annotation « Map « JPA Q&A





1. Annotation a Map containig a non-entity class in JPA    stackoverflow.com

Is it possible to use a map with a non-entity class in JPA? If yes, how should it be annotated correctly?


@Entity
class A {

   @HowShouldIAnnotateThis?
   private Map<B, Integer> ...

2. How to specify a different column for a @Inheritance JPA annotation    stackoverflow.com

@Entity
@Inheritance(strategy = InheritanceType.JOINED)
public class Foo   

@Entity
@Inheritance(strategy = InheritanceType.JOINED)
public class BarFoo extends Foo

mysql> desc foo;
+---------------+-------------+
| Field         | Type     ...

3. JPA/Hibernate: Can I have a Parent without annotations and a Child with    stackoverflow.com

I have a requirement to create a component which can be used stand-alone or within a larger application. When used stand-alone, it should not require a database, nor any database/ORM ...

4. How do I rewrite this hibernate-mapping with annotations?    stackoverflow.com

I'd like to configure this mapping with annotations instead of XML. Here's the mapping config (sanitized for public consumption):

<hibernate-mapping package="com.test.model">
  <class name="Parent" table="parent">

    <composite-id name="id" class="ParentCompositeKey">
  ...

5. hibernate mapping    stackoverflow.com

Is hibernate mapping necessary a lot? Which mapping is important for project? one-to-one, many-to-one, many-to-many??

6. Inheritance in Hibernate Annotations?    stackoverflow.com

How can I use "inheritance" in Annotations? What are the advantages of using inheritance in Annotations?

7. Hibernate Mapping Package    stackoverflow.com

I'm using Hibernate Annotations. In all my model classes I annotate like this:

@Entity
@Table
public class SomeModelClass {
//
}
My hibernate.cfg.xml is
<hibernate-configuration>
   <session-factory>
      <!-- some properties -->

   ...

8. Mapping multi-Level inheritance in Hibernate with Annotations    stackoverflow.com

Take the situation listed in this question: http://stackoverflow.com/questions/261407/mapping-multi-level-inheritance-in-hibernate/1883829 How would this mapping be done with Annotations rather than an hbm file?

9. hibernate annotation bi-directional mapping    stackoverflow.com

I'm building a web application using Spring framework and Hibernate with annotation and get stuck with a simple mapping between two entities. I'm trying to create a many-to-many relationship between User and ...





10. How do you map a "Map" in hibernate using annotations?    stackoverflow.com

Using annotations how do you map a field in an entity which is a "Map" (Hashtable) of String to a given object? The object is annotated and instances of it are ...

11. Problem with 2 levels of inheritance in hibernate mapping    stackoverflow.com

Here's my class structure:

class A
class B extends A
class C extends A
class D extends C
class E extends C
And here are my mappings (class bodies omitted for brevity): Class A:
@Entity
@Inheritance(strategy=InheritanceType.SINGLE_TABLE)
@MappedSuperclass
@DiscriminatorColumn(
     ...

12. Hibernate annotated many-to-one not adding child to parent Collection    stackoverflow.com

I have the following annotated Hibernate entity classes:

@Entity
public class Cat {
    @Column(name = "ID") @GeneratedValue(strategy = GenerationType.AUTO) @Id
    private Long id;

    @OneToMany(mappedBy ...

13. Mapping basic many-to-one with annotation    stackoverflow.com

Please show me how to map collection of basic type using annotation for one-to-many?

14. How do I depend on hibernate annotated mappings from a separate project?    stackoverflow.com

I am trying to work out how to do the mappings for two different projects that share some entities. Since they share only a limited subset of mappings, my first idea ...

15. How to map one class to different tables using hibernate/jpa annotations    stackoverflow.com

I'm currently stuck with what seems to be a very simple problem, but I just can't seem to find a way around: I have 2 identical tables:

  1. tbl_creditcard_approved_txns ...

16. Hibernate and Inheritance (TABLE_PER_CLASS)    stackoverflow.com

I use Hibernate to persist inherited objects but I got this message when I try to persist objects in database: org.springframework.dao.InvalidDataAccessResourceUsageException: Could not execute JDBC batch update; SQL [update Widget set CONTAINER_ID=? ...





