liquibase.database.DatabaseFactory Java Examples

@Override
public void init() throws ServletException {
    super.init();

    try {
        Connection connection = dataSource.getConnection();
        Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(new JdbcConnection(connection));
        String dbName = database.getShortName();
        if (dbName.contains("postgres")) {
            deleteAllDataPostgresql(connection);
        } else if (dbName.contains("mssql")) {
            deleteAllDataMssql(connection);
        } else {
            Liquibase liquibase = new Liquibase((String) null, null, database);
            liquibase.dropAll();
        }
    } catch (Throwable e) {
        log.error(e);
        throw new ServletException(e);
    }
    log.warn("All Keycloak tables successfully dropped");
}
 

private void initDatabase() throws Exception {
    String url = System.getProperty("jdbc.url");
    String username = System.getProperty("jdbc.username", "unifiedpush");
    String password = System.getProperty("jdbc.password", "unifiedpush");

    if (url == null) {
        assumeTrue("Skip test on Windows, because mysql-connector-mxj has issue on new versions, see http://stackoverflow.com/questions/9520536/missingresourceexception-running-mxj-for-mysql for more details.", !IS_OS_WINDOWS);

        embeddedMysqlDatabase = new EmbeddedMysqlDatabase();
        embeddedMysqlDatabase.start("unifiedpush");

        url = embeddedMysqlDatabase.getUrl();
        username = "root";
        password = "";
    }

    database = DatabaseFactory.getInstance().openDatabase(url, username, password, null, resourceAccessor);
}
 

@Test
public void integrates() throws DatabaseException {

    //Liquibase must find our mssql impl.
    Database database= DatabaseFactory.getInstance().findCorrectDatabaseImplementation(new OfflineConnection("offline:mssql", null));

    InsertStatement statement = new InsertStatement(null, null, "TABLE_NAME");
    statement.addColumnValue("id", 1);
    statement.addColumnValue("name", "asdf");
    
    statement = new InsertStatementMSSQL(statement, true);

    Sql[] sql = SqlGeneratorFactory.getInstance().generateSql(statement, database);
    assertEquals(3, sql.length);

    for (Sql currentSql : sql) {
        assertSqlHasNoDanglingTokens(currentSql.toSql());
    }
}
 

@Test
public void integrates() throws DatabaseException {

  //Liquibase must find our mssql impl.
  Database database= DatabaseFactory.getInstance().findCorrectDatabaseImplementation(new OfflineConnection("offline:mssql", null));

  AddPrimaryKeyStatement statement = new AddPrimaryKeyStatement("myCat", "mySchema", "myTable", "myCol", "myConstraint");
  statement.setClustered(true);

  Sql[] sql = SqlGeneratorFactory.getInstance().generateSql(statement, database);
  assertEquals("ALTER TABLE [mySchema].[myTable] ADD CONSTRAINT [myConstraint] PRIMARY KEY ([myCol])", sql[0].toSql());

  statement = new AddPrimaryKeyStatementMSSQL(statement, null);
  sql = SqlGeneratorFactory.getInstance().generateSql(statement, database);
  assertEquals("ALTER TABLE [mySchema].[myTable] ADD CONSTRAINT [myConstraint] PRIMARY KEY ([myCol])", sql[0].toSql());

  statement = new AddPrimaryKeyStatementMSSQL(statement, 50);
  sql = SqlGeneratorFactory.getInstance().generateSql(statement, database);
  assertEquals("ALTER TABLE [mySchema].[myTable] ADD CONSTRAINT [myConstraint] PRIMARY KEY ([myCol]) WITH (FILLFACTOR = 50)", sql[0].toSql());
}
 

@Test
public void integrates() throws DatabaseException {
    final AddColumnConfig firstColumnConfig = new AddColumnConfig();
    firstColumnConfig.setName("id");
    final AddColumnConfig secondColumnConfig = new AddColumnConfig();
    secondColumnConfig.setName("name");

    //Liquibase must find our mssql impl.
    Database database= DatabaseFactory.getInstance().findCorrectDatabaseImplementation(new OfflineConnection("offline:mssql", null));

