Skip to content

Instantly share code, notes, and snippets.

@gakuzzzz
Last active November 19, 2017 07:06
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save gakuzzzz/bb814e3fdb9f3e749a801300fda6d557 to your computer and use it in GitHub Desktop.
Save gakuzzzz/bb814e3fdb9f3e749a801300fda6d557 to your computer and use it in GitHub Desktop.
Doma2 で IN 句の最大数を固定したメソッドだけ public にしたい
package example
import 省略
public interface FooDao {
/** Doma2 が生成するこのメソッドは private にしたい。 */
@Select(strategy = SelectType.STREAM)
@Suppress(messages = { Message.DOMA4274 })
private Stream<Foo> findByIdsInternally(List<FooId> ids);
/** こっちだけ public にしたい */
public default <R> R findByIds(List<FooId> ids, Collector<Foo, ?, R> collctor) {
return Lists.partition(ids, 5000).stream() // partition は List<A> を 第二引数の数ごと区切ってList<List<A>> にする処理です
.flatMap(this::findByIdsInternally)
.collect(collctor);
}
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment