{"blog_url":"https://blog1.mammb.com/","published":"2026-03-07 00:00:00","provider_name":"Hatena Blog","blog_title":"A Memorandum","version":"1.0","width":"100%","categories":[],"description":"\u30b9\u30c6\u30fc\u30c8\u30ec\u30b9\u30fb\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u30fb\u30de\u30cd\u30fc\u30b8\u30e3\u30fc EntityAgent EntityAgent \u306e\u5229\u7528 \u30b9\u30c6\u30fc\u30c8\u30ec\u30b9\u30fb\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u30fb\u30de\u30cd\u30fc\u30b8\u30e3\u30fc Jakarta Persistence 4.0 \u3067\u306f\u3001\u3044\u308f\u3086\u308b StatelessSession \u3092\u63d0\u4f9b\u3059\u308b API \u304c\u8ffd\u52a0\u3055\u308c\u305f\u3002 StatelessSession \u306f\u3001\u6c38\u7d9a\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3092\u6301\u305f\u305a\u3001\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306f\u5e38\u306b\u30c7\u30bf\u30c3\u30c1\u3055\u308c\u305f\u72b6\u614b\u3068\u3057\u3066\u6271\u308f\u308c\u308b\u3002 \u6c38\u7d9a\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3092\u6301\u305f\u306a\u3044\u305f\u3081\u3001dirty checking \u3084 lazy loading\u3001cascading\u3001first-level cache \u306a\u3069\u306e\u6a5f\u80fd\u306f\u5229\u7528\u3067\u304d\u306a\u3044\u304c\u3001\u76f4\u63a5\u7684\u306a\u30c7\u30fc\u30bf\u64cd\u4f5c\u304c\u53ef\u80fd\u3068\u306a\u308b\u3002\u2026","provider_url":"https://hatena.blog","type":"rich","author_name":"Naotsugu","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/N/Naotsugu/20251217/20251217180124.png","author_url":"https://blog.hatena.ne.jp/Naotsugu/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog1.mammb.com%2Fentry%2F2026%2F03%2F07%2F000000\" title=\"Jakarta Persistence 4.0 - \u30b9\u30c6\u30fc\u30c8\u30ec\u30b9\u30fb\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u30fb\u30de\u30cd\u30fc\u30b8\u30e3\u30fc - - A Memorandum\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://blog1.mammb.com/entry/2026/03/07/000000","height":"190","title":"Jakarta Persistence 4.0 - \u30b9\u30c6\u30fc\u30c8\u30ec\u30b9\u30fb\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u30fb\u30de\u30cd\u30fc\u30b8\u30e3\u30fc -"}