\u4eca\u65e5\u306f\u3001Hibernate\u306b\u304a\u3051\u308bOne To Many Mapping\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3059\u3002\u6ce8\u91c8\u3068XML\u8a2d\u5b9a\u3092\u4f7f\u7528\u3057\u305fHibernate\u306eOne To Many Mapping\u306e\u4f8b\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n
\u7c21\u5358\u306b\u8a00\u3046\u3068\u3001\u4e00\u5bfe\u591a\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u3068\u306f\u3001\u3042\u308b\u30c6\u30fc\u30d6\u30eb\u306e1\u884c\u304c\u4ed6\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u8907\u6570\u306e\u884c\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3055\u308c\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u30ab\u30fc\u30c8\u30b7\u30b9\u30c6\u30e0\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u5546\u54c1\u306e\u305f\u3081\u306b\u5225\u306e\u30c6\u30fc\u30d6\u30eb\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\u30ab\u30fc\u30c8\u306b\u306f\u8907\u6570\u306e\u5546\u54c1\u304c\u5165\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u3001\u3053\u3053\u3067\u4e00\u5bfe\u591a\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u304c\u884c\u308f\u308c\u307e\u3059\u3002\u79c1\u305f\u3061\u306f\u3001Hibernate\u306e\u4e00\u5bfe\u591a\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u306e\u4f8b\u3068\u3057\u3066\u3001\u30ab\u30fc\u30c8\u3068\u5546\u54c1\u306e\u30b7\u30ca\u30ea\u30aa\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n
\uff11\u5bfe\u591a\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u306b\u306f\u3001\u5916\u90e8\u30ad\u30fc\u5236\u7d04\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u3001Cart\u30c6\u30fc\u30d6\u30eb\u3068Items\u30c6\u30fc\u30d6\u30eb\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u793a\u3057\u307e\u3059\u3002Hibernate\u306e\uff11\u5bfe\u591a\u30de\u30c3\u30d4\u30f3\u30b0\u306e\u4f8b\u3068\u3057\u3066MySQL\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002setup.sql\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
CREATE TABLE `Cart` (\r\n `cart_id` int(11) unsigned NOT NULL AUTO_INCREMENT,\r\n `total` decimal(10,0) NOT NULL,\r\n `name` varchar(10) DEFAULT NULL,\r\n PRIMARY KEY (`cart_id`)\r\n) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8;\r\n\r\nCREATE TABLE `Items` (\r\n `id` int(11) unsigned NOT NULL AUTO_INCREMENT,\r\n `cart_id` int(11) unsigned NOT NULL,\r\n `item_id` varchar(10) NOT NULL,\r\n `item_total` decimal(10,0) NOT NULL,\r\n `quantity` int(3) NOT NULL,\r\n PRIMARY KEY (`id`),\r\n KEY `cart_id` (`cart_id`),\r\n CONSTRAINT `items_ibfk_1` FOREIGN KEY (`cart_id`) REFERENCES `Cart` (`cart_id`)\r\n) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=utf8;\r\n<\/code><\/pre>\n\u4ee5\u4e0b\u306f\u3001\u30ab\u30fc\u30c8\u3068\u30a2\u30a4\u30c6\u30e0\u306e\u30c6\u30fc\u30d6\u30eb\u306eER\u56f3\u3067\u3059\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u8a2d\u5b9a\u306f\u5b8c\u4e86\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u6b21\u306bHibernate\u306e\u4e00\u5bfe\u591a\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u4f8b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u4f5c\u6210\u306b\u9032\u307f\u307e\u3057\u3087\u3046\u3002\u307e\u305a\u6700\u521d\u306b\u3001XML\u30d9\u30fc\u30b9\u306e\u8a2d\u5b9a\u3092\u4f7f\u7528\u3057\u3001\u6b21\u306bHibernate\u3068JPA\u306e\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u4e00\u5bfe\u591a\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u3092\u5b9f\u88c5\u3057\u307e\u3059\u3002<\/p>\n
\u30cf\u30a4\u30d0\u30cd\u30a4\u30c8\u306e\u4e00\u5bfe\u591a\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u69cb\u9020<\/h3>\n
\u304a\u6c17\u306b\u5165\u308a\u306eIDE\u3001\u307e\u305f\u306fEclipse\u3067\u7c21\u5358\u306aMaven\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3001\u6700\u7d42\u7684\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u69cb\u9020\u306f\u4ee5\u4e0b\u306e\u753b\u50cf\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u30d2\u30d9\u30eb\u30cd\u30a4\u30c8\u306eMaven\u4f9d\u5b58\u95a2\u4fc2<\/h3>\n