    CreateIndexStatement statement = new CreateIndexStatement(null, null, null, "TABLE_NAME", true, null, firstColumnConfig, secondColumnConfig);
    Sql[] sql = SqlGeneratorFactory.getInstance().generateSql(statement, database);
    assertEquals("CREATE UNIQUE INDEX ON [TABLE_NAME]([id], [name])", sql[0].toSql());

    statement = new CreateIndexStatementMSSQL(statement, "included, includedtoo", null);
    sql = SqlGeneratorFactory.getInstance().generateSql(statement, database);
    assertEquals("CREATE UNIQUE INDEX ON [TABLE_NAME]([id], [name]) INCLUDE ([included], [includedtoo])", sql[0].toSql());

    statement = new CreateIndexStatementMSSQL(statement, null, 50);
    sql = SqlGeneratorFactory.getInstance().generateSql(statement, database);
    assertEquals("CREATE UNIQUE INDEX ON [TABLE_NAME]([id], [name]) WITH (FILLFACTOR = 50)", sql[0].toSql());

    statement = new CreateIndexStatementMSSQL(statement, "included, includedtoo", 50);
    sql = SqlGeneratorFactory.getInstance().generateSql(statement, database);
    assertEquals("CREATE UNIQUE INDEX ON [TABLE_NAME]([id], [name]) INCLUDE ([included], [includedtoo]) WITH (FILLFACTOR = 50)", sql[0].toSql());
}
 

public void migrate(String dbName) {
    try {
        Configuration configuration = yamlConfiguration.subset(dbName + ".Hibernate");
        Properties properties = new Properties();
        properties.put("user", configuration.getProperty("hibernate.connection.username"));
        properties.put("password", configuration.getProperty("hibernate.connection.password"));
        Class.forName("com.mysql.jdbc.Driver").newInstance();
        String url = (String) configuration.getProperty("hibernate.connection.url");
        java.sql.Connection connection = DriverManager.getConnection(url, properties);
        Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(new JdbcConnection(connection));
        ClassLoader classLoader = getClass().getClassLoader();
        File file = new File(classLoader.getResource(dbName +  "/migrations.xml").getFile());
        Liquibase liquibase = new Liquibase(file.getCanonicalPath(), new FileSystemResourceAccessor(), database);
        liquibase.update(new Contexts());
    } catch (Exception e) {
        System.err.println("Unable to perform database migration.");
        e.printStackTrace();
    }
}
 

@Override
public void process(File generatedFile, File outputDirectory, SchemaGenConfig config) {
	try (Connection connection = setupDataSource(generatedFile); Connection emptyConnection = setupEmptySource()) {
		DatabaseFactory databaseFactory = DatabaseFactory.getInstance();
		Database database = databaseFactory.findCorrectDatabaseImplementation(new JdbcConnection(connection));
		Database emptyDatabase = databaseFactory.findCorrectDatabaseImplementation(new JdbcConnection(emptyConnection));

		DiffGeneratorFactory diffGeneratorFactory = DiffGeneratorFactory.getInstance();

		CompareControl compareControl = new CompareControl();
		DiffResult result = diffGeneratorFactory.compare(database, emptyDatabase, compareControl);

		DiffOutputControl outputControl = new DiffOutputControl();
		DiffToChangeLog changeLog = new DiffToChangeLog(result, outputControl);
		changeLog.setChangeSetAuthor(config.getLiquibase().getUser());
		changeLog.setIdRoot(config.getVersion());
		changeLog.generateChangeSets();

		File outputFile = new File(outputDirectory,
				config.getPackageName().replace(".", File.separator) + File.separator + config.getLiquibase().getFileName());
		outputFile.getParentFile().mkdirs();
		if (outputFile.exists()) {
			boolean deleted = outputFile.delete();
			if (!deleted) {
				throw new IllegalStateException("cannot delete " + outputFile.getAbsolutePath());
			}
		}
		changeLog.print(outputFile.getAbsolutePath(), new XMLChangeLogSerializer());

		if (config.getConstraintNamePrefix() != null) {
			String sql = FileUtils.readAsString(outputFile);
			sql = sql.replace("primaryKeyName=\"CONSTRAINT_", "primaryKeyName=\"" + config.getConstraintNamePrefix() + "CONSTRAINT_");
			FileUtils.writeString(sql, outputFile);
		}
	} catch (Exception e) {
		throw new IllegalStateException(e);
	}
}
 

public static DataSource getDataSource(String liquibaseChangelogLocation) throws Exception {
    // create a hsql in memory connection
    Connection connection = createH2InMemory();

