{"id":1333,"date":"2021-12-17T15:25:19","date_gmt":"2021-12-17T10:25:19","guid":{"rendered":"https:\/\/www.katebeckinsalegallery.com\/?p=1333"},"modified":"2021-12-27T15:33:02","modified_gmt":"2021-12-27T10:33:02","slug":"criteria-jpa-2-join-many-to-many-unidirectional-realtion","status":"publish","type":"post","link":"https:\/\/www.katebeckinsalegallery.com\/criteria-jpa-2-join-many-to-many-unidirectional-realtion\/","title":{"rendered":"Criteria JPA 2 join many to many unidirectional realtion"},"content":{"rendered":"<p>I have two entities, Movie and Genre, with a many to many relationship from genre to movie. Genre being the &#8220;parent&#8221; of the relationship.<br \/>\nThis generates three tables:\u00a0<code>genre<\/code>,\u00a0<code>movie<\/code>\u00a0and\u00a0<code>genre_movie<\/code><\/p>\n<pre class=\"lang-java s-code-block\"><code class=\"hljs language-java\"><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_\">Genre<\/span> {\r\n  <span class=\"hljs-meta\">@Id<\/span>\r\n  <span class=\"hljs-meta\">@GeneratedValue(strategy = AUTO)<\/span>\r\n  <span class=\"hljs-keyword\">private<\/span> Long id;\r\n\r\n  <span class=\"hljs-meta\">@ManyToMany(fetch = LAZY)<\/span>\r\n  <span class=\"hljs-meta\">@JoinTable( name = \"genre_movie\",\r\n    joinColumns = {@JoinColumn(name = \"genre_id\")},\r\n    inverseJoinColumns = {@JoinColumn(name = \"movie_id\")}\r\n  )<\/span>\r\n  <span class=\"hljs-keyword\">private<\/span> Set&lt;Movie&gt; movies = <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">HashSet<\/span>&lt;&gt;();\r\n\r\n  ...\r\n}\r\n\r\n\r\n<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_\">Movie<\/span> {\r\n  <span class=\"hljs-meta\">@Id<\/span>\r\n  <span class=\"hljs-meta\">@GeneratedValue(strategy = AUTO)<\/span>\r\n  <span class=\"hljs-keyword\">private<\/span> Long id;\r\n  ...\r\n}\r\n<\/code><\/pre>\n<p><a href=\"https:\/\/i.stack.imgur.com\/yzbHG.png\" rel=\"nofollow noreferrer\"><img decoding=\"async\" src=\"https:\/\/i.stack.imgur.com\/yzbHG.png\" alt=\"Entity Diagram\" \/><\/a><\/p>\n<p>I it possible perform this query using the criteria query api? Filter movies based on their genre id.<\/p>\n<pre class=\"lang-sql s-code-block\"><code class=\"hljs language-sql\"><span class=\"hljs-keyword\">select<\/span> <span class=\"hljs-operator\">*<\/span>\r\n<span class=\"hljs-keyword\">from<\/span> movie\r\n  <span class=\"hljs-keyword\">join<\/span> genre_movie <span class=\"hljs-keyword\">on<\/span> movie.id <span class=\"hljs-operator\">=<\/span> genre_movie.movie_id\r\n<span class=\"hljs-keyword\">where<\/span> genre_id <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-number\">19<\/span>;<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>I have two entities, Movie and Genre, with a many to many relationship from genre to movie. Genre being the &#8220;parent&#8221; of the relationship. This generates three tables:\u00a0genre,\u00a0movie\u00a0and\u00a0genre_movie @Entity public class Genre { @Id @GeneratedValue(strategy = AUTO) private Long id;<a class=\"moretag\" href=\"https:\/\/www.katebeckinsalegallery.com\/criteria-jpa-2-join-many-to-many-unidirectional-realtion\/\"> Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[64],"tags":[6925,6923,6921,6924,6922],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Criteria JPA 2 join many to many unidirectional realtion - KateBeckin Sale Gallery<\/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.katebeckinsalegallery.com\/criteria-jpa-2-join-many-to-many-unidirectional-realtion\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Criteria JPA 2 join many to many unidirectional realtion - KateBeckin Sale Gallery\" \/>\n<meta property=\"og:description\" content=\"I have two entities, Movie and Genre, with a many to many relationship from genre to movie. Genre being the &#8220;parent&#8221; of the relationship. This generates three tables:\u00a0genre,\u00a0movie\u00a0and\u00a0genre_movie @Entity public class Genre { @Id @GeneratedValue(strategy = AUTO) private Long id; Read