\u79c1\u305f\u3061\u306e\u6700\u7d42\u7684\u306apom.xml\u30d5\u30a1\u30a4\u30eb\u306b\u306f\u3001Hibernate\u3068MySQL\u30c9\u30e9\u30a4\u30d0\u30fc\u306e\u4f9d\u5b58\u95a2\u4fc2\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002Hibernate\u306fJBoss\u306e\u30ed\u30b0\u3092\u4f7f\u7528\u3057\u3001\u305d\u308c\u306f\u81ea\u52d5\u7684\u306b\u63a8\u79fb\u7684\u306a\u4f9d\u5b58\u95a2\u4fc2\u3068\u3057\u3066\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002<\/p>\n
<project xmlns=\"https:\/\/maven.apache.org\/POM\/4.0.0\" xmlns:xsi=\"https:\/\/www.w3.org\/2001\/XMLSchema-instance\" xsi:schemaLocation=\"https:\/\/maven.apache.org\/POM\/4.0.0 https:\/\/maven.apache.org\/xsd\/maven-4.0.0.xsd\">\r\n <modelVersion>4.0.0<\/modelVersion>\r\n <groupId>com.scdev.hibernate<\/groupId>\r\n <artifactId>HibernateOneToManyMapping<\/artifactId>\r\n <version>0.0.1-SNAPSHOT<\/version>\r\n \r\n <dependencies>\r\n \t<dependency>\r\n \t\t<groupId>org.hibernate<\/groupId>\r\n \t\t<artifactId>hibernate-core<\/artifactId>\r\n \t\t<version>4.3.5.Final<\/version>\r\n \t<\/dependency>\r\n \t<dependency>\r\n \t\t<groupId>mysql<\/groupId>\r\n \t\t<artifactId>mysql-connector-java<\/artifactId>\r\n \t\t<version>5.0.5<\/version>\r\n \t<\/dependency>\r\n <\/dependencies>\r\n \r\n<\/project>\r\n<\/code><\/pre>\n\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306b\u57fa\u3065\u3044\u3066\u3001\u6700\u65b0\u306eHibernate\u30d0\u30fc\u30b8\u30e7\u30f34.3.5.Final\u3068MySQL\u30c9\u30e9\u30a4\u30d0\u30fc\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
\u30cd\u30a4\u30c6\u30a3\u30d6\u306a\u65e5\u672c\u8a9e\u3067\u4ee5\u4e0b\u3092\u8a00\u3044\u63db\u3048\u308b\u3068\u3001\u6b21\u306e\u901a\u308a\u3067\u3059\u3002
\nHibernate\u306e\u4e00\u5bfe\u591a\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u30e2\u30c7\u30eb\u30af\u30e9\u30b9<\/h3>\n
\u30c6\u30fc\u30d6\u30eb Cart \u3068 Items \u306e\u305f\u3081\u306b\u3001\u305d\u308c\u3089\u3092\u53cd\u6620\u3059\u308b\u305f\u3081\u306e\u30e2\u30c7\u30eb\u30af\u30e9\u30b9\u304c\u3042\u308a\u307e\u3059\u3002Cart.java<\/p>\n
package com.scdev.hibernate.model;\r\n\r\nimport java.util.Set;\r\n\r\npublic class Cart {\r\n\r\n\tprivate long id;\r\n\tprivate double total;\r\n\tprivate String name;\r\n\tprivate Set<Items> items;\r\n\t\r\n\tpublic long getId() {\r\n\t\treturn id;\r\n\t}\r\n\tpublic void setId(long id) {\r\n\t\tthis.id = id;\r\n\t}\r\n\tpublic double getTotal() {\r\n\t\treturn total;\r\n\t}\r\n\tpublic void setTotal(double total) {\r\n\t\tthis.total = total;\r\n\t}\r\n\tpublic String getName() {\r\n\t\treturn name;\r\n\t}\r\n\tpublic void setName(String name) {\r\n\t\tthis.name = name;\r\n\t}\r\n\tpublic Set<Items> getItems() {\r\n\t\treturn items;\r\n\t}\r\n\tpublic void setItems(Set<Items> items) {\r\n\t\tthis.items = items;\r\n\t}\r\n\t\r\n}\r\n<\/code><\/pre>\n\u79c1\u306fSet of Items\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u3059\u3079\u3066\u306e\u30ec\u30b3\u30fc\u30c9\u304c\u30e6\u30cb\u30fc\u30af\u3067\u3059\u3002Hibernate\u3067\u306f\u3001\u4e00\u5bfe\u591a\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u306b\u306fList\u307e\u305f\u306fArray\u3082\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002Items.java<\/p>\n
package com.scdev.hibernate.model;\r\n\r\npublic class Items {\r\n\r\n\tprivate long id;\r\n\tprivate String itemId;\r\n\tprivate double itemTotal;\r\n\tprivate int quantity;\r\n\tprivate Cart cart;\r\n\t\r\n\t\/\/Hibernate requires no-args constructor\r\n\tpublic Items(){}\r\n\t\r\n\tpublic Items(String itemId, double total, int qty, Cart c){\r\n\t\tthis.itemId=itemId;\r\n\t\tthis.itemTotal=total;\r\n\t\tthis.quantity=qty;\r\n\t\tthis.cart=c;\r\n\t}\r\n\tpublic String getItemId() {\r\n\t\treturn itemId;\r\n\t}\r\n\tpublic void setItemId(String itemId) {\r\n\t\tthis.itemId = itemId;\r\n\t}\r\n\tpublic double getItemTotal() {\r\n\t\treturn itemTotal;\r\n\t}\r\n\tpublic void setItemTotal(double itemTotal) {\r\n\t\tthis.itemTotal = itemTotal;\r\n\t}\r\n\tpublic int getQuantity() {\r\n\t\treturn quantity;\r\n\t}\r\n\tpublic void setQuantity(int quantity) {\r\n\t\tthis.quantity = quantity;\r\n\t}\r\n\tpublic Cart getCart() {\r\n\t\treturn cart;\r\n\t}\r\n\tpublic void setCart(Cart cart) {\r\n\t\tthis.cart = cart;\r\n\t}\r\n\tpublic long getId() {\r\n\t\treturn id;\r\n\t}\r\n\tpublic void setId(long id) {\r\n\t\tthis.id = id;\r\n\t}\r\n\t\r\n}\r\n<\/code><\/pre>\n\u30a2\u30a4\u30c6\u30e0\u306f\u30ab\u30fc\u30c8\u306b\u5bfe\u3057\u3066\u591a\u5bfe\u4e00\u306e\u95a2\u4fc2\u3092\u6301\u3064\u305f\u3081\u3001\u30ab\u30fc\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u306f\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u6301\u3064\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n
