1. Two collections manyToOne to same primary key stackoverflow.comI'm coding a web page in Hibernate-JPA and Oracle. I need the following: I have two classes: Place and Home. I need two collections of type Place in every Home: I do ... |
2. JPA - manytoone cascading stackoverflow.comI've got two entities ServiceDownload.java
Service.java
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3. hibernate ManyToOne why 2 queries are generated instead of one? stackoverflow.comMyTable is a table in my Oracle DB, it has a CMP_ID to join the COMPANIES table. Here is the Java implementation :
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4. Why does TypedQuery.getResultList() resolve every ManyToOne association with a seperate SELECT? stackoverflow.comConsidering the following simple entity association: (EntityA) *-1 (EntityB) made in database with a foreign key in EntityA (entityB_id). The JPA Entities are mapping this relationship unidirectional:
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5. JPA persist object in a ManyToOne relationship stackoverflow.comI have a company/employee
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6. Hibernate ManyToOne insert, then update stackoverflow.comI have 4 entities: Person ---> FooRole <---- PersonAtOrg ------> Org Person has a OneToOne with FooRole PersonAtOrg has a @ManyToOne for FooRole and Org. I lookup a Person that has a FooRole. ... |
7. JPA How to create Query with ManytoOne relationship? stackoverflow.comThe basic question: |
8. Writing HQL Query for ManyToOne Association stackoverflow.comHii, I have two entities with bidirectional association. Project.java
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9. multiple ManyToOne in JPA: updating/creating references stackoverflow.com(I'm a newbie in JPA)
I have 3 JPA entities: User, Setting and UserSetting.
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10. JPA: delete object from ManyToOne relationship doesn't update a parent collection stackoverflow.comI have ManyToOne relationship between Parent and Child. I want to Delete multiple Child entities that answer a certain query. The problem is that after I run a Delete query, Parent.getChildren() ... |
11. ManyToOne Hibernate a foreign key that doesnt have the same name in the two tables stackoverflow.comI did extensive research, but without success .. I have two tables: entité and reference. with fields of entity: id_entite, attribut1, attribute2, attribut3 fields of reference: num_reference, description_reference Now the data: ... |
12. Get ManyToOne Entity from other Entity properties stackoverflow.comI have an entity structure that looks like this:
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13. Hibernate - Cascading problems using ManyToOne association coderanch.comHello, I am working with Hibernate trying to get ManyToOne working. But problems of course since I am here... I am working with two classes (Tables) 1. Users 2. Incident The users are unique and the identifier is "email". One user can have multiple incidents but one incident can only have one user. Though it is not a bi-directional relation, incident ... |
14. JPA ManyToOne Mapping Question coderanch.comHi Experts, I have a situation where i have two entities namely Event and Employee. The Event entity has a ManyToOne relation with the Employee. For a given Date, there is a single record of event for an employee. Now, when i use employee.getEvents() , the list will be enormous . Say after 5 year will have 5*365 records for an ... |
15. ManyToOne - Mapping problem (Old DB) forum.hibernate.orgHello together, I have a problem with the @ManyToOne mapping. I get this exception: No row with the given identifier exists: [hibernate.data.OperatorDB#0] I have to say that bevor of using Java and Hibernate there was a C-ODBC solution, that could not handle null fields in the DB, so they decided to make all Fields 'not null' and wrote a 0 instead ... |
16. Create new ManyToOne Entities forum.hibernate.orgHello! Simple question: I have two tables, table1 and table2. table1 has one column table2id. Now I want to create a new entry in table1. Table1 t1 = new Table1(); Table2 just holds a status: Table2 t2 = new Table2(); t2.setId(1); t1.setTable2(t2); ...save... Well, sometimes this scenario works, sometimes not. In my case it just works for table id 1. If ... |
