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room-catch

androidx.roomのバグ確認用プロジェクト javaの予約語だとkaptがおかしくなるよって仕様の確認用プロジェクト

概要

  • roomは@Entityがついているclassをテーブル定義として使用するがcolumn名がcatchだとpublic constructorがマッチングせずビルド失敗になる
  • kaptの仕様としてjavaの予約語は使ってはいけないよ、という話

確認方法

  • entityを用意してあるのでkeyの部分をcatchに変更してビルドしてみてください
  • 下記のようにビルド失敗になると思います
エラー: Entities and POJOs must have a usable public constructor. You can have an empty constructor or a constructor whose parameters match the fields (by name and type).
public final class StringEntity {
             ^
  Tried the following constructors but they failed to match:
  StringEntity(int,java.lang.String) -> [param:id -> matched field:id, param:catch -> matched field:unmatched]\room-catch\app\build\tmp\kapt3\stubs\debug\com\ryunen344\room\column\db\entity\StringEntity.java:9: エラー: Cannot find setter for field.
    private final int id = 0;

原因

  • ここでエラーが吐かれているのは確認したが詳しい原因まで終えてないです
  • roomが中で使ってるgoogle AutoValueが悪いのやもしれません
  • issue tracker
  • your track

結論

kaptでjavaの予約語は使ってはいけない

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