export = new SchemaExport();
        export.setDelimiter(";");
        export.setFormat(FormatSql);
        export.setOutputFile(outputFile);
        export.create(EnumSet.of(TargetType.SCRIPT, TargetType.STDOUT), metadata);
    } catch (Exception e) {
        throw new InvocationException(e);
    } finally {
        StandardServiceRegistryBuilder.destroy(serviceRegistry);
    }
}
 

/**
 * Method that actually creates the file.
 *
 * @param dbDialect to use
 */
private void generate(Dialect dialect) {

        StandardServiceRegistryBuilder ssrb = new StandardServiceRegistryBuilder();
        ssrb.applySetting("hibernate.dialect", dialect.getDialectClass());
        StandardServiceRegistry standardServiceRegistry = ssrb.build();

        MetadataSources metadataSources = new MetadataSources(standardServiceRegistry);
        for (Class clzz : jpaClasses) {
                metadataSources.addAnnotatedClass(clzz);
        }

        Metadata metadata = metadataSources.buildMetadata();

        SchemaExport export = new SchemaExport();

        export.setDelimiter(";");
        export.setOutputFile(dialect.name().toLowerCase() + ".ddl");
        //export.execute(true, false, false, true);
        export.execute(EnumSet.of(TargetType.SCRIPT), Action.BOTH, metadata);
}
 

/**
 * Method that actually creates the file.
 * 
 * @param dbDialect to use
 */
private void generate(Dialect dialect) {
	cfg.setProperty("hibernate.dialect", dialect.getDialectClass());

	SchemaExport export = new SchemaExport(cfg);
	export.setDelimiter(";");
	
	// Determine file name. Use "ddl_" plus dialect name such as mysql or
	// oracle plus the package name with "_" replacing "." such as
	// org_transitime_db_structs .
	String packeNameSuffix = 
			packageName.replace(".", "_");
	String outputFilename = (outputDirectory!=null?outputDirectory+"/" : "") + 
			"ddl_" + dialect.name().toLowerCase() + 
			"_" + packeNameSuffix + ".sql";
	
	export.setOutputFile(outputFilename);
	
	// Export, but only to an SQL file. Don't actually modify the database
	System.out.println("Writing file " + outputFilename);
	export.execute(true, false, false, false);
	
	// Get rid of unneeded SQL for dropping tables and keys and such
	trimCruftFromFile(outputFilename);
}
 

/**
 * Generates database create commands for the specified entities using Hibernate native API, SchemaExport.
 * Creation commands are exported into the create.sql file.
 */
public static void generateSchema() {
    Map<String, String> settings = new HashMap<>();
    settings.put(Environment.URL, "jdbc:h2:mem:schema");

    StandardServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder().applySettings(settings).build();

    MetadataSources metadataSources = new MetadataSources(serviceRegistry);
    metadataSources.addAnnotatedClass(Account.class);
    metadataSources.addAnnotatedClass(AccountSetting.class);
    Metadata metadata = metadataSources.buildMetadata();

    SchemaExport schemaExport = new SchemaExport();
    schemaExport.setFormat(true);
    schemaExport.setOutputFile("create.sql");
    schemaExport.createOnly(EnumSet.of(TargetType.SCRIPT), metadata);
}
 

/**
 * Write database configuration to file. Includes differences to existing database. Filename: "database/setupDatabase.sql"
 */
private static void exportDDLtoFile() {
    String outputFile = "database/setupDatabase.sql";

    boolean script = true; // write DDL
    boolean export = false; // don't update databse
    try {
        SchemaExport se = new SchemaExport(cf);
        se.setOutputFile(outputFile);
        se.setDelimiter(";");
        se.create(script, export);
    } catch (Exception e) {
        log.error("DDL export to file failed: Reason: ", e);
    }
}
 

/**
 * Write database configuration to file. Includes differences to existing database. Filename: "database/setupDatabase.sql"
 */
private static void exportDDLtoFile() {
    String outputFile = "database/setupDatabase.sql";

    boolean script = true; // write DDL
    boolean export = false; // don't update databse
    try {
        SchemaExport se = new SchemaExport(cf);
        se.setOutputFile(outputFile);
        se.setDelimiter(";");
        se.create(script, export);
    } catch (Exception e) {
        log.error("DDL export to file failed: Reason: ", e);
    }
}
 

public static void main(String[] args) {
	Configuration configuration = new Configuration().configure().setNamingStrategy(new ImprovedNamingStrategy());
	EnversSchemaGenerator generator = new EnversSchemaGenerator(configuration);
	SchemaExport export = generator.export();
	