\u30d2\u30d9\u30eb\u30cd\u30fc\u30c8\u306eSessionFactory\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30af\u30e9\u30b9<\/h3>\n
\u79c1\u305f\u3061\u306f\u3001Hibernate\u306eSessionFactory\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30af\u30e9\u30b9\u3067\u3042\u308bHibernateUtil.java\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
package com.scdev.hibernate.util;\r\n\r\nimport org.hibernate.SessionFactory;\r\nimport org.hibernate.boot.registry.StandardServiceRegistryBuilder;\r\nimport org.hibernate.cfg.Configuration;\r\nimport org.hibernate.service.ServiceRegistry;\r\n\r\npublic class HibernateUtil {\r\n\r\n\tprivate static SessionFactory sessionFactory;\r\n\t\r\n\tprivate static SessionFactory buildSessionFactory() {\r\n try {\r\n \/\/ Create the SessionFactory from hibernate.cfg.xml\r\n \tConfiguration configuration = new Configuration();\r\n \tconfiguration.configure(\"hibernate.cfg.xml\");\r\n \tSystem.out.println(\"Hibernate Configuration loaded\");\r\n \t\r\n \tServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder().applySettings(configuration.getProperties()).build();\r\n \tSystem.out.println(\"Hibernate serviceRegistry created\");\r\n \t\r\n \tSessionFactory sessionFactory = configuration.buildSessionFactory(serviceRegistry);\r\n \t\r\n return sessionFactory;\r\n }\r\n catch (Throwable ex) {\r\n System.err.println(\"Initial SessionFactory creation failed.\" + ex);\r\n ex.printStackTrace();\r\n throw new ExceptionInInitializerError(ex);\r\n }\r\n }\r\n\t\r\n\tpublic static SessionFactory getSessionFactory() {\r\n\t\tif(sessionFactory == null) sessionFactory = buildSessionFactory();\r\n return sessionFactory;\r\n }\r\n}\r\n<\/code><\/pre>\n\u30d2\u30d9\u30eb\u30cd\u30fc\u30c8\u306e\u8a2d\u5b9aXML\u30d5\u30a1\u30a4\u30eb<\/h3>\n
\u79c1\u305f\u3061\u306e\u30cf\u30a4\u30d0\u30cd\u30fc\u30c8\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3067\u3042\u308bxml\u30d5\u30a1\u30a4\u30eb\u306b\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u60c5\u5831\u3068\u30de\u30c3\u30d4\u30f3\u30b0\u30ea\u30bd\u30fc\u30b9\u306e\u8a73\u7d30\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002hibernate.cfg.xml<\/p>\n
<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n<!DOCTYPE hibernate-configuration PUBLIC\r\n\t\t\"-\/\/Hibernate\/Hibernate Configuration DTD 3.0\/\/EN\"\r\n\t\t\"https:\/\/hibernate.org\/dtd\/hibernate-configuration-3.0.dtd\">\r\n<hibernate-configuration>\r\n <session-factory>\r\n <property name=\"hibernate.connection.driver_class\">com.mysql.jdbc.Driver<\/property>\r\n <property name=\"hibernate.connection.password\">scdev123<\/property>\r\n <property name=\"hibernate.connection.url\">jdbc:mysql:\/\/localhost\/TestDB<\/property>\r\n <property name=\"hibernate.connection.username\">scdev<\/property>\r\n <property name=\"hibernate.dialect\">org.hibernate.dialect.MySQLDialect<\/property>\r\n \r\n <property name=\"hibernate.current_session_context_class\">thread<\/property>\r\n <property name=\"hibernate.show_sql\">true<\/property>\r\n \r\n <mapping resource=\"cart.hbm.xml\"\/>\r\n <mapping resource=\"items.hbm.xml\"\/>\r\n <\/session-factory>\r\n<\/hibernate-configuration>\r\n<\/code><\/pre>\n\u30cd\u30a4\u30c6\u30a3\u30d6\u306a\u65e5\u672c\u8a9e\u3067\u4ee5\u4e0b\u3092\u8a00\u3044\u63db\u3048\u308b\u3068\u3001\u30d2\u30d9\u30eb\u30cd\u30fc\u30c8\u306e\u30ef\u30f3\u30fb\u30c8\u30a5\u30fb\u30e1\u30cb\u30fc\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u4f8b – XML\u69cb\u6210<\/h3>\n
\u30d2\u30d9\u30eb\u30cd\u30fc\u30c8\u306e\u30ef\u30f3\u30fb\u30c8\u30a5\u30fb\u30e1\u30cb\u30fc\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u4f8b\u306b\u3064\u3044\u3066\u3001XML\u8a2d\u5b9a\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306e\u6700\u3082\u91cd\u8981\u306a\u90e8\u5206\u306f\u3001Hibernate\u3067\u306e1\u5bfe\u591a\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u306b\u304a\u3044\u3066Cart\u30af\u30e9\u30b9\u3068Items\u30af\u30e9\u30b9\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u65b9\u6cd5\u3092\u898b\u3066\u3044\u304f\u3053\u3068\u3067\u3059\u3002cart.hbm.xml\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
