1. Hibernate One-To-Many Unidirectional on an existing DB stackoverflow.comHello Stack Overflow Experts, i have need of your expertice: I am trying to use Hibernate on an Existing DB. Currently im trying to load a User object and a list of UserData ... |
2. Hibernate Unidirectional Parent/Child relationship - delete() performs update on child table instead of delete stackoverflow.comIf I delete a record from the Parent table I want the corresponding records in the child table to be deleted. How can I make Hibernate delete from the Child table ... |
3. One-to-Many Unidirectional Parent-Child ID Cascade Save stackoverflow.comWhen trying to save an ID from my parent class into a child class, I keep getting the error "ERROR - Field 'parent_id' doesn't have a default value" I have tried all types ... |
4. Hibernate - How to cascade deletes using annotations where only unidirectional child relationship is specified stackoverflow.comSupposing I have two entities a parent object and a child. I want the child to have a relationship specified to the parent entity and a reference, but I don't ... |
5. Persisting set of Enums in a many-to-many unidirectional mapping stackoverflow.comI'm using Hibernate 3.5.2-FINAL with annotations to specify my persistence mappings. I'm struggling with modelling a relationship between an Application and a set of Platforms. Each application is available for a ... |
6. JPA / Hibernate unidirectional one-to-one mapping with shared primary key stackoverflow.comI'm having a very hard time trying to get a unidirectional one-to-one relationship to work with JPA (Provider: Hibernate). In my opinion this should not be too much of a hassle ... |
7. JPA manytomany unidirectional mappings stackoverflow.comI have two class one is task and other agent .Task has a list of agents as below |
8. JPA manytomany unidirectional mapping stackoverflow.comI have to class one ExternalTask and the other ExternalSource and ExternalTask has a List of ExternalSource .And relation manytomany unidirection obviously from ExternalTask to ExternalSource. When ... |
9. Hibernate UniDirectional ManyToOne query by child's property stackoverflow.com |
10. JPA @manytomany unidirectional mapping stackoverflow.comWhen I try remove ExternalDataStorage This query throw a constraint violation exception with constraint name null .ExternalDataStorage has no relation mapping on it.Query first check ExternalTasks whichs contain ExternalDataStorage(Which ... |
11. Initialize dependent object in simple unidirectional OneToOne mapping stackoverflow.comI have a problem with a simple unidirectional mapping. Here are my entities: |
12. one to many unidirectional hibernate mapping doesn't save the child table stackoverflow.comI have two tables called |
13. Why unidirectional one-to-many association on a foreign key is an unusual case and is not recommended? stackoverflow.comAt link http://docs.jboss.org/hibernate/core/3.6/reference/en-US/html/associations.html#assoc-unidirectional-m21 it is said that A unidirectional one-to-many association on a foreign key is an unusual case, and is not recommended. Instead the documentation ... |
14. hibernate one- to one unidirectional mapping coderanch.com |
15. one to one unidirectional mapping in jpa coderanch.comHello , Trying to learn JPA . Am trying an example of Master Child relation but using One to One Mapping The mapping is unidirectional . "User" is the "Master Table" ( fields are :: id ( PK ) , name ( varchar ) "UserAddress" is Child Table with a foreign key referencing "User" ( fields are :: id ( PK ... |
16. JPA Unidirectional 1to1 mapping issue: A Foreign key has the wrong number of column. should be 2 coderanch.comYup, here's Credentials: package models; import java.io.Serializable; import java.util.Date; import javax.persistence.CascadeType; import javax.persistence.Entity; import javax.persistence.EnumType; import javax.persistence.Enumerated; import javax.persistence.OneToOne; import javax.persistence.Table; import com.google.gson.Gson; import play.db.jpa.Model; import tools.Passwords; @Entity @Table(name="awCredentials") public class Credentials extends Model implements Serializable { public enum Role { SUPER,ADMIN,BASIC } @javax.persistence.Id @javax.persistence.GeneratedValue public Integer id; public String email; public String password; @Enumerated(EnumType.STRING) public Role role; public Date created; ... |
17. XML mapping for unidirectional many-to-many with join table forum.hibernate.orgI'm trying to port our current Hibernate/JPA annotations to Hibernate XML mappings and I've currently gotten stuck on the following relationship: @ManyToMany(cascade = {CascadeType.PERSIST, CascadeType.MERGE, CascadeType.REFRESH }, fetch = FetchType.EAGER, targetEntity = Classifier.class) @IndexColumn(name = "list_index") @JoinTable(name = "product_classifiers", joinColumns = { @JoinColumn(name = "product_id") }, inverseJoinColumns = @JoinColumn(name = "classifier_id")) public List |
18. Multiple Unidirectional ManyToOne mappings to single class forum.hibernate.orgHi, I have a simple global status field in many of my entity classes (for example, User, UserGroup, Organisation) that should be either set to "LIVE","DEAD" OR "SUSPENDED". One way I could implement this is just using a string field in each of the classes. However, I would prefer to record an entities state using an id (eg id_status) which would ... |