	export.setFormat(false);
	export.setOutputFile("src/test/resources/data/h2/create-table-new.sql");
	export.create(true, false);
}
 

public static void main(String[] args) {
	
	Configuration configuration = new Configuration().configure().setNamingStrategy(new ImprovedNamingStrategy());
	EnversSchemaGenerator generator = new EnversSchemaGenerator(configuration);
	SchemaExport export = generator.export();
	
	export.setFormat(false);
	export.setOutputFile("src/test/resources/h2schma.sql");
	export.create(true, false);
}
 

void generate(GeneratorSettings settings) throws Exception {
	validateSettings(settings);

	if (settings.getJpaProperties().getProperty(HIBERNATE_DIALECT) == null) {
		settings.getJpaProperties().setProperty(HIBERNATE_DIALECT, "org.hibernate.dialect.H2Dialect");
	}

	if (settings.isSkipSequences() && settings.getJpaProperties().getProperty(HIBERNATE_SCHEMA_FILTER_PROVIDER) == null) {
		settings.getJpaProperties().setProperty(HIBERNATE_SCHEMA_FILTER_PROVIDER, NoSequenceFilterProvider.class.getCanonicalName());
	}

	File outputFile = settings.getOutputPath();

	EngineDecorator engineDecorator = EngineDecorator.getEngineDecorator(settings.getJpaProperties().getProperty(HIBERNATE_DIALECT));

	if (settings.getGenerationMode() == GenerationMode.DATABASE) {

		String dbUrl = engineDecorator.decorateConnectionString(DB_URL);

		if (settings.getAction() == Action.UPDATE) {
			outputFile = FileResolver.resolveNextMigrationFile(settings.getOutputPath());
		}

		settings.getJpaProperties().setProperty("hibernate.connection.url", dbUrl);
		settings.getJpaProperties().setProperty("hibernate.connection.username", "sa");
		settings.getJpaProperties().setProperty("hibernate.connection.password", "");
		settings.getJpaProperties().setProperty("javax.persistence.schema-generation.scripts.action", settings.getAction().toSchemaGenerationAction());

		settings.getJpaProperties().setProperty("javax.persistence.schema-generation.scripts.create-target", outputFile.getAbsolutePath());
		settings.getJpaProperties().setProperty("javax.persistence.schema-generation.scripts.drop-target", outputFile.getAbsolutePath());

		settings.getJpaProperties().setProperty("hibernate.hbm2ddl.delimiter", settings.getDelimiter());
		settings.getJpaProperties().setProperty("hibernate.format_sql", String.valueOf(settings.isFormatOutput()));
	}

	MetadataSources metadata = new MetadataSources(
			new StandardServiceRegistryBuilder()
					.applySettings(settings.getJpaProperties())
					.build());

	for (String packageName: settings.getPackages().stream().sorted().collect(Collectors.toList())) {
		FileResolver.listClassNamesInPackage(packageName).stream().sorted().forEach(metadata::addAnnotatedClassName);
		metadata.addPackage(packageName);
	}

	if (settings.getAction() != Action.UPDATE) {
		Files.deleteIfExists(settings.getOutputPath().toPath());
	}

	if (settings.getGenerationMode() == GenerationMode.METADATA) {
		SchemaExport export = new SchemaExport();
		export.setFormat(settings.isFormatOutput());
		export.setDelimiter(settings.getDelimiter());
		export.setOutputFile(outputFile.getAbsolutePath());
		export.execute(EnumSet.of(TargetType.SCRIPT), settings.getAction().toSchemaExportAction(), metadata.buildMetadata());
	} else {
		Connection connection = null;
		if (settings.getAction() == Action.UPDATE) {
			connection = DriverManager.getConnection(DB_URL, "SA", "");

			engineDecorator.decorateDatabaseInitialization(connection);

			List<Path> resolvedMigrations = FileResolver.resolveExistingMigrations(settings.getOutputPath(), false, true);
			for (Path resolvedMigration : resolvedMigrations) {
				String statement = new String(Files.readAllBytes(resolvedMigration));
				connection.prepareStatement(statement).execute();
			}
		}

		metadata.buildMetadata().buildSessionFactory().close();

		if (connection != null) {
			connection.close();
		}
	}

	if (outputFile.exists()) {
		if (outputFile.length() == 0) {
			Files.delete(outputFile.toPath());
		} else {
			List<String> lines = Files.readAllLines(outputFile.toPath())
					.stream()
					.map(line -> line.replaceAll("(?i)JPA2DDL\\.(PUBLIC\\.)?", ""))
					.collect(Collectors.toList());
			Files.write(outputFile.toPath(), lines);
		}
	}
}