    // Create the schema for unit testing
    Database liquibaseDb = DatabaseFactory.getInstance()
                                          .findCorrectDatabaseImplementation(new JdbcConnection(connection));
    Liquibase lq = new Liquibase(liquibaseChangelogLocation, new ClassLoaderResourceAccessor(), liquibaseDb);
    try {
        lq.update("");
    } catch (MigrationFailedException e) {
        // catch the exception because in PopulateConfigurationRegistrySpaceIdColumnChange liquibase change there is rest call
        if (e.getCause()
             .getClass() != UnexpectedLiquibaseException.class) {
            throw e;
        }
    }

    // Initialize the fileService to use our in-memory connection through a pool emulation (so
    // that close releases rather than close)
    return new SingleConnectionDataSource(connection, true);
}
 

private static void createTablesLiquibaseMigration(MetadataSources metaDataSrc)
    throws LiquibaseException, SQLException, InterruptedException {
  // Get database connection
  try (Connection con =
      metaDataSrc.getServiceRegistry().getService(ConnectionProvider.class).getConnection()) {
    JdbcConnection jdbcCon = new JdbcConnection(con);

    // Overwrite default liquibase table names by custom
    GlobalConfiguration liquibaseConfiguration =
        LiquibaseConfiguration.getInstance().getConfiguration(GlobalConfiguration.class);
    liquibaseConfiguration.setDatabaseChangeLogLockWaitTime(1L);

    // Initialize Liquibase and run the update
    Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(jdbcCon);
    String rootPath = System.getProperty(ModelDBConstants.userDir);
    rootPath = rootPath + "\\src\\main\\resources\\liquibase\\db-changelog-1.0.xml";
    Liquibase liquibase = new Liquibase(rootPath, new FileSystemResourceAccessor(), database);

    boolean liquibaseExecuted = false;
    while (!liquibaseExecuted) {
      try {
        liquibase.update(new Contexts(), new LabelExpression());
        liquibaseExecuted = true;
      } catch (LockException ex) {
        LOGGER.warn(
            "ModelDBHibernateUtil createTablesLiquibaseMigration() getting LockException ", ex);
        releaseLiquibaseLock(metaDataSrc);
      }
    }
  }
}
 

public static void dropSchema() throws Exception {
    System.out.println("Dropping schema");
    DatabaseConnection databaseConnection = createDbConnection();
    Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(databaseConnection);

    Liquibase liquibase = new Liquibase("META-INF/liquibase/db-changelog.xml", new ClassLoaderResourceAccessor(), database);
    liquibase.dropAll();

    closeDatabase(database, databaseConnection);
}
 

/**
 * <p>Configures this module. Applies the recent changes from the {@link #getChangeLogResourcePath()} change log to
 * database.</p>
 */
protected final void configure() {
    try (Connection connection = this.getConnection()) {
        Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(new JdbcConnection(connection));
        Liquibase liquibase = new Liquibase(getChangeLogResourcePath(), getResourceAccessor(), database);
        String usageScenario = this.context.getInitParameter("usage.scenario");
        String contexts = getContexts(usageScenario);
        liquibase.update(contexts);
    } catch (LiquibaseException | SQLException e) {
        log.error(e.getMessage(), e);
        throw new RuntimeException(e);
    }
}
 

public static void main(String[] args) {
    try {
        FormEngine formEngine = FormEngines.getDefaultFormEngine();
        DataSource dataSource = formEngine.getFormEngineConfiguration().getDataSource();

