{"title":"\u5916\u90e8\u96c6\u7d04\u30eb\u30fc\u30c8\u53c2\u7167\u306e\u95a2\u9023\u3092\u8868\u73fe\u3059\u308b Association \u30aa\u30d6\u30b8\u30a7\u30af\u30c8","blog_url":"https://blog1.mammb.com/","blog_title":"A Memorandum","version":"1.0","width":"100%","author_url":"https://blog.hatena.ne.jp/Naotsugu/","author_name":"Naotsugu","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog1.mammb.com%2Fentry%2F2024%2F07%2F20%2F000000\" title=\"\u5916\u90e8\u96c6\u7d04\u30eb\u30fc\u30c8\u53c2\u7167\u306e\u95a2\u9023\u3092\u8868\u73fe\u3059\u308b Association \u30aa\u30d6\u30b8\u30a7\u30af\u30c8 - 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>","categories":[],"provider_url":"https://hatena.blog","height":"190","type":"rich","description":"\u306f\u3058\u3081\u306b \u3053\u306e\u8a18\u4e8b\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u306e\u88dc\u8db3\u8aac\u660e\u3067\u3059\u3002 blog1.mammb.com \u8b58\u5225\u5b50\u306b\u3088\u308b\u5916\u90e8\u306e\u96c6\u7d04\u306e\u53c2\u7167 \u96c6\u7d04\u30eb\u30fc\u30c8\u3067\u3042\u308b\u4ee5\u4e0b\u306e\u3088\u3046\u306a Order \u304c\u3042\u308b\u3002 @Entity public class Order { @Id private Long id; @OneToMany private List<LineItem> lineItems; @ManyToOne private Customer customer; } \u6ce8\u6587\u660e\u7d30\u3067\u3042\u308b lineItem \u306f Order \u306e\u96c6\u7d04\u306b\u5c5e\u3059\u308b\u304c\u3001Customer \u306f\u96c6\u7d04\u306e\u5916\u5074\u306b\u3042\u308b\u3002 \u540c\u4e00\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u3001\u53c2\u7167\u3059\u308b\u5074\u306e Order \u3068\u3001\u53c2\u2026","published":"2024-07-20 00:00:00","image_url":null,"url":"https://blog1.mammb.com/entry/2024/07/20/000000"}