<?xml version=\"1.0\"?>\r\n<!DOCTYPE hibernate-mapping PUBLIC \"-\/\/Hibernate\/Hibernate Mapping DTD 3.0\/\/EN\"\r\n\t\"https:\/\/hibernate.org\/dtd\/hibernate-mapping-3.0.dtd\">\r\n\t\r\n<hibernate-mapping package=\"com.scdev.hibernate.model\">\r\n\t<class name=\"Cart\" table=\"CART\" >\r\n\t\t<id name=\"id\" type=\"long\">\r\n\t\t\t<column name=\"cart_id\" \/>\r\n\t\t\t<generator class=\"identity\" \/>\r\n\t\t<\/id>\r\n\t\t<property name=\"total\" type=\"double\">\r\n\t\t\t<column name=\"total\" \/>\r\n\t\t<\/property>\r\n\t\t<property name=\"name\" type=\"string\">\r\n\t\t\t<column name=\"name\" \/>\r\n\t\t<\/property>\r\n\t\t<set name=\"items\" table=\"ITEMS\" fetch=\"select\">\r\n\t\t\t<key>\r\n\t\t\t\t<column name=\"cart_id\" not-null=\"true\"><\/column>\r\n\t\t\t<\/key>\r\n\t\t\t<one-to-many class=\"Items\"\/>\r\n\t\t<\/set>\r\n\t<\/class>\r\n\t\r\n<\/hibernate-mapping>\r\n<\/code><\/pre>\n\u91cd\u8981\u306a\u90e8\u5206\u306f\u30bb\u30c3\u30c8\u8981\u7d20\u3068\u305d\u306e\u4e2d\u306b\u542b\u307e\u308c\u308b\u4e00\u5bfe\u591a\u306e\u8981\u7d20\u3067\u3059\u3002\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3001\u79c1\u305f\u3061\u306f\u4e00\u5bfe\u591a\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u306b\u4f7f\u7528\u3055\u308c\u308b\u30ad\u30fc\uff08cart_id\uff09\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002items.hbm.xml<\/p>\n
<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n<!DOCTYPE hibernate-mapping PUBLIC \"-\/\/Hibernate\/Hibernate Mapping DTD 3.0\/\/EN\" \r\n\"https:\/\/hibernate.org\/dtd\/hibernate-mapping-3.0.dtd\" >\r\n\r\n<hibernate-mapping package=\"com.scdev.hibernate.model\">\r\n\r\n\t<class name=\"Items\" table=\"ITEMS\">\r\n\t\t<id name=\"id\" type=\"long\">\r\n\t\t\t<column name=\"id\" \/>\r\n\t\t\t<generator class=\"identity\" \/>\r\n\t\t<\/id>\r\n\t\t<property name=\"itemId\" type=\"string\">\r\n\t\t\t<column name=\"item_id\"><\/column>\r\n\t\t<\/property>\r\n\t\t<property name=\"itemTotal\" type=\"double\">\r\n\t\t\t<column name=\"item_total\"><\/column>\r\n\t\t<\/property>\r\n\t\t<property name=\"quantity\" type=\"integer\">\r\n\t\t\t<column name=\"quantity\"><\/column>\r\n\t\t<\/property>\r\n\t\t\r\n\t\t<many-to-one name=\"cart\" class=\"Cart\">\r\n\t\t\t<column name=\"cart_id\" not-null=\"true\"><\/column>\r\n\t\t<\/many-to-one>\r\n\t<\/class>\r\n\r\n<\/hibernate-mapping>\r\n<\/code><\/pre>\n\u30a2\u30a4\u30c6\u30e0\u304b\u3089\u30ab\u30fc\u30c8\u3078\u306e\u95a2\u4fc2\u306f1\u5bfe\u591a\u306e\u95a2\u4fc2\u3067\u3042\u308b\u3053\u3068\u306b\u6c17\u3065\u3044\u3066\u304f\u3060\u3055\u3044\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30ab\u30fc\u30c8\u306b\u306f1\u5bfe\u591a\u306e\u8981\u7d20\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u30ad\u30fc\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u308b\u5217\u540d\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001Cart\u306eHibernate\u30de\u30c3\u30d4\u30f3\u30b0\u69cb\u6210\u306b\u57fa\u3065\u3044\u3066\u3001\u30ad\u30fc\u3068\u3057\u3066cart_id\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002XML\u30de\u30c3\u30d4\u30f3\u30b0\u3092\u4f7f\u7528\u3057\u305fHibernate One To Many Mapping\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304c\u6e96\u5099\u3067\u304d\u307e\u3057\u305f\u306e\u3067\u3001\u30c6\u30b9\u30c8\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u3044\u3066\u6b63\u5e38\u306b\u52d5\u4f5c\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u30cd\u30a4\u30c6\u30a3\u30d6\u65e5\u672c\u8a9e\u3067\u6b21\u306e\u6587\u3092\u8a00\u3044\u63db\u3048\u3066\u304f\u3060\u3055\u3044\u30021\u3064\u3060\u3051\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u5fc5\u8981\u3067\u3059\uff1a
\nHibernate\u306eOneToMany\u30de\u30c3\u30d4\u30f3\u30b0\u306e\u4f8b-\u30c6\u30b9\u30c8\u30d7\u30ed\u30b0\u30e9\u30e0<\/h3>\n
HibernateOneToManyMain.java\u3092\u65e5\u672c\u8a9e\u3067\u81ea\u7136\u306b\u8a00\u3044\u63db\u3048\u308b\u3068\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\uff1a “HibernateOneToManyMain.java”<\/p>\n