19. Collection mapping unidirectional on a single column? forum.hibernate.org |
20. mapping unidirectional one-to-many with join table forum.hibernate.orgstill having the same problem. trying to fix it since 5 days now! this problem is really absurd, this is the most basic thing Hibernate should be able to do but it doesn't work for me. these are the things i've tried/checked so far with no success: * used MySQL instead of HSQLDB * changed the mapping from many-to-many to one ... |
21. Cascade DELETE in unidirectional ManyToOne forum.hibernate.orgi don't think that this is possible. how should Hibernate know that you want to cascade deletions from parent to child if you don't tell it with an @OneToMany? an @OneToMany on the parent side tells Hibernate to replace the Set (or whatever kind of collection you are using) with a PersistentSet which tracks changes made to the collection and therefor ... |
22. Problem with unidirectional oneToOne mapping forum.hibernate.orgHello everyone. I am very new to either Hibernate or JPA. I am stuck on this oneToOne mapping issue and I hope that someone here might be able to help me. I have the following class structure @Entity @Table(name="FORM_ELEMENT") @Inheritance(strategy=InheritanceType.SINGLE_TABLE) @DiscriminatorColumn(name="ELEMENT_TYPE") public abstract class FormElement{ @Id protected Long id; @Column String uuid; } public class ContentElement extends FormElement{} public class QuestionElement ... |
23. Unidirectional One-To-Many mappings forum.hibernate.orgHi all, In Hibernate Annotations reference Guide part 2.2.5.3.1.2. Unidirectional one-to-many mappings there is the the example given below. Can someone fill in the inside of getTickets() function? if it returns set of tickets where are these tickets declared? Kind Regards, @Entity public class Customer implements Serializable { @OneToMany(cascade=CascadeType.ALL, fetch=FetchType.EAGER) @JoinColumn(name="CUST_ID") public Set |
24. unidirectional ManyToOne and "ON CASCADE DELETE" forum.hibernate.org |
25. Unidirectional Mapping - Null Problem forum.hibernate.orgIf I create a parent object with a name, and a set of children, and a child object with a name, this is a unidirectional one-to-many relationship pretty similar to what's shown in the documentation. Now, theoretically, since the Child is persistable alone, its parent key should be nullable. In practice, I can control this to prevent that from happening, by ... |
26. How to map a one to many unidirectional association ? forum.hibernate.orgHi I would like to map an unidirectional one to many association with hibernate. I found in the 18.3 Reference Chapter The Order to LineItem association which is what i m looking for. Here is what i have Postcard contains a list of PostcardStatus: Code: |
27. unidirectional not-null M-1 do not update with child key. forum.hibernate.org2004-11-25 10:40:00,520 DEBUG [net.sf.hibernate.impl.SessionFactoryObjectFactory] JNDI lookup: hibernate/HibernateFactory 2004-11-25 10:40:00,520 DEBUG [net.sf.hibernate.impl.SessionFactoryObjectFactory] lookup: uid=8ae496f7006edfbb01006ee2ea170001 2004-11-25 10:40:00,520 DEBUG [net.sf.hibernate.impl.SessionImpl] opened session 2004-11-25 10:40:00,581 DEBUG [net.sf.hibernate.impl.SessionImpl] saving [com.palantir.db.SHStakeholder# |
28. Unidirectional Mappings with generated IDs and cascading forum.hibernate.orgI have a problem persisting two simple classes referencing each other in two independent unidirectional associations. Here is what I do to create and persist my objects: ClassA classA = new ClassA(); ClassB classB = new ClassB(); classA.setClassB(classB); classB.setClassA(classA); session.save(classA); Cascading is set to "all" for both associations and the code seems to work except for the missing foreign key value ... |
29. unidirectional 1:N cascade save with foreign key in child forum.hibernate.orgAuthor Message ochan Post subject: unidirectional 1:N cascade save with foreign key in child Posted: Wed Jun 29, 2005 10:13 pm Newbie Joined: Wed Jun 29, 2005 7:54 pm Posts: 1 Group class has a collection of Member class. However, Member does not have direct reference to the Group. Hence, it is unidirectional 1:N. However, there is a twist ... |
30. Mapping Exception With a Unidirectional Mapping Reference forum.hibernate.orgBeginner Joined: Mon Aug 15, 2005 4:37 pm Posts: 27 Location: Washington DC Hi , I have a Java class(A) which is a mapping to a lookup table. Its primary key is referenced as a foreign key in another java class(B) which has a many to one mapping from that other java class(B) to this java class(A). When i try to ... |
31. Mapping ManyToMany Unidirectional Relationship With Annot. forum.hibernate.orgI'm trying to do a simple unidirectional many-to-many mapping with annotations. For some reason the inverseJoinColumn appears to be ignored and 'elt' is used in it's place. The join table has two columns profile_id and role_code that map to the primary keys in their associated parent tables. The only thing worth noting is that the primary key in Role is defined ... |