17. Basic Hibernate/JPA Mapping question    stackoverflow.com

I have to tables I want to map to each other. I want to populate 2 drop down lists: code_r and code_l. When i choose a value from code_r, code_l should display only ...

18. Hibernate Inheritance Annotation clarification    stackoverflow.com

In our legacy code, I stumbled upon a hibernate class implementation which I was not able to fully understand. There is one super class corresponding to table WORK_REQUEST_GROUPS -

@Entity  ...

19. Hibernate 3.5 or 3.6 with no supporting to @Any annotation?    stackoverflow.com

I'm currently working on a system migration (from hibernate 3.2.2.GA with JPA1 to hibernate 3.6 with JPA2. The migration itself is very simple, there are no major updates to do (in ...

20. Composition mapping in Hibernate using annotation?    stackoverflow.com

how can I define a data model (including 2 classes A and B, B is contained in A) that satisfy the B's id is the same with A's id (because I ...

21. Map Annotation in Hibernate?    stackoverflow.com

What annotation should go on the creditBalances field of the User class? credit_balance table

CREATE TABLE `credit_balance` (
  `user_id` varchar(255) NOT NULL,
  `currency` char(3) DEFAULT NULL,
  `amount` decimal(12,4) DEFAULT NULL
)
Credit ...

22. CompositeKey Mapping problem in Hibernate    stackoverflow.com

I Am trying to know , how to do mapping in hbm for a composite key. I have one table containing two primary key... when i trying to map this table i ...

23. Hibernate Annotations/JPA mapping collections    stackoverflow.com

my problem is about mapping collections with JPA annotations in Hibernate. Say, i have an entity:

@Entity
@Table(name="orders")
class Order {
@Id @GeneratedId private Long id;
@OneToMany(fetch=FetchType.EAGER, targetEntity=Item.class)
@JoinColumn(name="order_id")
private List<Item> items;
/* getters setters */
}
and my item:
@Entity
@Table(name="items")
class Item ...

24. Using Annotations In JPA can I limit child records with a where clause?    stackoverflow.com

I have an EJB with an @onetomany relationship like this in my parent class (Timeslot):

@OneToMany(mappedBy = "rsTimeslots")
private List<RsEvents> rsEventsList;
I also have a function to get the rsEventList:
public void setRsEventsList(List<RsEvents> rsEventsList) {
 ...

25. difficulties Mapping maps with hibernate using JPA annotations    stackoverflow.com

There is possibly something fundamental I don't understand about the semantics of JPA @MapKey element. I am trying to save a Map that has entity keys and entity values. The Schema ...

26. How to perform mapping a map collection using JPA annotations    stackoverflow.com

I am brand new here. I am trying to switch from using Set to Map in my mapping, but I don't know how to do it. This is code which use ...

27. How do you map collections conditionally with Hibernate annotations?    stackoverflow.com

If I have a class structure which looks like the following (annotations removed):

public class Person {
  String store;

  Swatch swatch;

  Collection<Paint> paints;
}

public class Swatch {
  String color;
}

public ...

28. 2 Hibernate Qs: Collections, Annotation Mapping    coderanch.com

Originally posted by Ilya Elkind: Question 1: When doing One-To-Many or Many-To-One Mappings, is it better to Sets, Collections, HashMaps, ArrayList...ect? Question 2: When doing Many-To-Many using hibernate annotations is there any strategy for implimenting the beans? Examples for the private members and thier getters/setters/collections would be very helpful. Thanks! 1. Doesn't matter, so to speak. You object model would be ...

29. Hibernate Annotations mapping with inheritance    coderanch.com

I have been able to convert 80% of my hibernate mapping file to Java Annotations mapping. For some of my domain objects I have hit a wall. The primary domain object is an abstract class. It contains some commons attributes for CustomerAgreement and ServiceAgreement. The two latter domain objects are two seperate tables, but they share many similar attributes (though not ...

30. Hibernate Mapping Many-to-One using Annotations Issue    coderanch.com

I have a many to one relationship between 2 classes A and B(a->B). I want to use annotations unfortunately there are many classes to be converted in my project( hibernate + spring integrated ). I ended up changing only Class B to annotations and class A will have the old hbm mapping file itself.. While doing so i get an exception ...