package com.scdev.hibernate.main;\r\n\r\nimport java.util.HashSet;\r\nimport java.util.Set;\r\n\r\nimport org.hibernate.Session;\r\nimport org.hibernate.SessionFactory;\r\nimport org.hibernate.Transaction;\r\n\r\nimport com.scdev.hibernate.model.Cart;\r\nimport com.scdev.hibernate.model.Items;\r\nimport com.scdev.hibernate.util.HibernateUtil;\r\n\r\npublic class HibernateOneToManyMain {\r\n\r\n\tpublic static void main(String[] args) {\r\n\r\n\t\tCart cart = new Cart();\r\n\t\tcart.setName(\"MyCart\");\r\n\t\t\r\n\t\tItems item1 = new Items(\"I1\", 10, 1, cart);\r\n\t\tItems item2 = new Items(\"I2\", 20, 2, cart);\r\n\t\tSet<Items> itemsSet = new HashSet<Items>();\r\n\t\titemsSet.add(item1); itemsSet.add(item2);\r\n\t\t\r\n\t\tcart.setItems(itemsSet);\r\n\t\tcart.setTotal(10*1 + 20*2);\r\n\t\t\r\n\t\tSessionFactory sessionFactory = null;\r\n\t\tSession session = null;\r\n\t\tTransaction tx = null;\r\n\t\ttry{\r\n\t\t\/\/Get Session\r\n\t\tsessionFactory = HibernateUtil.getSessionFactory();\r\n\t\tsession = sessionFactory.getCurrentSession();\r\n\t\tSystem.out.println(\"Session created\");\r\n\t\t\/\/start transaction\r\n\t\ttx = session.beginTransaction();\r\n\t\t\r\n\t\t\/\/Save the Model objects\r\n\t\tsession.save(cart);\r\n\t\tsession.save(item1);\r\n\t\tsession.save(item2);\r\n\t\t\r\n\t\t\/\/Commit transaction\r\n\t\ttx.commit();\r\n\t\tSystem.out.println(\"Cart ID=\"+cart.getId());\r\n\t\t\r\n\t\t}catch(Exception e){\r\n\t\t\tSystem.out.println(\"Exception occured. \"+e.getMessage());\r\n\t\t\te.printStackTrace();\r\n\t\t}finally{\r\n\t\t\tif(!sessionFactory.isClosed()){\r\n\t\t\t\tSystem.out.println(\"Closing SessionFactory\");\r\n\t\t\t\tsessionFactory.close();\r\n\t\t\t}\r\n\t\t}\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n\u4ee5\u4e0b\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001Cart\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068Items\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4e00\u3064\u305a\u3064\u4fdd\u5b58\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002Hibernate\u306fItems\u30c6\u30fc\u30d6\u30eb\u306e\u5916\u90e8\u30ad\u30fc\u306e\u66f4\u65b0\u3092\u81ea\u52d5\u7684\u306b\u51e6\u7406\u3057\u307e\u3059\u3002\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u51fa\u529b\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n
Hibernate Configuration loaded\r\nHibernate serviceRegistry created\r\nSession created\r\nHibernate: insert into CART (total, name) values (?, ?)\r\nHibernate: insert into ITEMS (item_id, item_total, quantity, cart_id) values (?, ?, ?, ?)\r\nHibernate: insert into ITEMS (item_id, item_total, quantity, cart_id) values (?, ?, ?, ?)\r\nHibernate: update ITEMS set cart_id=? where id=?\r\nHibernate: update ITEMS set cart_id=? where id=?\r\nCart ID=6\r\nClosing SessionFactory\r\n<\/code><\/pre>\n\u30d2\u30d0\u30fc\u30cd\u30fc\u30c8\u306f\u3001ITEMS\u30c6\u30fc\u30d6\u30eb\u306ecart_id\u3092\u8a2d\u5b9a\u3059\u308b\u305f\u3081\u306bUpdate\u30af\u30a8\u30ea\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
\u30cd\u30a4\u30c6\u30a3\u30d6\u306e\u65e5\u672c\u8a9e\u3067\u4ee5\u4e0b\u306e\u6587\u3092\u4e00\u3064\u6319\u3052\u3066\u8a00\u3044\u63db\u3048\u307e\u3057\u3087\u3046\uff1a
\n\u30cf\u30a4\u30d0\u30cd\u30fc\u30c8\u306e\u4e00\u5bfe\u591a\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3<\/h2>\n
XML\u30d9\u30fc\u30b9\u306e\u8a2d\u5b9a\u3092\u4f7f\u7528\u3057\u3066Hibernate\u3067One To Many\u30de\u30c3\u30d4\u30f3\u30b0\u3092\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5\u3092\u898b\u3066\u304d\u307e\u3057\u305f\u306e\u3067\u3001\u6b21\u306fJPA\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u540c\u3058\u3053\u3068\u3092\u884c\u3046\u65b9\u6cd5\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u30d2\u30d0\u30cd\u30fc\u30c8\u306eOne To Many\u30de\u30c3\u30d4\u30f3\u30b0\u306e\u4f8b\uff08\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\uff09<\/h3>\n
\u30ef\u30f3\u30aa\u30f3\u30ef\u30f3\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u306b\u306f\u3001\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u30cf\u30a4\u30d0\u30cd\u30a4\u30c8\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306f\u307b\u307c\u540c\u3058\u3067\u3059\u304c\u3001\u30de\u30c3\u30d4\u30f3\u30b0\u8981\u7d20\u306b\u5909\u66f4\u304c\u3042\u308a\u307e\u3059\u3002 hibernate-annotation.cfg.xml<\/p>\n