More\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.katebeckinsalegallery.com\/criteria-jpa-2-join-many-to-many-unidirectional-realtion\/\" \/>\n<meta property=\"og:site_name\" content=\"KateBeckin Sale Gallery\" \/>\n<meta property=\"article:published_time\" content=\"2021-12-17T10:25:19+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-12-27T10:33:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/i.stack.imgur.com\/yzbHG.png\" \/>\n<meta name=\"author\" content=\"Steffy Alen\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Steffy Alen\" \/>\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.katebeckinsalegallery.com\/criteria-jpa-2-join-many-to-many-unidirectional-realtion\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.katebeckinsalegallery.com\/criteria-jpa-2-join-many-to-many-unidirectional-realtion\/\"},\"author\":{\"name\":\"Steffy Alen\",\"@id\":\"https:\/\/www.katebeckinsalegallery.com\/#\/schema\/person\/1166481eb890b57fe129636d7da06053\"},\"headline\":\"Criteria JPA 2 join many to many unidirectional realtion\",\"datePublished\":\"2021-12-17T10:25:19+00:00\",\"dateModified\":\"2021-12-27T10:33:02+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.katebeckinsalegallery.com\/criteria-jpa-2-join-many-to-many-unidirectional-realtion\/\"},\"wordCount\":55,\"publisher\":{\"@id\":\"https:\/\/www.katebeckinsalegallery.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.katebeckinsalegallery.com\/criteria-jpa-2-join-many-to-many-unidirectional-realtion\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/i.stack.imgur.com\/yzbHG.png\",\"keywords\":[\"criteria-api\",\"hibernate\",\"java\",\"jpa\",\"sql\"],\"articleSection\":[\"More\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.katebeckinsalegallery.com\/criteria-jpa-2-join-many-to-many-unidirectional-realtion\/\",\"url\":\"https:\/\/www.katebeckinsalegallery.com\/criteria-jpa-2-join-many-to-many-unidirectional-realtion\/\",\"name\":\"Criteria JPA 2 join many to many unidirectional realtion - 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This generates three tables:\u00a0genre,\u00a0movie\u00a0and\u00a0genre_movie @Entity public class Genre { @Id @GeneratedValue(strategy = AUTO) private Long id; Read More","og_url":"https:\/\/www.katebeckinsalegallery.com\/criteria-jpa-2-join-many-to-many-unidirectional-realtion\/","og_site_name":"KateBeckin Sale Gallery","article_published_time":"2021-12-17T10:25:19+00:00","article_modified_time":"2021-12-27T10:33:02+00:00","og_image":[{"url":"https:\/\/i.stack.imgur.com\/yzbHG.png"}],"author":"Steffy Alen","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Steffy Alen","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.katebeckinsalegallery.com\/criteria-jpa-2-join-many-to-many-unidirectional-realtion\/#article","isPartOf":{"@id":"https:\/\/www.katebeckinsalegallery.com\/criteria-jpa-2-join-many-to-many-unidirectional-realtion\/"},"author":{"name":"Steffy Alen","@id":"https:\/\/www.katebeckinsalegallery.com\/#\/schema\/person\/1166481eb890b57fe129636d7da06053"},"headline":"Criteria JPA 2 join many to many unidirectional realtion","datePublished":"2021-12-17T10:25:19+00:00","dateModified":"2021-12-27T10:33:02+00:00","mainEntityOfPage":{"@id":"https:\/\/www.katebeckinsalegallery.com\/criteria-jpa-2-join-many-to-many-unidirectional-realtion\/"},"wordCount":55,"publisher":{"@id":"https:\/\/www.katebeckinsalegallery.com\/#organization"},"image":{"@id":"https:\/\/www.katebeckinsalegallery.com\/criteria-jpa-2-join-many-to-many-unidirectional-realtion\/#primaryimage"},"thumbnailUrl":"https:\/\/i.stack.imgur.com\/yzbHG.png","keywords":["criteria-api","hibernate","java","jpa","sql"],"articleSection":["More"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.katebeckinsalegallery.com\/criteria-jpa-2-join-many-to-many-unidirectional-realtion\/","url":"https:\/\/www.katebeckinsalegallery.com\/criteria-jpa-2-join-many-to-many-unidirectional-realtion\/","name":"Criteria JPA 2 join many to many unidirectional realtion - 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