        DatabaseConnection connection = new JdbcConnection(dataSource.getConnection());
        Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(connection);
        database.setDatabaseChangeLogTableName(FormEngineConfiguration.LIQUIBASE_CHANGELOG_PREFIX + database.getDatabaseChangeLogTableName());
        database.setDatabaseChangeLogLockTableName(FormEngineConfiguration.LIQUIBASE_CHANGELOG_PREFIX + database.getDatabaseChangeLogLockTableName());

        if (StringUtils.isNotEmpty(formEngine.getFormEngineConfiguration().getDatabaseSchema())) {
            database.setDefaultSchemaName(formEngine.getFormEngineConfiguration().getDatabaseSchema());
            database.setLiquibaseSchemaName(formEngine.getFormEngineConfiguration().getDatabaseSchema());
        }

        if (StringUtils.isNotEmpty(formEngine.getFormEngineConfiguration().getDatabaseCatalog())) {
            database.setDefaultCatalogName(formEngine.getFormEngineConfiguration().getDatabaseCatalog());
            database.setLiquibaseCatalogName(formEngine.getFormEngineConfiguration().getDatabaseCatalog());
        }

        Liquibase liquibase = new Liquibase("org/flowable/form/db/liquibase/flowable-form-db-changelog.xml", new ClassLoaderResourceAccessor(), database);
        liquibase.dropAll();
        liquibase.getDatabase().close();

    } catch (Exception e) {
        e.printStackTrace();
    }
}
 

public static void main(String[] args) {
    try {
        ContentEngine contentEngine = ContentEngines.getDefaultContentEngine();
        DataSource dataSource = contentEngine.getContentEngineConfiguration().getDataSource();

        DatabaseConnection connection = new JdbcConnection(dataSource.getConnection());
        Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(connection);
        database.setDatabaseChangeLogTableName(ContentEngineConfiguration.LIQUIBASE_CHANGELOG_PREFIX + database.getDatabaseChangeLogTableName());
        database.setDatabaseChangeLogLockTableName(ContentEngineConfiguration.LIQUIBASE_CHANGELOG_PREFIX + database.getDatabaseChangeLogLockTableName());

        if (StringUtils.isNotEmpty(contentEngine.getContentEngineConfiguration().getDatabaseSchema())) {
            database.setDefaultSchemaName(contentEngine.getContentEngineConfiguration().getDatabaseSchema());
            database.setLiquibaseSchemaName(contentEngine.getContentEngineConfiguration().getDatabaseSchema());
        }

        if (StringUtils.isNotEmpty(contentEngine.getContentEngineConfiguration().getDatabaseCatalog())) {
            database.setDefaultCatalogName(contentEngine.getContentEngineConfiguration().getDatabaseCatalog());
            database.setLiquibaseCatalogName(contentEngine.getContentEngineConfiguration().getDatabaseCatalog());
        }

        Liquibase liquibase = new Liquibase("org/flowable/content/db/liquibase/flowable-content-db-changelog.xml", new ClassLoaderResourceAccessor(), database);
        liquibase.dropAll();
        liquibase.getDatabase().close();

    } catch (Exception e) {
        e.printStackTrace();
    }
}
 

public static void main(String[] args) {
    try {
        EventRegistryEngine eventRegistryEngine = EventRegistryEngines.getDefaultEventRegistryEngine();
        EventRegistryEngineConfiguration eventRegistryEngineConfiguration = eventRegistryEngine.getEventRegistryEngineConfiguration();
        DataSource dataSource = eventRegistryEngineConfiguration.getDataSource();

        DatabaseConnection connection = new JdbcConnection(dataSource.getConnection());
        Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(connection);
        database.setDatabaseChangeLogTableName(EventRegistryEngineConfiguration.LIQUIBASE_CHANGELOG_PREFIX + database.getDatabaseChangeLogTableName());
        database.setDatabaseChangeLogLockTableName(EventRegistryEngineConfiguration.LIQUIBASE_CHANGELOG_PREFIX + database.getDatabaseChangeLogLockTableName());

        if (StringUtils.isNotEmpty(eventRegistryEngineConfiguration.getDatabaseSchema())) {
            database.setDefaultSchemaName(eventRegistryEngineConfiguration.getDatabaseSchema());
            database.setLiquibaseSchemaName(eventRegistryEngineConfiguration.getDatabaseSchema());
        }

        if (StringUtils.isNotEmpty(eventRegistryEngineConfiguration.getDatabaseCatalog())) {
            database.setDefaultCatalogName(eventRegistryEngineConfiguration.getDatabaseCatalog());
            database.setLiquibaseCatalogName(eventRegistryEngineConfiguration.getDatabaseCatalog());
        }

