{"version":"1.0","image_url":null,"title":" Spring WebFlux \u3067 Mono \u304c empty \u306e\u5834\u5408\u306b404 \u3092\u8fd4\u3059","description":"Spring WebFlux \u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306f\u623b\u308a\u5024\u306e\u65b9\u306f Mono<V> \u306b\u306a\u308b\u306e\u3060\u304c\u3001\u3053\u306e Mono<V> \u304c empty \u306e\u5834\u5408\u3001Spring \u5074\u3067\u3088\u3057\u306a\u306b\u3084\u3063\u3066\u304f\u308c\u308b\u3068\u601d\u3063\u305f\u3089\u3001\u5b9f\u306f\u305d\u3046\u3067\u3082\u306a\u3044\u3089\u3057\u3044\u3002 \u4f8b\u3048\u3070\u3053\u306e\u3088\u3046\u306a\u30cf\u30f3\u30c9\u30e9\u30fc\u3092\u4f5c\u3063\u3066\u307f\u308b Mono<ServerResponse> test(final ServerRequest request) { final Optional<String> value = request.queryParam(\"value\"); return Mono.justOrEmpty(value) .map(Wrapper::new) .flatMa\u2026","blog_title":"mike-neck\u306e\u30d6\u30ed\u30b0","type":"rich","height":"190","published":"2018-03-04 00:25:23","url":"https://mike-neck.hatenadiary.com/entry/2018/03/04/002523","author_url":"https://blog.hatena.ne.jp/mike_neck/","author_name":"mike_neck","provider_name":"Hatena Blog","categories":["spring","reactor"],"blog_url":"https://mike-neck.hatenadiary.com/","width":"100%","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmike-neck.hatenadiary.com%2Fentry%2F2018%2F03%2F04%2F002523\" title=\" Spring WebFlux \u3067 Mono \u304c empty \u306e\u5834\u5408\u306b404 \u3092\u8fd4\u3059 - mike-neck\u306e\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}