<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n<!DOCTYPE hibernate-configuration PUBLIC\r\n\t\t\"-\/\/Hibernate\/Hibernate Configuration DTD 3.0\/\/EN\"\r\n\t\t\"https:\/\/hibernate.org\/dtd\/hibernate-configuration-3.0.dtd\">\r\n<hibernate-configuration>\r\n <session-factory>\r\n <property name=\"hibernate.connection.driver_class\">com.mysql.jdbc.Driver<\/property>\r\n <property name=\"hibernate.connection.password\">scdev123<\/property>\r\n <property name=\"hibernate.connection.url\">jdbc:mysql:\/\/localhost\/TestDB<\/property>\r\n <property name=\"hibernate.connection.username\">scdev<\/property>\r\n <property name=\"hibernate.dialect\">org.hibernate.dialect.MySQLDialect<\/property>\r\n \r\n <property name=\"hibernate.current_session_context_class\">thread<\/property>\r\n <property name=\"hibernate.show_sql\">true<\/property>\r\n \r\n <mapping class=\"com.scdev.hibernate.model.Cart1\"\/>\r\n <mapping class=\"com.scdev.hibernate.model.Items1\"\/>\r\n <\/session-factory>\r\n<\/hibernate-configuration>\r\n<\/code><\/pre>\n\u30cd\u30a4\u30c6\u30a3\u30d6\u306a\u65e5\u672c\u8a9e\u3067\u3001\u4ee5\u4e0b\u3092\u4e00\u3064\u306e\u9078\u629e\u80a2\u3067\u8a00\u3044\u63db\u3048\u308b\u3068\uff1a
\nHibernate\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u30d5\u30a1\u30af\u30c8\u30ea\u30fc\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30af\u30e9\u30b9<\/h3>\n
\u30bb\u30c3\u30b7\u30e7\u30f3\u30d5\u30a1\u30af\u30c8\u30ea\u306e\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30af\u30e9\u30b9\u306f\u307b\u307c\u540c\u3058\u3067\u3059\u304c\u3001\u65b0\u3057\u3044Hibernate\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 HibernateAnnotationUtil.java<\/p>\n
package com.scdev.hibernate.util;\r\n\r\nimport org.hibernate.SessionFactory;\r\nimport org.hibernate.boot.registry.StandardServiceRegistryBuilder;\r\nimport org.hibernate.cfg.Configuration;\r\nimport org.hibernate.service.ServiceRegistry;\r\n\r\npublic class HibernateAnnotationUtil {\r\n\r\n\tprivate static SessionFactory sessionFactory;\r\n\t\r\n\tprivate static SessionFactory buildSessionFactory() {\r\n try {\r\n \/\/ Create the SessionFactory from hibernate-annotation.cfg.xml\r\n \tConfiguration configuration = new Configuration();\r\n \tconfiguration.configure(\"hibernate-annotation.cfg.xml\");\r\n \tSystem.out.println(\"Hibernate Annotation Configuration loaded\");\r\n \t\r\n \tServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder().applySettings(configuration.getProperties()).build();\r\n \tSystem.out.println(\"Hibernate Annotation serviceRegistry created\");\r\n \t\r\n \tSessionFactory sessionFactory = configuration.buildSessionFactory(serviceRegistry);\r\n \t\r\n return sessionFactory;\r\n }\r\n catch (Throwable ex) {\r\n System.err.println(\"Initial SessionFactory creation failed.\" + ex);\r\n ex.printStackTrace();\r\n throw new ExceptionInInitializerError(ex);\r\n }\r\n }\r\n\t\r\n\tpublic static SessionFactory getSessionFactory() {\r\n\t\tif(sessionFactory == null) sessionFactory = buildSessionFactory();\r\n return sessionFactory;\r\n }\r\n}\r\n<\/code><\/pre>\n\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u30e2\u30c7\u30eb\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057\u305fHibernate\u306e\u4e00\u5bfe\u591a\u306e\u30de\u30c3\u30d4\u30f3\u30b0<\/h3>\n
XML\u30d9\u30fc\u30b9\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u30d5\u30a1\u30a4\u30eb\u304c\u306a\u3044\u305f\u3081\u3001\u3059\u3079\u3066\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u95a2\u9023\u306e\u8a2d\u5b9a\u306fJPA\u6ce8\u91c8\u3092\u4f7f\u7528\u3057\u3066\u30e2\u30c7\u30eb\u30af\u30e9\u30b9\u3067\u884c\u308f\u308c\u307e\u3059\u3002XML\u30d9\u30fc\u30b9\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u304c\u7406\u89e3\u3067\u304d\u308c\u3070\u3001\u975e\u5e38\u306b\u7c21\u5358\u3067\u4f3c\u3066\u3044\u307e\u3059\u3002Cart1.java<\/p>\n