        Liquibase liquibase = new Liquibase("org/flowable/eventregistry/db/liquibase/flowable-eventregistry-db-changelog.xml", new ClassLoaderResourceAccessor(), database);
        liquibase.dropAll();
        liquibase.getDatabase().close();

    } catch (Exception e) {
        e.printStackTrace();
    }
}
 

@Override
public Liquibase getLiquibaseForCustomUpdate(Connection connection, String defaultSchema, String changelogLocation, ClassLoader classloader, String changelogTableName) throws LiquibaseException {
    Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(new JdbcConnection(connection));
    if (defaultSchema != null) {
        database.setDefaultSchemaName(defaultSchema);
    }

    ResourceAccessor resourceAccessor = new ClassLoaderResourceAccessor(classloader);
    database.setDatabaseChangeLogTableName(changelogTableName);

    logger.debugf("Using changelog file %s and changelogTableName %s", changelogLocation, database.getDatabaseChangeLogTableName());

    return new Liquibase(changelogLocation, resourceAccessor, database);
}
 

public static void main(String[] args) {
    try {
        DmnEngine dmnEngine = DmnEngines.getDefaultDmnEngine();
        DataSource dataSource = dmnEngine.getDmnEngineConfiguration().getDataSource();

        DatabaseConnection connection = new JdbcConnection(dataSource.getConnection());
        Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(connection);
        database.setDatabaseChangeLogTableName(DmnEngineConfiguration.LIQUIBASE_CHANGELOG_PREFIX + database.getDatabaseChangeLogTableName());
        database.setDatabaseChangeLogLockTableName(DmnEngineConfiguration.LIQUIBASE_CHANGELOG_PREFIX + database.getDatabaseChangeLogLockTableName());

        if (StringUtils.isNotEmpty(dmnEngine.getDmnEngineConfiguration().getDatabaseSchema())) {
            database.setDefaultSchemaName(dmnEngine.getDmnEngineConfiguration().getDatabaseSchema());
            database.setLiquibaseSchemaName(dmnEngine.getDmnEngineConfiguration().getDatabaseSchema());
        }

        if (StringUtils.isNotEmpty(dmnEngine.getDmnEngineConfiguration().getDatabaseCatalog())) {
            database.setDefaultCatalogName(dmnEngine.getDmnEngineConfiguration().getDatabaseCatalog());
            database.setLiquibaseCatalogName(dmnEngine.getDmnEngineConfiguration().getDatabaseCatalog());
        }

        Liquibase liquibase = new Liquibase("org/flowable/dmn/db/liquibase/flowable-dmn-db-changelog.xml", new ClassLoaderResourceAccessor(), database);
        liquibase.dropAll();
        liquibase.getDatabase().close();

    } catch (Exception e) {
        e.printStackTrace();
    }
}
 

@Override
public Liquibase getLiquibase(Connection connection, String defaultSchema) throws LiquibaseException {
    Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(new JdbcConnection(connection));
    if (defaultSchema != null) {
        database.setDefaultSchemaName(defaultSchema);
    }

    String changelog = QuarkusJpaUpdaterProvider.CHANGELOG;

    logger.debugf("Using changelog file %s and changelogTableName %s", changelog, database.getDatabaseChangeLogTableName());

    return new Liquibase(changelog, resourceAccessor, database);
}
 

@BeforeAll
public void setup() throws Exception {
  JerseyGuiceUtils.reset();
  singularityTestModule = new SingularityTestModule(useDBTests, customConfigSetup);

  singularityTestModule.getInjector().injectMembers(this);
  singularityTestModule.start();
  leaderCacheCoordinator.activateLeaderCache();
  configuration.setThreadpoolShutdownDelayInSeconds(0);
  if (useDBTests) {
    Handle handle = dbiProvider.get().open();
    handle.getConnection().setAutoCommit(true);

    Database database = DatabaseFactory
      .getInstance()
      .findCorrectDatabaseImplementation(new JdbcConnection(handle.getConnection()));

    Liquibase liquibase = new Liquibase(
      "singularity_test.sql",
      new FileSystemResourceAccessor(),
      database
    );
    liquibase.update((String) null);

    try {
      database.close();
      handle.close();
    } catch (Throwable t) {}
  }
}
 