31. Many-To-One mapping in hibernate using annotations    coderanch.com

Hi, I am trying to fetch data from tables items and category where many items have same category. But when I try to fetch I am getting exception. My code is package com; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.FetchType; import javax.persistence.GeneratedValue; import javax.persistence.Id; import javax.persistence.Table; import javax.persistence.CascadeType; import javax.persistence.ManyToOne; import javax.persistence.JoinColumn; import javax.persistence.JoinTable; @Entity @Table(name="items") public class Items { private Integer ...

32. 3 way mapping with annotations?    forum.hibernate.org

I would like to map 3 tables, each of which are represented by entities: pageflow, role, and document. there is db table that joins the 3 with the primary key of that table being the keys of the other 3: pageflow_id, role_id, and document_id For a particular document and role, I can have any number of pageflows. The same pageflows can ...

33. Table mapping with annotations    forum.hibernate.org

Hi, I would like to understand the how Table mapping can be done with Hibernate annotation. I know how to work with one table.If I have multiple table while fetching data then how to map those two tables. Ex : Table1: int emp_id char name Table 2 int dept_id int emp_id char department_name char location. My result should be like this ...

34. Hibernate annotation mapping question plz    forum.hibernate.org

Hi all I just tested a small example getting the code from Hibernate. here is all relevant code. [code]session.getTransaction().begin(); Car u = new SportCar(); u.setId(1); session.saveOrUpdate(u); session.getTransaction().commit();[/code] [code]@Entity @Table (name="Car") @Inheritance(strategy = InheritanceType.SINGLE_TABLE) @DiscriminatorColumn(name = "discrim", discriminatorType = DiscriminatorType.STRING) public class Car { @Id private Integer id; @Column (name = "discrim", insertable = false, updatable = false) private String discrim; ... ...

36. Multiple mappings with annotations    forum.hibernate.org

37. Mapping one entity to several tables in Hibernate annotation    forum.hibernate.org

I want to know if there is any way to map same entity to several tables in Hibernate annotations. Like there is in the Entity name in the Xml mapping files, where we can call the entity name instead of the class and hibernate takes care of the rest based on the entity name and we can then just map the ...

39. one to many mapping using annotations issues    forum.hibernate.org

Hi All, I have two table USER and ADDRESS. A user may have more than one address. I have two address for one user Code: @Entity @Table(name = "USER", uniqueConstraints = { @UniqueConstraint(columnNames = { "user_id" }) }) public class UserDO { @Id @Column(name = "user_id", columnDefinition = "VARCHAR(255) NOT NULL DEFAULT ''", insertable = ...

40. Annotations for a Map    forum.hibernate.org

41. Single inheritance table doesn't work with annotations    forum.hibernate.org

...

42. Annotation configuration : separating mappings from props.    forum.hibernate.org

Hi all, after reading several Hibernate reference documents as well as Googling around, I haven't found an answer to the following problem. In an annotation based Hibernate configuration, I would like to separate de declaration of which classes are mapped, from other properties more closely coupled to the database driver and connection. For now, I have a hibernate.cfg.xml in which I ...

43. Mapping a map collection with annotations    forum.hibernate.org

class A { ... @OneToMany() @JoinColumn(name="A_ID") /* B_ID should be the key in this map */ private Map map = new HashMap(); } class B { @EmbeddedId private CompoundId id; } @Embeddable class CompoundId { @Column(name = "A_ID") String ...

44. Adding all the annotations-mapped entities at once    forum.hibernate.org

Hello everybody, with Hibernate's mapping files it's possible to add an entire directory and Hibernate will automatically read all the HBM files in it. So, whenever a new entity is added, it will be automatically picked up. Now here's my question: is it possible to do something similar with annotations-mapped classes, i.e. to have Hibernate read all my classes that are ...

46. Mapping/Annotating Classes from other Frameworks    forum.hibernate.org

Newbie Joined: Tue Nov 30, 2010 5:57 am Posts: 5 Hi all, I'm extending Spring Security's OAuthProviderTokenImpl class , and I'd like to persist it using Hibernate. I use annotations of the fields of all my other model classes. How can I tell Hibernate to persist all the fields from OAuthProviderTokenImpl as well as fields from my subclass. I can't annotate ...

