import org.mariadb.jdbc.MariaDbDataSource; //导入依赖的package包/类
@Override
public SQLDataSourceLocator getDataSourceLocator() {
    return new SQLDataSourceLocator() {
        public DataSource lookup(SQLDataSetDef def) throws Exception {
            String server = connectionSettings.getProperty("server");
            String database = connectionSettings.getProperty("database");
            String port = connectionSettings.getProperty("port");
            String user = connectionSettings.getProperty("user");
            String password = connectionSettings.getProperty("password");

            MariaDbDataSource ds = new MariaDbDataSource();
            ds.setServerName(server);
            ds.setDatabaseName(database);
            ds.setPortNumber(Integer.parseInt(port));
            if (!StringUtils.isBlank(user)) {
                ds.setUser(user);
            }
            if (!StringUtils.isBlank(password)) {
                ds.setPassword(password);
            }
            return ds;
        }
    };
}
 

import org.mariadb.jdbc.MariaDbDataSource; //导入依赖的package包/类
@Override
public void check(int externalPort) throws ContainerNotReadyException {
    try {
        DataSource dataSource = new MariaDbDataSource(buildJdbcUrl(externalPort));

        try (Connection connection = dataSource.getConnection(username, password);
             Statement st = connection.createStatement()) {

            st.execute("SELECT 1 FROM DUAL");
        }
    } catch (SQLException e) {
        throw new ContainerNotReadyException(this + " is not ready", e);
    }

    if (assignJdbcUrlToSystemProperty != null) {
        System.setProperty(assignJdbcUrlToSystemProperty, buildJdbcUrl(externalPort));
    }
}
 

import org.mariadb.jdbc.MariaDbDataSource; //导入依赖的package包/类
private void assertDataSourceIsReady(String jdbcUrl) throws SQLException {
    MariaDbDataSource dataSource = new MariaDbDataSource(jdbcUrl);
    try (Connection connection = dataSource.getConnection("nisse", "hult");
         Statement st = connection.createStatement()) {

        st.execute("SELECT 1 FROM DUAL");
    }
}