@Override
public Liquibase getLiquibase(Connection connection, String defaultSchema) throws LiquibaseException {
    Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(new JdbcConnection(connection));
    if (defaultSchema != null) {
        database.setDefaultSchemaName(defaultSchema);
    }

    String changelog = LiquibaseJpaUpdaterProvider.CHANGELOG;
    ResourceAccessor resourceAccessor = new ClassLoaderResourceAccessor(getClass().getClassLoader());

    logger.debugf("Using changelog file %s and changelogTableName %s", changelog, database.getDatabaseChangeLogTableName());
    
    return new Liquibase(changelog, resourceAccessor, database);
}
 

@Override
public Liquibase getLiquibaseForCustomUpdate(Connection connection, String defaultSchema, String changelogLocation, ClassLoader classloader, String changelogTableName) throws LiquibaseException {
    Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(new JdbcConnection(connection));
    if (defaultSchema != null) {
        database.setDefaultSchemaName(defaultSchema);
    }

    ResourceAccessor resourceAccessor = new ClassLoaderResourceAccessor(classloader);
    database.setDatabaseChangeLogTableName(changelogTableName);

    logger.debugf("Using changelog file %s and changelogTableName %s", changelogLocation, database.getDatabaseChangeLogTableName());

    return new Liquibase(changelogLocation, resourceAccessor, database);
}
 

public boolean isMigrationNeeded() throws SQLException, LiquibaseException {
    App app = new App(dir);
    DataSource dataSource = new DataSourceFactory(app.options("database", DatabaseOptions.class)).setDir(dir).build();
    try (Connection connection = dataSource.getConnection()) {
        Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(new JdbcConnection(connection));
        Liquibase liquibase = new Liquibase("conf/db/change-logs.yml", new ClassLoaderResourceAccessor(), database);
        return !liquibase.tagExists("0.9.0");
    }
}
 

/**
 * Creates the liquibase instance.
 * 
 * @return the liquibase.
 */
public Liquibase createLiquibase() {
    try {
        ResourceAccessor resourceAccessor = new ClassLoaderResourceAccessor(Thread.currentThread().getContextClassLoader());

        Database database = DatabaseFactory.getInstance()
                .findCorrectDatabaseImplementation(new JdbcConnection(dataSource.getConnection()));
        ;
        if (database != null) {
            database.setDatabaseChangeLogLockTableName(config.databaseChangeLogLockTableName);
            database.setDatabaseChangeLogTableName(config.databaseChangeLogTableName);
            config.liquibaseCatalogName.ifPresent(database::setLiquibaseCatalogName);
            config.liquibaseSchemaName.ifPresent(database::setLiquibaseSchemaName);
            config.liquibaseTablespaceName.ifPresent(database::setLiquibaseTablespaceName);

            if (config.defaultCatalogName.isPresent()) {
                database.setDefaultCatalogName(config.defaultCatalogName.get());
            }
            if (config.defaultSchemaName.isPresent()) {
                database.setDefaultSchemaName(config.defaultSchemaName.get());
            }
        }
        return new Liquibase(config.changeLog, resourceAccessor, database);

    } catch (Exception ex) {
        throw new IllegalStateException(ex);
    }
}
 

public static void main(String[] args) {
  try {
    FormEngine formEngine = FormEngines.getDefaultFormEngine();
    DataSource dataSource = formEngine.getFormEngineConfiguration().getDataSource();
    
    DatabaseConnection connection = new JdbcConnection(dataSource.getConnection());
    Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(connection);
    database.setDatabaseChangeLogTableName(FormEngineConfiguration.LIQUIBASE_CHANGELOG_PREFIX+database.getDatabaseChangeLogTableName());
    database.setDatabaseChangeLogLockTableName(FormEngineConfiguration.LIQUIBASE_CHANGELOG_PREFIX+database.getDatabaseChangeLogLockTableName());
    
    if (StringUtils.isNotEmpty(formEngine.getFormEngineConfiguration().getDatabaseSchema())) {
      database.setDefaultSchemaName(formEngine.getFormEngineConfiguration().getDatabaseSchema());
      database.setLiquibaseSchemaName(formEngine.getFormEngineConfiguration().getDatabaseSchema());
    }
    
    if (StringUtils.isNotEmpty(formEngine.getFormEngineConfiguration().getDatabaseCatalog())) {
      database.setDefaultCatalogName(formEngine.getFormEngineConfiguration().getDatabaseCatalog());
      database.setLiquibaseCatalogName(formEngine.getFormEngineConfiguration().getDatabaseCatalog());
    }