32. unidirectional parent child cleanup. forum.hibernate.orgHello again, I was wondering if anyone has an answer for this question I previously posted. http://forum.hibernate.org/viewtopic.ph ... highlight= I am switching over a dao from ejb2x to hibernate3 and cannot replicate the functionality that was available with ejb2. Summary of the problem. Have object model like such. class User { String id; Role userrole; } class Role { String id; ... |
33. one-to-one mapping and unidirectional? forum.hibernate.orgbjorntj wrote: I have a book that says one-to-one association needs to be bidirectional, is this correct? Even if I always load from one side of the relation? Regards, BTJ All depends from which side you are loading. If you are loading in the object that maps to the table with the foreign key, then you only have to do it ... |
34. UniDirectional Many-to-One Mapping forum.hibernate.orgMaybe Status is not in package com.log? Someone more experienced with hibernate might be able to help, I'm afraid I can't guess too much without the full mapping documents and classes. Post them if possible. Meanwhile, try copying the mapping of Status.hbm inside Response.hbm and see if it solves the problem, if it does, then Status.hbm is not being read. |
35. Help with a Unidirectional OneToOne Mapping forum.hibernate.orgIf I understand you correctly, the generic profile table has no reference to the image table, but the image table does to profile. This is a basic and highly used relationship type and Hibernate 3 doesn't support it. H3 only does one-to-one unidirectional from a table to another, so Generic profile would have to have the foreign key id of image. ... |
36. Deleting child in a one-to-many unidirectional mapping forum.hibernate.orgHi, I am using a one-to-many unidirectional mapping. I am trying to delete the child records, but all Hibernate does is to set the foreign key to null, resulting in orphan records. Using cascade="all-delete-orphan" did not work. Is there any workaround this? I am unable to change it to bidirectional due to some contraints. Thank you in advance. Regards, Vail |
37. Unidirectional Mapping - Help needed on Cascade Options forum.hibernate.orgHi, Please forgive of the question is stupid...I am a beginner... How should I map to suit this situation? I have two entities Employee and Location. The Location table in the database has to be just used as a static lookup table to populate a drop down box in my JSP. The problem is that when I fetch the details from ... |
38. one-to-one unidirectional mapping not working forum.hibernate.orgHi All, I have 2 objects. A Language Object and a User Object. I want a one-to-one unidirectional mapping. The User has an instance of Language but not the other way around. So in short User knows about Language but NOT the other way around. I want to map it like this: |
39. Unidirectional relationship after deleting a child object forum.hibernate.orgHello, I'm facing what looks like a a common problem, but can't find the solution (or is it right before my eyes?) I have many "many-to-many" unidirectional relationship in my application defined as this: Code: |
40. ManyToOne Delete cascade unidirectional -Conclusion- forum.hibernate.org@Entity public class Parent { private List |
41. Unidirectional ManyToOne association with Java5 Annotations forum.hibernate.orgHi All, I am using Hibernate 3.2.1 with Java5 annotations and MySQL as database. In my domain model I have an entity "ApprovalRequest" which has a unidirectional ManyToOne association to an entity "Image". Code: public class ApprovalRequest { @ManyToOne private Image image; ... } public class Image { ... } Per default hibernate seems to ... |
42. mapping unidirectional 1-to-1 w/ foreign key in wrong table forum.hibernate.orgHopefully, this is a simple mapping question. Class A has a 1-1 unidirectional mapping to Class B, but in the schema I'm working with Table B has the foreign-key mapping back to Table A. I can't use a one-to-one mapping because I'm not using a shared primary key. Nor can I use a many-to-one mapping with unique="true" and column="fkcol" because the ... |
43. JPA Unidirectional ManyToMany delete forum.hibernate.orgHi, I am having trouble deleting an entity in a unidirectional manytomany relationship: @Entity class Person{ @Id String id; } @Entity class Group{ @Id String id; @ManyToMany Set |
44. is a unidirectional Map possible? forum.hibernate.org |
45. unidirectional collection mapping forum.hibernate.orgAfter a huge step by step debug session I found the solution in IndexedCollection.createPrimaryKey() Code: if (isFormula) { //if it is a formula index, use the element columns in the PK ... |
46. Deletes with unidirectional many-to-one mapping forum.hibernate.orgHi all. I'm running into an issue migrating to hibernate that I've not been able to solve. I'm modeling servers connected to a cluster. A server has a property that indicates what cluster the server was last connected to. The cluster does not have a reference back to what comm servers was last connected to the cluster. I've recently migrated from ... |
47. Unidirectional - adding new child removes existing childs forum.hibernate.org |
48. delete Entity wich is used in unidirectional ManyToMany forum.hibernate.org |