Bootstrap H2 database with preloaded records

H2Bootstrap.java

package np.com.roshanadhikary.testdemo.bootstrap;

/**
 * Bootstrap the in-memory H2 database with some Battery resources when
 * the application starts
 */
@Configuration
public class H2Bootstrap {

    private static final Logger logger = LoggerFactory.getLogger(H2Bootstrap.class);

    public static final List<Battery> mockBatteries = List.of(
            new Battery("Battery Loc 1", String.valueOf(1010), 20500),
            new Battery("Battery Loc 2", String.valueOf(1020), 20000),
            new Battery("Battery Loc 3", String.valueOf(1040), 30000),
            new Battery("Battery Loc 4", String.valueOf(1060), 30500)
    );
    
    @Bean
    CommandLineRunner initDb(BatteryRepository repository) {
        return args -> mockBatteries.forEach(battery ->
                logger.info(String.format("Preloading %s", repository.save(battery)))
        );
    }
}