47. Mapping a foreign class with annotations    forum.hibernate.org

48. Problems for mapping Class using annotations.    forum.hibernate.org

Hi. I am not able to make the correct mapping of my classes I am using hibernate 3.6 I have 2 class. Code: @Entity @Table(name = "PESSOA") public class Pessoa { @Id @GeneratedValue @Column(name = "ID_PESSOA") private Long idPessoa; @Column(name = ...

49. Annotation mapping issue    forum.hibernate.org

@Entity @Table(name="seis_set") public class SeisSet implements Serializable { @Id @Column(name = "seis_set_id") private String seisSetId; @ManyToOne @JoinColumn(name="country", referencedColumnName="country") private Country country; @ManyToOne @JoinColumns( @JoinColumn(name="country", referencedColumnName="country"), ...

50. [newbie] one-to-one annotation mapping    forum.hibernate.org

Hi. I have two MySQL tables AutoCards and Cities. AutoCard has CityID field which should be connected with CityID field of Cities. The goal is to get city name via AutoCard bean. Here is AutoCard.java: Code: package vac.entities; import java.io.Serializable; import java.util.Date; import javax.persistence.Column; import javax.persistence.JoinColumn; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.Id; import javax.persistence.Table; import javax.persistence.OneToOne; import javax.persistence.OneToMany; import javax.persistence.ManyToOne; import ...

51. Mapping Map with Annotations    forum.hibernate.org

52. Problem with annotation mapping    forum.hibernate.org

Author Message keymaker369 Post subject: Problem with annotation mapping Posted: Thu Jun 30, 2011 9:29 am Newbie Joined: Thu Jun 30, 2011 9:12 am Posts: 1 Hello, I have this two classes, in domain model of my webapp Code: package org.seke.filmania.domain; import java.util.Date; import java.util.HashSet; import java.util.Set; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.FetchType; import javax.persistence.GeneratedValue; import static javax.persistence.GenerationType.IDENTITY; import ...

53. One-to-many mapping without annotation    forum.hibernate.org

Hi all I have created three tables. Like : Employee --id (PK) Project --id (PK) Employee_projects --id (PK) --employee_id (FK) --project_id (FK) I want to use one-to-many mapping on Employee table.I don't want to use annotation. How to do it without Annotation.... In database additional column idx should not be created. Here I am using spring mvc framework. Thanx in Advance ...

54. Hibernate annotation: mapping query    forum.hibernate.org

Hi, We are using spring and hibernate in our project and I am new to it. I know how to map java fields to db colums. But here is some different requirement , I have to choose one String from drop down box and instead of saving it directly in db;have to save it's lookup id(interger) in main table. Look up ...

55. Map two tables to same java class using annotations    forum.hibernate.org

I have the following code in a mapping file. Mapping files are to be replaced by annotations. So in order to convert it to annotation i need to be able to Map the same Employee class to two tables employee and employeeHistory. Both the tables employee and employeeHistory have exactly the same schema. org.hibernate.Session object's save(String, Object) was being used to ...

56. Parent - Child Annotation driven problem    forum.hibernate.org

Hi, I am using parent child relationship, similar to Category <> Category and Category <> Item found in caveatemptor I am trying to delete a Object even after deleting its references from the Object Tree. Still does not work! The code base is here Person class (similar to Category) Code: @Entity(access = AccessType.FIELD) public class Person { @Id ...

57. Mapping by Annotations (newbie)    forum.hibernate.org

Newbie Joined: Tue Mar 28, 2006 9:36 am Posts: 4 Hi, I have the following mapping classes: Code: Product.java ======== import java.io.Serializable; import javax.persistence.CascadeType; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence.Id; import javax.persistence.JoinColumn; import javax.persistence.ManyToOne; @Entity @javax.persistence.SequenceGenerator( name="TYDX_SEQ_STORE", sequenceName="tydx_seq" ) public ...

