{"id":25946,"date":"2024-03-16T05:55:45","date_gmt":"2024-03-16T05:55:45","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-implement-mapping-of-hibernate-array-objects\/"},"modified":"2024-03-22T07:24:00","modified_gmt":"2024-03-22T07:24:00","slug":"how-to-implement-mapping-of-hibernate-array-objects","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-implement-mapping-of-hibernate-array-objects\/","title":{"rendered":"How to implement mapping of Hibernate array objects?"},"content":{"rendered":"<p>In Hibernate, you can use the @ElementCollection annotation to map an array object to the database.<\/p>\n<p>Firstly, you need to define an array object property in the entity class and annotate it with @ElementCollection. Additionally, you must specify the @CollectionTable and @Column annotations to define the name of the collection table and column.<\/p>\n<p>For example, consider a User entity class with an array object addresses of type String, which can be mapped in the following way:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">@Entity<\/span>\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">User<\/span> {\r\n    <span class=\"hljs-meta\">@Id<\/span>\r\n    <span class=\"hljs-keyword\">private<\/span> Long id;\r\n    \r\n    <span class=\"hljs-meta\">@ElementCollection<\/span>\r\n    <span class=\"hljs-meta\">@CollectionTable(name = \"user_addresses\", joinColumns = @JoinColumn(name = \"user_id\"))<\/span>\r\n    <span class=\"hljs-meta\">@Column(name = \"address\")<\/span>\r\n    <span class=\"hljs-keyword\">private<\/span> String[] addresses;\r\n\r\n    <span class=\"hljs-comment\">\/\/ getters and setters<\/span>\r\n}\r\n<\/code><\/pre>\n<p>In the above code, the @ElementCollection annotation is used to indicate that the property is a collection type, the @CollectionTable annotation is used to specify the name of the collection table as &#8220;user_addresses&#8221;, and the joinColumns attribute is used to specify the associated field with the User table. The @Column annotation is used to specify the column name in the collection table as &#8220;address&#8221;.<\/p>\n<p>In this way, when saving a User entity object, the addresses array will be mapped to a collection table named &#8220;user_addresses&#8221;, where each address will be saved in a row of that table.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In Hibernate, you can use the @ElementCollection annotation to map an array object to the database. Firstly, you need to define an array object property in the entity class and annotate it with @ElementCollection. Additionally, you must specify the @CollectionTable and @Column annotations to define the name of the collection table and column. For example, [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-25946","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to implement mapping of Hibernate array objects? - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/blog\/how-to-implement-mapping-of-hibernate-array-objects\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to implement mapping of Hibernate array objects?\" \/>\n<meta property=\"og:description\" content=\"In Hibernate, you can use the @ElementCollection annotation to map an array object to the database. Firstly, you need to define an array object property in the entity class and annotate it with @ElementCollection. Additionally, you must specify the @CollectionTable and @Column annotations to define the name of the collection table and column. For example, [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-to-implement-mapping-of-hibernate-array-objects\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-16T05:55:45+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-22T07:24:00+00:00\" \/>\n<meta name=\"author\" content=\"Sophia Anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:site\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Sophia Anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-implement-mapping-of-hibernate-array-objects\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-implement-mapping-of-hibernate-array-objects\/\"},\"author\":{\"name\":\"Sophia Anderson\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/19a24313de9c988db3d69226b4a40a30\"},\"headline\":\"How to implement mapping of Hibernate array objects?\",\"datePublished\":\"2024-03-16T05:55:45+00:00\",\"dateModified\":\"2024-03-22T07:24:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-implement-mapping-of-hibernate-array-objects\/\"},\"wordCount\":183,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-implement-mapping-of-hibernate-array-objects\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/how-to-implement-mapping-of-hibernate-array-objects\/\",\"name\":\"How to implement mapping of Hibernate array objects? 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