package com.scdev.hibernate.model;\r\n\r\nimport java.util.Set;\r\n\r\nimport javax.persistence.Column;\r\nimport javax.persistence.Entity;\r\nimport javax.persistence.GeneratedValue;\r\nimport javax.persistence.GenerationType;\r\nimport javax.persistence.Id;\r\nimport javax.persistence.OneToMany;\r\nimport javax.persistence.Table;\r\n\r\n@Entity\r\n@Table(name=\"CART\")\r\npublic class Cart1 {\r\n\r\n\t@Id\r\n\t@GeneratedValue(strategy=GenerationType.IDENTITY)\r\n\t@Column(name=\"cart_id\")\r\n\tprivate long id;\r\n\t\r\n\t@Column(name=\"total\")\r\n\tprivate double total;\r\n\t\r\n\t@Column(name=\"name\")\r\n\tprivate String name;\r\n\t\r\n\t@OneToMany(mappedBy=\"cart1\")\r\n\tprivate Set<Items1> items1;\r\n\t\r\n\/\/ Getter Setter methods for properties\r\n}\r\n<\/code><\/pre>\n\u91cd\u8981\u306a\u70b9\u306f\u3001OneToMany\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3067\u3042\u308b\u3002\u3053\u306e\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30de\u30c3\u30d4\u30f3\u30b0\u306e\u76ee\u7684\u3067Items1\u30af\u30e9\u30b9\u3067\u4f7f\u7528\u3055\u308c\u308b\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u5b9a\u7fa9\u3059\u308b\u305f\u3081\u306b\u3001mappedBy\u5909\u6570\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001Items1\u30af\u30e9\u30b9\u306b\u306f\u300ccart1\u300d\u3068\u3044\u3046\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u5fc5\u8981\u3067\u3059\u3002\u3059\u3079\u3066\u306egetter-setter\u30e1\u30bd\u30c3\u30c9\u3082\u542b\u3081\u308b\u3053\u3068\u3092\u5fd8\u308c\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002Items1.java<\/p>\n
package com.scdev.hibernate.model;\r\n\r\nimport javax.persistence.Column;\r\nimport javax.persistence.Entity;\r\nimport javax.persistence.GeneratedValue;\r\nimport javax.persistence.GenerationType;\r\nimport javax.persistence.Id;\r\nimport javax.persistence.JoinColumn;\r\nimport javax.persistence.ManyToOne;\r\nimport javax.persistence.Table;\r\n\r\n@Entity\r\n@Table(name=\"ITEMS\")\r\npublic class Items1 {\r\n\r\n\t@Id\r\n\t@GeneratedValue(strategy=GenerationType.IDENTITY)\r\n\t@Column(name=\"id\")\r\n\tprivate long id;\r\n\t\r\n\t@Column(name=\"item_id\")\r\n\tprivate String itemId;\r\n\t\r\n\t@Column(name=\"item_total\")\r\n\tprivate double itemTotal;\r\n\t\r\n\t@Column(name=\"quantity\")\r\n\tprivate int quantity;\r\n\t\r\n\t@ManyToOne\r\n\t@JoinColumn(name=\"cart_id\", nullable=false)\r\n\tprivate Cart1 cart1;\r\n\t\r\n\t\/\/Hibernate requires no-args constructor\r\n\tpublic Items1(){}\r\n\t\r\n\tpublic Items1(String itemId, double total, int qty, Cart1 c){\r\n\t\tthis.itemId=itemId;\r\n\t\tthis.itemTotal=total;\r\n\t\tthis.quantity=qty;\r\n\t\tthis.cart1=c;\r\n\t}\r\n\/\/Getter Setter methods\r\n}\r\n<\/code><\/pre>\n\u4e0a\u8a18\u306e\u30af\u30e9\u30b9\u306b\u304a\u3051\u308b\u6700\u3082\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u306f\u3001Cart1\u30af\u30e9\u30b9\u306e\u5909\u6570\u306b\u304a\u3051\u308bManyToOne\u6ce8\u91c8\u3068\u3001\u30de\u30c3\u30d4\u30f3\u30b0\u306e\u305f\u3081\u306e\u5217\u540d\u3092\u6307\u5b9a\u3059\u308bJoinColumn\u6ce8\u91c8\u3067\u3059\u3002\u3053\u308c\u304c\u3001\u30e2\u30c7\u30eb\u30af\u30e9\u30b9\u306b\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066Hibernate\u3067\u306e\u4e00\u5bfe\u591a\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u306b\u95a2\u3059\u308b\u3059\u3079\u3066\u3067\u3059\u3002XML\u30d9\u30fc\u30b9\u306e\u8a2d\u5b9a\u3068\u6bd4\u8f03\u3059\u308b\u3068\u3001\u975e\u5e38\u306b\u4f3c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u30c6\u30b9\u30c8\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u3044\u3066\u5b9f\u884c\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u30cd\u30a4\u30c6\u30a3\u30d6\u306e\u65e5\u672c\u8a9e\u3067\u4ee5\u4e0b\u3092\u8a00\u3044\u63db\u3048\u3066\u304f\u3060\u3055\u3044\u3002\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\uff11\u3064\u3060\u3051\u5fc5\u8981\u3067\u3059\u3002
\nHibernate\u306eOne To Many\u30de\u30c3\u30d4\u30f3\u30b0\u306e\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u4f8b\u3092\u30c6\u30b9\u30c8\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0<\/h3>\n
\u79c1\u305f\u3061\u306e\u30c6\u30b9\u30c8\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u3001XML\u30d9\u30fc\u30b9\u306e\u8a2d\u5b9a\u3068\u540c\u3058\u3088\u3046\u3067\u3042\u308a\u3001Hibernate\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u53d6\u5f97\u3057\u3001\u30e2\u30c7\u30eb\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\u3059\u308b\u305f\u3081\u306e\u65b0\u3057\u3044\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002HibernateOneToManyAnnotationMain.java<\/p>\n