    Liquibase liquibase = new Liquibase("org/activiti/form/db/liquibase/activiti-form-db-changelog.xml", new ClassLoaderResourceAccessor(), database);
    liquibase.dropAll();
    
  } catch (Exception e) {
    e.printStackTrace();
  }
}
 

public void initDbSchema() {
  try {
    DatabaseConnection connection = new JdbcConnection(dataSource.getConnection());
    Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(connection);
    database.setDatabaseChangeLogTableName(LIQUIBASE_CHANGELOG_PREFIX+database.getDatabaseChangeLogTableName());
    database.setDatabaseChangeLogLockTableName(LIQUIBASE_CHANGELOG_PREFIX+database.getDatabaseChangeLogLockTableName());
    
    if (StringUtils.isNotEmpty(databaseSchema)) {
      database.setDefaultSchemaName(databaseSchema);
      database.setLiquibaseSchemaName(databaseSchema);
    }
    
    if (StringUtils.isNotEmpty(databaseCatalog)) {
      database.setDefaultCatalogName(databaseCatalog);
      database.setLiquibaseCatalogName(databaseCatalog);
    }

    Liquibase liquibase = new Liquibase("org/activiti/form/db/liquibase/activiti-form-db-changelog.xml", new ClassLoaderResourceAccessor(), database);

    if (DB_SCHEMA_UPDATE_DROP_CREATE.equals(databaseSchemaUpdate)) {
      logger.debug("Dropping and creating schema FORM");
      liquibase.dropAll();
      liquibase.update("form");
    } else if (DB_SCHEMA_UPDATE_TRUE.equals(databaseSchemaUpdate)) {
      logger.debug("Updating schema FORM");
      liquibase.update("form");
    } else if (DB_SCHEMA_UPDATE_FALSE.equals(databaseSchemaUpdate)) {
      logger.debug("Validating schema FORM");
      liquibase.validate();
    }
  } catch (Exception e) {
    throw new ActivitiFormException("Error initialising form data schema", e);
  }
}
 

public static void dropSchema() throws Exception {
    System.out.println("Dropping schema");
    DatabaseConnection databaseConnection = createDbConnection();
    Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(databaseConnection);

    Liquibase liquibase = new Liquibase("META-INF/liquibase/db-changelog.xml", new ClassLoaderResourceAccessor(), database);
    liquibase.dropAll();

    closeDatabase(database, databaseConnection);
}
 

public static void dropSchema() throws Exception {
    System.out.println("Dropping schema");
    DatabaseConnection databaseConnection = createDbConnection();
    Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(databaseConnection);
    
    Liquibase liquibase = new Liquibase("META-INF/liquibase/db-changelog-onpremise.xml", new ClassLoaderResourceAccessor(), database);
    liquibase.dropAll();
    
    closeDatabase(database, databaseConnection);
}
 

public void initDbSchema() {
  try {
    DatabaseConnection connection = new JdbcConnection(dataSource.getConnection());
    Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(connection);
    database.setDatabaseChangeLogTableName(LIQUIBASE_CHANGELOG_PREFIX + database.getDatabaseChangeLogTableName());
    database.setDatabaseChangeLogLockTableName(LIQUIBASE_CHANGELOG_PREFIX + database.getDatabaseChangeLogLockTableName());
    
    if (StringUtils.isNotEmpty(databaseSchema)) {
      database.setDefaultSchemaName(databaseSchema);
      database.setLiquibaseSchemaName(databaseSchema);
    }
    
    if (StringUtils.isNotEmpty(databaseCatalog)) {
      database.setDefaultCatalogName(databaseCatalog);
      database.setLiquibaseCatalogName(databaseCatalog);
    }