58. Inheritance mix in Hibernate 3.2.0 CR1 (annotations)    forum.hibernate.org

@MappedSuperclass abstract class PersistentData implements Serializable { } @Entity @Table(name="PERIODDEPENDENDMASTERDATA") @Inheritance(strategy=InheritanceType.JOINED) abstract class PeriodDependentMasterData extends PersistentData { } @Entity @Table(name="NETREGION") @PrimaryKeyJoinColumn(name="ID") public class NetRegion extends PeriodDependentMasterData { } @Entity @Table(name="CARRIER") @Inheritance(strategy=InheritanceType.SINGLE_TABLE) @DiscriminatorColumn(name="MAPPINGTYPE_ID",discriminatorType=DiscriminatorType.INTEGER) @DiscriminatorValue("10") public abstract class Carrier extends PeriodDependentMasterData { } @Entity @DiscriminatorValue("11") public class ExternalCarrier extends Carrier { } @Entity @DiscriminatorValue("13") public class UICCarrier extends Carrier { }

59. How to map a "conditional" join using Annotations    forum.hibernate.org

I have a User class and a Picture class. There is a method called getPictures that returns a Set of public Set getPictures(); I would like to add an additional method now that will just return the main picture public Picture getMainPicture(); Is it possible to do a direct mapping within the Hibernate Annotations? In this case it would be ...

60. Annotations in Hibernate for a Map    forum.hibernate.org

61. Problem when mapping with annotations    forum.hibernate.org

package br.com.beans; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence.Id; import javax.persistence.Table; import org.hibernate.validator.Length; import org.hibernate.validator.NotNull; @Entity @Table (name="usuario") public class Usuario { private Integer id; private String login; private String email; private char sexo; private String senha; ...

62. Creating annotations mapping class for this scenario...    forum.hibernate.org

Pls help me to create the mapping classes in annotations for the following scenario. I have four tables A,B,C,D TABLE A{ id, foreign_ key_id foreign_ key_id_Type } 'foreign_key_id' in table A is a primary key of table B/C/D. From 'foreign_ key_id_Type' in TABLE A, we can say to which table(among B,C and D) foreign_key_id of table A is referring . i.e ...

63. Simple collection mapping problem with annotations    forum.hibernate.org

@Entity public class Forum { ... @Id @GeneratedValue(strategy=GenerationType.IDENTITY) private Integer id; @OneToMany(cascade = CascadeType.ALL, mappedBy="forum") @OrderBy("order") @Fetch(FetchMode.JOIN) private List areas; ... } @Entity public class Area { ... @Id @GeneratedValue(strategy=GenerationType.IDENTITY) private Integer id; @ManyToOne ...

65. Lazyload of Map using Hibernate Annotations only.    forum.hibernate.org

Can any one please help me with Lazyload of Map objects of Java using Hibernate Annotations only? My piece of code - @CollectionOfElements @OneToOne(fetch = FetchType.LAZY) @MapKey(columns = { @Column(name = "locale", nullable = false)}) private Map values; Instead of @OneToOne, I also tried with @LazyCollection(LazyCollectionOption.TRUE) But Unable to lazy load the map. Moreover the mapping file used in Hibernate are ...

66. Multiple mappings with annotations    forum.hibernate.org

Hi all, I understand it's possible to decide which mapping file to load and use multiple mappings/DB schemas for the same set of objects. I cannot understand if this is possibile with annotations too, by passing some parameter like "mapping-name". I need to play with mappings of 2 different schemas and working with annotations is better than with XML files. Thanks ...

67. Mapping an Interface with Annotations    forum.hibernate.org

Hibernate version: 3.2.0.ga Name and version of the database you are using: Oracle 9i I am trying to create a table with a column whose type is an interface using polymorphic association. In other words, in this column, I would like to store any object that implements the particular interface. Also, I am trying to do all my mappings with annotations ...

68. Double mapping with annotations    forum.hibernate.org

/* The number of volume classes */ public static final int VOLUME_COUNT = 6; /* The volume classes */ @CollectionOfElements(fetch = FetchType.EAGER) @JoinTable( name = "RATES_VOLUMES", joinColumns = @JoinColumn(name = "RATE_ID") ) @IndexColumn(name = "VOL_CLASS", base ...

69. One-to-one mapping with a lookup table (annotations)    forum.hibernate.org

So I can't figure out why this doesn't work: Class that controls the one-to-one relationship: private String zipCode; private ZipCodeMetadata zipCodeMetadata; @OneToOne @JoinColumn(name="zipCode", insertable=false, updatable=false) public ZipCodeMetadata getZipCodeMetadata() {...} Basically when this object is created, I wanted to just have the user input a zipCode and the metadata would be managed from that point forward via the one-to-one relationship. Is this ...

