How to use

registerImmutable

method

in

org.jdbi.v3.core.mapper.immutables.JdbiImmutables

/**
 * Register bean arguments and row mapping for an {@code Immutable*} value class, expecting the default generated class and builder names.
 * @param spec the specification interface or abstract class
 * @param <S> the specification class
 * @return a plugin that configures type mapping for the given class
 */
public <S> JdbiImmutables registerImmutable(Class<S> spec) {
  final Class<? extends S> impl = classByPrefix("Immutable", spec);
  return registerImmutable(spec, impl, JdbiOptionals.findFirstPresent(
      () -> nullaryMethodOf(spec, "builder"),
      () -> nullaryMethodOf(impl, "builder"))
        .orElseThrow(() -> new IllegalArgumentException("Neither " + spec + " nor " + impl + " have a 'builder' method")));
}

@Test
public void simpleTest() {
  jdbi.getConfig(JdbiImmutables.class).registerImmutable(Train.class);
  try (Handle handle = jdbi.open()) {
    handle.execute("create table train (name varchar, carriages int, observation_car boolean)");
    assertThat(
      handle.createUpdate("insert into train(name, carriages, observation_car) values (:name, :carriages, :observationCar)")
        .bindPojo(ImmutableTrain.builder().name("Zephyr").carriages(8).observationCar(true).build())
        .execute())
      .isEqualTo(1);
    assertThat(
      handle.createQuery("select * from train")
        .mapTo(Train.class)
        .findOnly())
      .extracting("name", "carriages", "observationCar")
      .containsExactly("Zephyr", 8, true);
  }
}
// end::example[]