    Liquibase liquibase = new Liquibase("org/activiti/dmn/db/liquibase/activiti-dmn-db-changelog.xml", new ClassLoaderResourceAccessor(), database);

    if (DB_SCHEMA_UPDATE_DROP_CREATE.equals(databaseSchemaUpdate)) {
      logger.debug("Dropping and creating schema DMN");
      liquibase.dropAll();
      liquibase.update("dmn");
    } else if (DB_SCHEMA_UPDATE_TRUE.equals(databaseSchemaUpdate)) {
      logger.debug("Updating schema DMN");
      liquibase.update("dmn");
    } else if (DB_SCHEMA_UPDATE_FALSE.equals(databaseSchemaUpdate)) {
      logger.debug("Validating schema DMN");
      liquibase.validate();
    }
  } catch (Exception e) {
    throw new ActivitiDmnException("Error initialising dmn data model");
  }
}
 

public static void main(String[] args) {
  try {
    DmnEngine dmnEngine = DmnEngines.getDefaultDmnEngine();
    DataSource dataSource = dmnEngine.getDmnEngineConfiguration().getDataSource();
    
    DatabaseConnection connection = new JdbcConnection(dataSource.getConnection());
    Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(connection);
    database.setDatabaseChangeLogTableName(DmnEngineConfiguration.LIQUIBASE_CHANGELOG_PREFIX+database.getDatabaseChangeLogTableName());
    database.setDatabaseChangeLogLockTableName(DmnEngineConfiguration.LIQUIBASE_CHANGELOG_PREFIX+database.getDatabaseChangeLogLockTableName());
    
    if (StringUtils.isNotEmpty(dmnEngine.getDmnEngineConfiguration().getDatabaseSchema())) {
      database.setDefaultSchemaName(dmnEngine.getDmnEngineConfiguration().getDatabaseSchema());
      database.setLiquibaseSchemaName(dmnEngine.getDmnEngineConfiguration().getDatabaseSchema());
    }
    
    if (StringUtils.isNotEmpty(dmnEngine.getDmnEngineConfiguration().getDatabaseCatalog())) {
      database.setDefaultCatalogName(dmnEngine.getDmnEngineConfiguration().getDatabaseCatalog());
      database.setLiquibaseCatalogName(dmnEngine.getDmnEngineConfiguration().getDatabaseCatalog());
    }

    Liquibase liquibase = new Liquibase("org/activiti/dmn/db/liquibase/activiti-dmn-db-changelog.xml", new ClassLoaderResourceAccessor(), database);
    liquibase.dropAll();
    
  } catch (Exception e) {
    e.printStackTrace();
  }
}
 

public void migrate() throws SQLException, LiquibaseException {
    logger.info("migrating database");
    App app = new App(dir);
    DataSource dataSource = new DataSourceFactory(app.options("database", DatabaseOptions.class)).setDir(dir).build();
    try (Connection connection = dataSource.getConnection()) {
        Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(new JdbcConnection(connection));
        Liquibase liquibase = new Liquibase("conf/db/change-logs.yml", new ClassLoaderResourceAccessor(), database);
        liquibase.update("");
        liquibase.tag("0.9.0");
    }
}
 

public static void main(String[] args) throws LiquibaseException, SQLException, IOException, ParserConfigurationException {
    BasicDataSource dataSource = new BasicDataSource();
    dataSource.setUrl("jdbc:mysql://localhost:3306/main?useUnicode=true&characterEncoding=utf8&autoReconnect=true&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=UTC");
    dataSource.setDriverClassName("com.mysql.cj.jdbc.Driver");
    dataSource.setUsername("root");

    java.sql.Connection connection = dataSource.getConnection();
    Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(new JdbcConnection(connection));
    Liquibase liquibase = new Liquibase("db-changes.yml", new ClassLoaderResourceAccessor(), database);

    CatalogAndSchema catalogAndSchema = new CatalogAndSchema(null, "main");
    DiffToChangeLog changeLog = new DiffToChangeLog(new DiffOutputControl(false, false, true, null));

    liquibase.generateChangeLog(catalogAndSchema, changeLog, new PrintStream(new FileOutputStream("./change-logs.yml")), new YamlChangeLogSerializer(), snapTypes());
}