70. Mixing Inheritance with annotations    forum.hibernate.org

Hi to all, Is is possible to mix InheritanceType.JOINED with InheritanceTable.SINGLE_TABLE with a three level inheritance hiearchy like the following: Code: A (anottated with InheritanceType.JOINED) / \ B C (both have ...

71. Annotation based mapping    forum.hibernate.org

I am doing a web application using annotations to map a class and a table instead of using*.hbm.xml file. The class is like the following: @Table(name="userprofile") public class UserDescriptor { private String user = new String(); private String password = new String(); private String name = new String(); private String email = new String(); public UserDescriptor() { } public void setUser(String ...

72. Annotated parent - child problem    forum.hibernate.org

Hello, I have a class like this: Code: @Entity public class Category { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Integer id; @ManyToOne(fetch=FetchType.EAGER) @JoinColumn(name="parent_id") @Cascade(org.hibernate.annotations.CascadeType.SAVE_UPDATE) private Category parent; @OneToMany(mappedBy="parent", fetch=FetchType.EAGER) @Cascade(org.hibernate.annotations.CascadeType.SAVE_UPDATE) @IndexColumn(name="list_id") private List children = new ArrayList (); } when I put some categories on it by creating new one, and adding children, I got only inserts e.g.: Hibernate: insert ...

73. Hibernate Annotations Mapping & Rev Engineering Problems    forum.hibernate.org

Newbie Joined: Sun Mar 02, 2008 11:59 am Posts: 1 Location: Ireland Need help with Hibernate? Read this first: http://www.hibernate.org/ForumMailingli ... AskForHelp Hibernate3 (Latest Download) Mapping documents: package com.rentalscontroller.gui.pojo; import java.io.Serializable; import javax.persistence.*; @Entity @Table(name="Owner", schema="RENTALS") public class Owner implements Serializable{ static final long serialVersionUID = 99999; private Integer ownerId; private String firstName; private String surname; private String telNo; private Integer ...

74. Mapping bounded collection with Hibernate Annotations    forum.hibernate.org

Hi, Is there any way to map a bounded collection with Hibernate? We have Apache Commons Collections CircularFIFOBuffer used in some entity classes to be persisted using Hibernate 3.2.x. For now, I didn't find any information on how to perform the mapping without customization efforts. In case there is a customization needed - where do I start? Thank you very much ...

76. Hibernate annotation mapping with inherited object    forum.hibernate.org

Hi, Got a question to ask, suppose I have an object A extending Object B. Supposing Object A has attributes maps to columns of Table A. Object A(with attributes attrA, attrB) extends Object B(with attributes attrC). Object A is mapped to Table A as such, Table A(column A, column B, column C), through annotations. When I query Table A using hibernate ...

77. Annotation "table per class" inheritance problem    forum.hibernate.org

78. annotation mapping "loop" many-to-one    forum.hibernate.org

79. Hibernate Annotation Mapping problem    forum.hibernate.org

Hi All. Please help me with correct Hibernate annotations to achieve the entity relationship as shown in the picture. I want to associate a secondary table of an entity with a primary table of another entity. I tried various things, but all the time I end up relating primary table of entity 1 and entity 2. This is also workable but ...

80. How to mix inheritance stratige with annotation    forum.hibernate.org

As the title described. How to mix the inheritence strategy "table per class hierarchy" and "table per subclass"? The reason for why I want to do so is: 1. I have a super class which is also a entity class. 2. The super class has many subclasses and all these classes are complex, so we cann't use the "table per class ...

81. Mapping with annotations and inheritance    forum.hibernate.org

I have been able to convert 80% of my hibernate mapping file to Java Annotations mapping. For some of my domain objects I have hit a wall. The primary domain object is an abstract class. It contains some commons attributes for CustomerAgreement and ServiceAgreement. The two latter domain objects are two seperate tables, but they share many similar attributes (though not ...

82. When use the @entity annotation (in regard to inheritance)?    forum.hibernate.org

Hello everybody. Ok, the question may seem completely stupid to ask but, after thinking a little about it, I find myself unable to precisely answer to it. As I understand it, the @Entity annotation has to be added on classes that have to be persisted. But what happens when the classes I want to persist extend other classes or implement interfaces? ...