17. ManyToOne and Delete forum.hibernate.orgHello, i have to classes A und B they have a ManyToOne dependency . If i delete A , all b objects should be delete too. How can I do this? Code: public class B{ @ManyToOne(cascade = {CascadeType.ALL}) @Override public A getA() { return a; ... |
18. A simple ManyToOne association and a delete forum.hibernate.orgI have two classes User and Product. A Product has a unidirectional ManyToOne association to a User. Now a User instance is being deleted. I would like to know what are the possibilities for Hibernate to update the Product instances that references that specific user. Can I automatically set the association to null? Can I automatically delete the user? Or do ... |
19. ManyToOne relationship and Property using same column forum.hibernate.orgIm working with a legacy database and an application written for Apple WebObjects and migrating it to Hibernate. I'm trying to map a many to one relationship and its join column as a property. But Hibernate gives "Repeated column in mapping" error if i try to do that, unless i make one of them readonly with insert=false and update=false. But the ... |
20. ManytoOne not working forum.hibernate.orgWhy doesnt the following work versions hibernate-annotations-3.4.0.GA hibernate-distribution-3.3.2.GA hibernate-entitymanager-3.4.0.GA hibernate-validator-4.0.1.GA mysql-5.1.41-linux-i686-glibc23 I have entities as follows: Person, Gender, Title Person has gender_id and title_id as foreign keys, with foreign indexes set up to gender and title tables The only way i can insert a Person row is to populate persons Gender and Title attributes with rows read from the Gender and ... |
21. Problem with refresh ManyToOne relationship in session forum.hibernate.orgthis.session = HibernateUtil.pegarSessao(id); this.tx = this.session.beginTransaction(); return this.session .createQuery("from Contact WHERE customer.id = ?") .setInteger(0, customer.getId()) ... |
22. ManyToOne Relationship Causing A New Object To Be Created forum.hibernate.orgHi, I have a strange situation, not sure if anyone has seen this before, but I have a transient object, A, and want to set the relationships on this object, so I set the ManyToOne relationship by using the set method for B, and then I ensure that B has an instance of A in its collection of A, but when ... |
23. Unable to create ManyToOne relationship succesfully forum.hibernate.orgHi All, I'm trying to get started with Hibernate and JPA. I want to create a ManyToOne relationship between two Java objects. I'm not using any configuration XML files. I'm doing this all programmatically. I'm using the following code for configuring my Hibernate: Code: AnnotationConfiguration configuration = new AnnotationConfiguration(); configuration.setProperty("hibernate.connection.driver_class", "com.mysql.jdbc.Driver"); ... |
24. How to use ManyToOne to look up by other column first? forum.hibernate.orgHi, I'm wondering if it's possible to use a ManyToOne annotation to 'find or create' on the reference table. Code: class Foo { @ManyToOne(fetch=FetchType.EAGER) @JoinColumn(name = "reference_table_id") ReferenceTable referenceTable; ... } class ReferenceTable { @Id @GeneratedValue @Column(name = "id") Integer ... |
25. ManyToOne on existing entity forum.hibernate.orgHi All, Have a static table of content types with data similar to below: content_type, description application/XML, XML Document image/jpeg, JPeg Image Described below as: Code: @Entity @org.hibernate.annotations.Entity(mutable = false) @org.hibernate.annotations.AccessType("field") @Table(name = "CONTENT_TYPE") public class ContentType { @Id @Column(name = "content_type", updatable = false, insertable = false) private String contentType; ... |
26. ManyToOne non primary key - sequential select forum.hibernate.orgI have a ManyToOne from entity A to entity B on a non primary unique key. If I annotation the association with @LazyToOne and use build time instrumentation, I can get it to be loaded lazily. The problem I'm having is if I create a criteria query that does a join for this assoication, whenever I go to access entity B ... |
