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Questions tagged [embeddable]

@Embeddable is an annotation used in Java to suggest that a class is stored as an intrinsic part of an owning entity and share the identity of the entity. It is a part of JPA implementations.

@Embeddable is an annotation used in to suggest that a class is stored as an intrinsic part of an owning entity and share the identity of the entity. It is a part of implementations/frameworks such as . This annotation will suggest to the framework that the class is a part of another entity and will treat any mapped attribute within the class as a mapped attribute of the containing entity.

It corresponds to other annotations which may be used by the owning Entity such as @Embedded and @Entity.

Java EE Documentation

SO question covering the basics of Embeddable

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Why does embeddable python use user space for libs searching

I have an C++ app for Windows. It runs python script to calculate something. There is problem on user side because some libraries don`t want to be installed by pip with latest python and script does not work. I heve decided to take embeddable…
G. Batuchenko
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Use @Embeddable Without Nested JSON

I'm trying to use the @Embedded and @Embeddable javax annotations to keep my Java classes cleaner, but I want the resulting JSON to be flattened. THE DESIRED BEHAVIOR: [ { "id": "6edbced5-2d27-4257-a140-2925291daaf6", "name":…
Ethan Miller
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hibernate, query on embeddable object

Is it possible to query on Embeddable object from separate query? E.g., we have @Entity class Person{ ... @Embedded private Address address; ... } @Embeddable class Address{ private String street; ... } is it possible to create hql-query like…
ayscha
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Embeddable class contains composite key generates too many columns?

I have two classes (UmowaEntity and MpkEntity). I replace the @ManyToMany association with two bidirectional @OneToMany associations because I need additional column ("aktywny"). MpkEntity contains composite key…
Wojtek
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Why can't I access embedded properties in a mapper?

I have the following embedabble @Data @Embeddable public class BaseEntity { @CreatedDate @Column(name = "created_date") private LocalDateTime createdDate; @CreatedBy @Column(name = "created_by") private String createdBy; } Which I…
JangoCG
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Repeated columns in Embeddable class throwing error

I have create entity class using JPA Tools, It has created two classes for the table that has no primary key. One is @Entity class and other is @Embeddable class, below are the code for both the classes Countrylanguage package…
VJain
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@Embeddable Composite Key is not throwing integrity exception in with spring data JPA

I have used Spring Data JPA and @Embedabble to create the composite key. And one Base class BaseDate will be extended by all the Entity. sysCreationDate will be generated during insertion (not null and non-updatable) save user is working fine for…
s4n17a
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An embeddable object is not being persisted to a secondary table

In my real project there is an entity with ~15 properties (columns). I need to store ~10 more properties related to the entity. To avoid creating of new columns in the same table, one approach is to store the new properties in another entity and to…
tyoma17
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Property mapping has wrong number of columns

I am using hibernate 4.2.21 version. I have partial entities and I used @Embedded and @Embeddable annotations. When trying to run project , it gives an exception; property mapping has wrong number of columns: com.demo.School.teacher type:…
muhammed ozbilici
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@Embedded object not saved when private

Let's start with an entity with an embedded structure. @Entity public class MyEntity implements Serializable { @Embedded private MyEmbeddedObject myEmbeddedObject; ... } @Embeddable public class MyEmbeddedObject implements Serializable { …
Francois
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ORA-00904: mapping issue causes invalid identifier

I have an issue named for this error message shown below. java.sql.SQLSyntaxErrorException: ORA-00904: "DETAILORDE1_"."BOOK": invalid identifier What it means is not to map with Book and DetailOrder class. I searched many resources to solve it out.…
S.N
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repeated column in mapping for entity by multiple mappings

I Don't understand why I'm still getting the hibernate.MappingException: Repeated column in mapping for entity: PanelCategoryOption column: category_id (should be mapped with insert="false" update="false") PanelCategoryOption…
Michel
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How to query an element collection from an entity using HQL

Anyone know how to query an element collection from an entity using HQL? I'm trying to load all schedules from a given LiveTournament where the round is a certain number. I need a query like: select m from MatchSchedule m where m.round=:round and…
Yepadee
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Multiple @Embedded fields of same type are always null after persisting

I've implemented the following hierachy: Abstract Superclass: ConnectionTechnologyDetails Subclass: AS2 Embeddable: AS2Details The Subclass AS2 has additional attributes and methods in comparsion to it's superclass. The additional attributes are…
Taskmanager
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Updating values in an Embeddable class

Here's what I'm trying to do...I have a Person @Entity @Table(name = "PERSON", uniqueConstraints = { @UniqueConstraint(columnNames = {"SSN"}) } ) @DynamicInsert(true) @DynamicUpdate(true) @SelectBeforeUpdate(true) public class Person…
BigFish
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