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JPA映射：关联哪个主键是一个实体的复合主键和另一个实体的一个属性的复合

[英]JPA mapping: Assositation which primary key is compound of composite primary key of one entity and one atribute of other entity

原文 2011-07-15 16:04:09 6 1 java/ mysql/ orm/ jpa

If you are confused with title, i will try to explain what i was thinking.In matter a fact it's pretty simple.如果您对标题感到困惑，我将尝试解释我的想法。事实上，这很简单。 I have 3 tables (there is more, but it's not important now), which i try to map, but it don't work.我有 3 张桌子（还有更多，但现在不重要），我尝试使用 map，但它不起作用。 Tables:表：

1) Poseta 1) 波塞塔

datumPosete , idKlijenta , UkupnaCena, idMehanicara datumPosete , idKlijenta , UkupnaCena, idMehanicara

2) Usluga 2) 乌斯鲁加

idUsluga , NazivUsluge idUsluga

3) StavkaPosete 3）StavkaPosete

datumPosete , idKlijenta , idUsluge , Kolicina datumPosete , idKlijenta , idUsluge , Kolicina

I bold primary keys.我加粗主键。 As you can see primary key of StavkaPosete table is composed of primary key Usluga table and primary key Poseta table.如您所见，StavkaPosete 表的主键由主键 Usluga 表和主键 Poseta 表组成。 I apologise on my English, if I made some mistakes.如果我犯了一些错误，我就我的英语道歉。 Also I am very grateful everybody who answer.我也非常感谢所有回答的人。

1 个解决方案

So its CompoundIdentity then where the identity of one class includes another persistent object http://www.datanucleus.org/products/accessplatform_3_0/jpa/orm/compound_identity.html So its CompoundIdentity then where the identity of one class includes another persistent object http://www.datanucleus.org/products/accessplatform_3_0/jpa/orm/compound_identity.html

jpa一对多复合主键映射 - jpa one to many composite primary key mapping

具有多个外键作为复合主键的一对多实体映射 - Entity mapping for one to many with multiple foreign keys as composite primary key

JPA：具有复合主键的持久实体 - JPA: persisting entity with composite primary key

在 JPA 实体上定义复合主键 - Define composite primary key on JPA Entity

将没有主键的SQL视图映射到JPA实体 - Mapping a SQL View with no Primary Key to JPA Entity

在另一个充当主键的实体上休眠一对一映射 - Hibernate one-to-one mapping on another entity acting as primary key

Hibernate-提取具有使用任何一个主键的复合主键的实体 - Hibernate - Fetching entity having a composite primary key using any one of the primary key

向复合主键添加外键，并在JPA Entity类中进行更改 - Add a foreign key to composite primary key and changes in JPA Entity class

JPA 实体外键是来自其他实体的主键 - JPA entity foreign key is a primary key from other entity

JPA复合主键/外键映射 - JPA composite primary key/foreign key mapping

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相关问题 jpa一对多复合主键映射 - jpa one to many composite primary key mapping 具有多个外键作为复合主键的一对多实体映射 - Entity mapping for one to many with multiple foreign keys as composite primary key JPA：具有复合主键的持久实体 - JPA: persisting entity with composite primary key 在 JPA 实体上定义复合主键 - Define composite primary key on JPA Entity 将没有主键的SQL视图映射到JPA实体 - Mapping a SQL View with no Primary Key to JPA Entity 在另一个充当主键的实体上休眠一对一映射 - Hibernate one-to-one mapping on another entity acting as primary key Hibernate-提取具有使用任何一个主键的复合主键的实体 - Hibernate - Fetching entity having a composite primary key using any one of the primary key 向复合主键添加外键，并在JPA Entity类中进行更改 - Add a foreign key to composite primary key and changes in JPA Entity class JPA 实体外键是来自其他实体的主键 - JPA entity foreign key is a primary key from other entity JPA复合主键/外键映射 - JPA composite primary key/foreign key mapping

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