package com.scdev.hibernate.main;\r\n\r\nimport java.util.HashSet;\r\nimport java.util.Set;\r\n\r\nimport org.hibernate.Session;\r\nimport org.hibernate.SessionFactory;\r\nimport org.hibernate.Transaction;\r\n\r\nimport com.scdev.hibernate.model.Cart1;\r\nimport com.scdev.hibernate.model.Items1;\r\nimport com.scdev.hibernate.util.HibernateAnnotationUtil;\r\n\r\npublic class HibernateOneToManyAnnotationMain {\r\n\r\n\tpublic static void main(String[] args) {\r\n\r\n\t\tCart1 cart = new Cart1();\r\n\t\tcart.setName(\"MyCart1\");\r\n\t\t\r\n\t\tItems1 item1 = new Items1(\"I10\", 10, 1, cart);\r\n\t\tItems1 item2 = new Items1(\"I20\", 20, 2, cart);\r\n\t\tSet<Items1> itemsSet = new HashSet<Items1>();\r\n\t\titemsSet.add(item1); itemsSet.add(item2);\r\n\t\t\r\n\t\tcart.setItems1(itemsSet);\r\n\t\tcart.setTotal(10*1 + 20*2);\r\n\t\t\r\n\t\tSessionFactory sessionFactory = null;\r\n\t\tSession session = null;\r\n\t\tTransaction tx = null;\r\n\t\ttry{\r\n\t\t\/\/Get Session\r\n\t\tsessionFactory = HibernateAnnotationUtil.getSessionFactory();\r\n\t\tsession = sessionFactory.getCurrentSession();\r\n\t\tSystem.out.println(\"Session created\");\r\n\t\t\/\/start transaction\r\n\t\ttx = session.beginTransaction();\r\n\t\t\/\/Save the Model object\r\n\t\tsession.save(cart);\r\n\t\tsession.save(item1);\r\n\t\tsession.save(item2);\r\n\t\t\/\/Commit transaction\r\n\t\ttx.commit();\r\n\t\tSystem.out.println(\"Cart1 ID=\"+cart.getId());\r\n\t\tSystem.out.println(\"item1 ID=\"+item1.getId()+\", Foreign Key Cart ID=\"+item1.getCart1().getId());\r\n\t\tSystem.out.println(\"item2 ID=\"+item2.getId()+\", Foreign Key Cart ID=\"+item1.getCart1().getId());\r\n\t\t\r\n\t\t}catch(Exception e){\r\n\t\t\tSystem.out.println(\"Exception occured. \"+e.getMessage());\r\n\t\t\te.printStackTrace();\r\n\t\t}finally{\r\n\t\t\tif(!sessionFactory.isClosed()){\r\n\t\t\t\tSystem.out.println(\"Closing SessionFactory\");\r\n\t\t\t\tsessionFactory.close();\r\n\t\t\t}\r\n\t\t}\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n\u4e0a\u8a18\u306eHibernate\u306e\u4e00\u5bfe\u591a\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u4f8b\u30c6\u30b9\u30c8\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u6b21\u306e\u51fa\u529b\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n
Hibernate Annotation Configuration loaded\r\nHibernate Annotation serviceRegistry created\r\nSession created\r\nHibernate: insert into CART (name, total) values (?, ?)\r\nHibernate: insert into ITEMS (cart_id, item_id, item_total, quantity) values (?, ?, ?, ?)\r\nHibernate: insert into ITEMS (cart_id, item_id, item_total, quantity) values (?, ?, ?, ?)\r\nCart1 ID=7\r\nitem1 ID=9, Foreign Key Cart ID=7\r\nitem2 ID=10, Foreign Key Cart ID=7\r\nClosing SessionFactory\r\n<\/code><\/pre>\n\u305d\u308c\u3067\u3001Hibernate\u306eone-to-many\u30de\u30c3\u30d4\u30f3\u30b0\u306b\u3064\u3044\u3066\u306f\u4ee5\u4e0a\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u30ea\u30f3\u30af\u304b\u3089\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u3001\u3055\u3089\u306b\u3044\u304f\u3064\u304b\u306e\u5b9f\u9a13\u3092\u884c\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
\u30cd\u30a4\u30c6\u30a3\u30d6\u306a\u65e5\u672c\u8a9e\u3067\u4ee5\u4e0b\u306e\u6587\u7ae0\u3092\u4e00\u3064\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u8a00\u3044\u63db\u3048\u307e\u3059\uff1a
\nHibernate\u306eOneToMany\u30de\u30c3\u30d4\u30f3\u30b0\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4eca\u65e5\u306f\u3001Hibernate\u306b\u304a\u3051\u308bOne To Many Mapping\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3059\u3002\u6ce8\u91c8\u3068XML\u8a2d\u5b9a\u3092\u4f7f\u7528\u3057\u305fHibernate\u306eOne To Many Mapping\u306e\u4f8b\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002 Hibernate\u306b […]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[26,61],"class_list":["post-758","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-26","tag-61"],"yoast_head":"\n
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