27. hbmddl creating unique column on ManyToOne foreign key forum.hibernate.org |
28. ManyToOne join column from other assocations forum.hibernate.orgNewbie Joined: Thu Nov 24, 2011 1:47 pm Posts: 3 Hello everyone. First question here. I want to make a mapping that look like this: Code: @Entity public class Event { @Id private Long id; @ManyToOne private Device device; ... |
29. Multiple ManytoOne mappings, join column forum.hibernate.orgIn my code I am using two ManytoOne mappings as follows: @JoinColumn(name = "Prompt_id", referencedColumnName = "Id", nullable = false) @ManyToOne(optional = false) private Prompt promptid; @JoinColumn(name = "Variable_id", referencedColumnName = "Id", nullable = false) @ManyToOne(optional = false) private Variable variableid; Prompt and Variable are tables with PK as Id in both. I am using them in a CallFlowMaster entity where ... |
30. Inheritance and ManyToOne link forum.hibernate.org@Entity @Inheritance(strategy = InheritanceType.JOINED) public abstract class PathElement extends CoreBase { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private long id; @ManyToOne(fetch = FetchType.LAZY) @JoinColumn(name = "parentPathElementId") private PathElement parentPathElement; @OneToMany(mappedBy = "parentPathElement", cascade = {CascadeType.PERSIST, CascadeType.MERGE}, fetch = FetchType.LAZY) private List |
31. Problem with two optional ManyToOne mappings forum.hibernate.orgNewbie Joined: Fri Feb 23, 2007 12:04 am Posts: 3 I'm having trouble when I try to persist objects of a class referencing two other persistence classes, either of which is always null. The class Counseling (a scheduled event for a user to either talk to a specific customer or do some other tasks) is referencing, as ManyToOne, both a Candidate ... |
32. CompositeID with ManyToOne forum.hibernate.orgNewbie Joined: Sun Feb 25, 2007 1:35 pm Posts: 5 Hello everybody, I've got a little problem using composite ID when refering in a ManyToOne association. In my application there are sites where the ID consists only of the name: Code: @Entity public class PokerSite { @Id private String siteName; ... |
33. ManyToOne using join field and annotations? forum.hibernate.orgI think this may not be possible with the current JPA annotations, but just wanted to confirm. I have a ManyToOne Child->Parent relationship that is not via a foreign key but instead via a shared identifier that happens to be unique on the Parent. 1) Is there any way to map this using the JPA annotations? 2) If not, is it ... |
34. Named Query on a ManyToOne mapped table forum.hibernate.orgHi, I am getting error while doing a findAll query on a table(Message - in my case) that has a foreign-key relationship with another table (Department). When I execute findall, it is mapping a String instead of Department object. How I have to define the NamedQuery in this case? Code: @NamedQueries({ @NamedQuery( ... |
35. IdClass instead of Entity in ManyToOne relationship forum.hibernate.orgHi, I want a many to one relationship however I want the IdClass object instead of the actual entity object. synthetic example: @Entity @IdClass(PlanetPk.class) class Planet { } @Entity class Ship { @ManyToOne PlanetPk homeWorld; } Why: I do not want to manage lazy loading and detached objects. I want to force the retrieval of the object in all scenarios by ... |
36. Optional ManyToOne forum.hibernate.orgNewbie Joined: Wed Dec 17, 2008 6:38 am Posts: 4 Hi everyone, I have a problem with ManyToOne relations with optional parameter set to true. I have a Project entity that contains a ManyToOne optional relationship to a ProjectEVA entity. Also I have another entity called ProjectBaseline that has a many to one relationship with Project. Now, I have the following ... |
37. Problem with ManyToOne cascade delete forum.hibernate.orgNewbie Joined: Fri Mar 27, 2009 7:09 am Posts: 3 Hi, I am using Hibernate core 3.2.6 and hibernate annotations 3.3.0 with spring and struts and MySQL 5.0 . I have problem with ManyToOne annotation. If I have for example table which looks like the one below... and I want to delete Employee with id=4 I cant do it...cuz this row ... |
38. ManyToOne cascade doesnt work forum.hibernate.org |