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

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);
    }
}
 

public void testSchemaTools() throws Exception{
	// database schema have been created thanks to the setUp method
	// we have 2 schemas SA et SB, SB must be set as the default schema
	// used by hibernate hibernate.default_schema SB
	SchemaExport se = new SchemaExport(getCfg());
	se.create(true,true);
	
	// here we modify the generated table in order to test SchemaUpdate
	Session session = openSession();
	Connection conn = session.connection();
	Statement stat = conn.createStatement();
	stat.execute("ALTER TABLE \"SB\".\"Team\" DROP COLUMN name ");
	
	// update schema
	SchemaUpdate su = new SchemaUpdate(getCfg());
	su.execute(true,true);
	
	// we can run schema validation. Note that in the setUp method a *wrong* table
	// has been created with different column names
	// if schema validator chooses the bad db schema, then the testcase will fail (exception)
	SchemaValidator sv = new SchemaValidator(getCfg());
	sv.validate();
	
	// it's time to clean our database
	se.drop(true,true);
	
	// then the schemas and false table.

	stat.execute("DROP TABLE \"SA\".\"Team\" ");
	stat.execute(" DROP SCHEMA sa ");
	stat.execute("DROP SCHEMA sb ");
	stat.close();
	session.close();
}
 

public void testSchemaToolsNonQuote() throws Exception{
	// database schema have been created thanks to the setUp method
	// we have 2 schemas SA et SB, SB must be set as the default schema
	// used by hibernate hibernate.default_schema SB
	SchemaExport se = new SchemaExport(getCfg());
	se.create(true,true);
	
	// here we modify the generated table in order to test SchemaUpdate
	Session session = openSession();
	Connection conn = session.connection();
	Statement stat = conn.createStatement();
	stat.execute("ALTER TABLE \"SB\".\"TEAM\" DROP COLUMN xname ");
	
	// update schema
	SchemaUpdate su = new SchemaUpdate(getCfg());
	su.execute(true,true);
	
	// we can run schema validation. Note that in the setUp method a *wrong* table
	// has been created with different column names
	// if schema validator chooses the bad db schema, then the testcase will fail (exception)
	SchemaValidator sv = new SchemaValidator(getCfg());
	sv.validate();
	
	// it's time to clean our database
	se.drop(true,true);
	
	// then the schemas and false table.

	stat.execute("DROP TABLE \"SA\".\"Team\" ");
	stat.execute(" DROP SCHEMA sa ");
	stat.execute("DROP SCHEMA sb ");
	stat.close();
	session.close();
}
 

public void testFailingQuoteValidation() throws Exception{
	// database schema have been created thanks to the setUp method
	// we have 2 schemas SA et SB, SB must be set as the default schema
	// used by hibernate hibernate.default_schema SB
	SchemaExport se = new SchemaExport(getCfg());
	se.create(true,true);
	
	// here we modify the generated table in order to test SchemaUpdate
	Session session = openSession();
	Connection conn = session.connection();
	Statement stat = conn.createStatement();
	stat.execute("ALTER TABLE \"SB\".\"Team\" DROP COLUMN name ");
	
	// update schema
	//SchemaUpdate su = new SchemaUpdate(getCfg());
	//su.execute(true,true);
	
	try {
		SchemaValidator sv = new SchemaValidator(getCfg());
		sv.validate();
		fail("should fail since we mutated the current schema.");
	} catch(HibernateException he) {
		
	}
	
	// it's time to clean our database
	se.drop(true,true);
	
	// then the schemas and false table.

	stat.execute("DROP TABLE \"SA\".\"Team\" ");
	stat.execute(" DROP SCHEMA sa ");
	stat.execute("DROP SCHEMA sb ");
	stat.close();
	session.close();
}
 

public void testFailingNonQuoteValidation() throws Exception{
	// database schema have been created thanks to the setUp method
	// we have 2 schemas SA et SB, SB must be set as the default schema
	// used by hibernate hibernate.default_schema SB
	SchemaExport se = new SchemaExport(getCfg());
	se.create(true,true);
	
	// here we modify the generated table in order to test SchemaUpdate
	Session session = openSession();
	Connection conn = session.connection();
	Statement stat = conn.createStatement();
	stat.execute("ALTER TABLE \"SB\".\"TEAM\" DROP COLUMN xname ");
	
	// update schema
	//SchemaUpdate su = new SchemaUpdate(getCfg());
	//su.execute(true,true);
	
	try {
		SchemaValidator sv = new SchemaValidator(getCfg());
		sv.validate();
		fail("should fail since we mutated the current schema.");
	} catch(HibernateException he) {
		
	}
	
	// it's time to clean our database
	se.drop(true,true);
	
	// then the schemas and false table.

	stat.execute("DROP TABLE \"SA\".\"Team\" ");
	stat.execute(" DROP SCHEMA sa ");
	stat.execute("DROP SCHEMA sb ");
	stat.close();
	session.close();
}
 

/**
 * 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);
    }
}
 

/**
 * @param args
 */
public static void main(String[] args) {
	Configuration configuration = new Configuration().configure();
	
	SchemaExport export = new SchemaExport(configuration);
	
	export.create(true, true);
}
 

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);
}
 

public static void main(String[] args) {
	Configuration configuration=new Configuration().configure("hibernate.cfg.xml");
	SchemaExport export=new SchemaExport(configuration);
	export.create(true, true);
}