83. Hibernate 3 & annotations: How to map multilevel inherit    forum.hibernate.org

Hello, I have been reading as many posts I could on the subject but I can't find the solution to this (apparently) simple problem. I'd also like to add before going for the explanation that the information given on the reference manuals on the subject is always very limited since it is always said that using different startegies on different levels ...

84. annotating a map collection using join-table    forum.hibernate.org

86. Annotations auto-mapping    forum.hibernate.org

87. Inheritance using annotations    forum.hibernate.org

88. Hibernate (Annotations) inheritance mapping woes    forum.hibernate.org

Author Message por Post subject: Hibernate (Annotations) inheritance mapping woes Posted: Tue Mar 17, 2009 6:09 am Newbie Joined: Tue Mar 17, 2009 3:27 am Posts: 3 Hibernate version: 3.3.1-ga Hibernate Annotations version: 3.4.0-ga Mapping documents: Hibernate Annotations Name and version of the database you are using: Oracle 9i Application Server: Glassfish v3 Prelude First, I'd like to apologize ...

89. Does Hibernate Annotation support Interface mapping now?    forum.hibernate.org

Hi Javeer My experience with Hibernate is limited to the XML based mapping (not annotations), however, I can tell you that method-annotations declared on an interface will not "inherit" down to the actual methods that are implemented in your class / bean. However - through reflection, it would be possible to interrogate a bean's interfaces, and determine if there are any ...

90. Mapping annotation -> one class per table question    forum.hibernate.org

I'm hoping someone can help - I'm getting Hibernate to generate my tables for me (using new SchemaExport(config).create(true, true);). I have about 4 beans (annotated with @Entity) right now - each with an @Id @GeneratedValue id - and Hibernate is creating tables for each of them, which is exactly what I want. I'm running into issues when I try to persist ...

91. Difficult mappings using annotations    forum.hibernate.org

So, I have three entities in my schema, Person, Patient, and Doctor. Patient and Doctor both subclass Person, which is abstract. Also, Doctors have a one-to-many relationship with patients. I was just wondering what the best recommended mapping strategy would be for this situation. I'm looking for performance here, and will be performing many multi-join queries on this data (with the ...

92. converting Map to annotations    forum.hibernate.org

....

93. Mixing Inheritance Strategies with Annotations - Strange FKs    forum.hibernate.org

Hi *, after a couple of days searching for a solution to my problem I'm finally going to bother you with that issue. The project uses a mapping files as well as annotations. The annotations pertain a single class hierarchy. The root looks like this Code: @Entity(name = "rootentity") @Inheritance(strategy = InheritanceType.JOINED) public abstract class RootEntity implements SomeInterface { ...

94. annotations, query not mapped, although proper    forum.hibernate.org

ClientApp, Java: Code: @Entity @Table(name = "ClientApp", uniqueConstraints = @UniqueConstraint(columnNames = "appID")) Query methods, java (note that APP_ID actually represents appId: Code: public List findByProperty(String propertyName, Object value) { log.debug("finding ClientApp instance with property: " + propertyName + ", value: " + value); ...

95. Mapping Problem using hibernate and annotations    forums.oracle.com

Initial SessionFactory creation failed.org.hibernate.AnnotationException: mappedBy reference an unknown target entity property: domain.Termin.person in domain.Person.termine Exception in thread "main" java.lang.ExceptionInInitializerError at services.HibernateUtil.sessionFactory(HibernateUtil.java:39) at services.HibernateUtil.getSessionFactory(HibernateUtil.java:20) at test.Test.main(Test.java:20) Caused by: org.hibernate.AnnotationException: mappedBy reference an unknown target entity property: domain.Termin.person in domain.Person.termine at org.hibernate.cfg.annotations.CollectionBinder.bindStarToManySecondPass(CollectionBinder.java:552) at org.hibernate.cfg.annotations.CollectionBinder$1.secondPass(CollectionBinder.java:517) at org.hibernate.cfg.CollectionSecondPass.doSecondPass(CollectionSecondPass.java:43) at org.hibernate.cfg.Configuration.secondPassCompile(Configuration.java:1130) at org.hibernate.cfg.AnnotationConfiguration.secondPassCompile(AnnotationConfiguration.java:316) at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1286) at org.hibernate.cfg.AnnotationConfiguration.buildSessionFactory(AnnotationConfiguration.java:915) at services.HibernateUtil.sessionFactory(HibernateUtil.java:36) ... 2 more