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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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How to replace bidirectional OneToOne relation by ElementCollection?

"Java Persistence 2.0, Final Release" on page 404 has the following example: Example 3: One-to-one association from an embeddable class to another entity. @Entity public class Employee { @Id int id; @Embedded LocationDetails…
romsky
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How to do a search with multiple ElementCollections

Given the following entity: @Entity @Table(name = "subscription") public class Subscription implements Serializable { private static final long serialVersionUID = 1L; @ElementCollection @CollectionTable(joinColumns=…
Davio
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Java: embeddable Object-Oriented-Database

I am looking for simple-to-use embeddable Open-source Object-oriented database for Java desktop application. I am working on small portable Java app with embedded database. Originally I was thinking of using SQLite or H2 with JPA. However I am not…
Wolfer
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JPA / OpenJPA merge always causes SQL UPDATE on Embedded objects

consider following pojos: @Embeddable public class Info { private String name; public String getName(){ return name; } public void setName(String name){ this.name=name; } } @Entity public class Person { @Id private long pid; …
comeGetSome
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NullPointerException on @Embedded List

I have an object with this property @Entity public class Professor { ... @Embedded private List ratings = new ArrayList(); ... } @Embeddable public class Rating { @Id @GeneratedValue private Long id; …
user4144171
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Hibernate embeddable list

I have two ready tables: Table "One" id numeric (PK); name varchar(100); Table "Two" property1 varchar(100); one_id long; I want map two classes for it tables: class One { long id; String name; } Two { One parent; String property1; } If I…
mgurov
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Hibernate @Embeddable static final

I have a strange behavior. I have an entity which uses @Embeddables to store a type information (TerminalType). This types should have only fixed values. Therefore I created constants like CLIENT, BROWSER, EXTRENAL. @Embeddable @Audited public…
MarkusL
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How to use Enumerated at Embeddable?

I have a @Embeddable class that contain an attribute @Enumerated. I want to display values of this attribute @Enumerated in selectOneMenu primefaces. The problem is when I try display my page this returns a exception that @Enumerated is null, and I…
FernandoPaiva
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Persisting @ElementCollection to Database while transaction rollback

I dont know why my List of embeddable objects persists to database despite transaction rollback. I have my Entity User with List of Embeddable Role. When I'm persisting user with the same username as already existing in database, i see an exception…
user3914767
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How to make embeddable code in ASP.Net

you must have seen widgets like code which people place inside their HTML and it starts showing a small widget in there, how we can we do it in ASP.net, for example if i want to show some specific data of my site to anywhere some specific code is…
Ali
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Aggregation of @Embedded classes in Hiberante

I have a situation with these classes, where 1st is contained by 2nd as @Embedded field, and then 3rd is containing 2nd two times as two different @Embedded field : @Embeddable public class StorageSize { // ... @Column(nullable = false) …
deyo.vuk
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Error on em.getTransaction().commit(); using the JPA @Embeddable annotation

I have some problems with @Embeddable in JAVA JPA. I have an entity class named "Author": @Entity @Table(name = "author") @XmlRootElement @NamedQueries({ @NamedQuery(name = "Author.findAll", query = "SELECT a FROM Author a"), …
Aysegul
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Overriding Embedded XML attribute in Entity that has no Database field mapping

I have the following embeddable classes. Email: @XmlAccessorType(XmlAccessType.FIELD) @XmlType(name = "Email") @Embeddable public class Email { @XmlElement(required = true, nillable = true, name = "etype") private String type; …
Kevin Rave
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Dynamic enumerations in Spring, or how to keep Spring away from constructors?

Is "Dynamic enumerations" an oxymoron, like "static variables"? ;-) I've only been soaking in Spring for a short time, and I suspect I'm not thinking Spring-like yet. I would like to have a type-safe, dynamic enumeration. I've used this pattern…
Didjit
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Embeddable in ElementCollection

I have Embeddable class which look like this: public class ClobEmbeddableValue { ...fields... @Lob @Type(type = "org.hibernate.type.MaterializedClobType") @Column(name = "clobValue") @Override public String getValue() {…
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