1. Hibernate - how to set null value so that cascading worked [interesting!]? stackoverflow.comI'm talking about a detached object, that later I want to update with saveOrUpdate(). How can we at the same time set null and clear() a referenced collection? A [1:1] B [1:M] C B ... |
2. cascade save in hibernate, foregin key is saved as null stackoverflow.comI have a class as follows |
3. hibernate processing flush-time cascades & dirty collections coderanch.com |
4. Hibernate - Getting null exception during delete cascade coderanch.comHi I have two objects. Offering is parent while OfferingMessage is child. Offering has a list of OfferingMessages. Following is how I am defining my Offering and OfferingMessage classes. Offering Class package com.shahkaar.domain; import java.util.ArrayList; import java.util.List; import javax.persistence.CascadeType; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.FetchType; import javax.persistence.JoinColumn; import javax.persistence.JoinColumns; import javax.persistence.OneToMany; import javax.persistence.Table; import javax.validation.constraints.NotNull; import org.hibernate.annotations.Cascade; import org.hibernate.annotations.Fetch; import org.hibernate.annotations.FetchMode; ... |
5. JPA: Transient References not resolved by Cascade forum.hibernate.orgHi all, this issue is probably extremly obvious and/or stupid, but I just can't figure it out. I got a small project with two Entites, below is the condensed code: Code: @Entity @Table(name="GAMES") public class GameEntity extends JavaEntity{ ..... @Column(name="GAME_TEAM1", nullable=false) @ManyToOne(cascade = {CascadeType.PERSIST, CascadeType.MERGE}) ... |
6. CollectionOfElements and cascade delete forum.hibernate.orgHi! I have a bean property with following annotations: @CollectionOfElements(fetch = FetchType.EAGER) @JoinTable(name = "DICT_ITEM_EXT_ATTR") @org.hibernate.annotations.Fetch(value = org.hibernate.annotations.FetchMode.SUBSELECT) @Column(length = 4000) @org.hibernate.annotations.Cache(usage = org.hibernate.annotations.CacheConcurrencyStrategy.TRANSACTIONAL) public Map |
7. Enable Cascade - On delete set null forum.hibernate.orgHi everyone! Is it possible to set a cascade type on a Collection to set child field to null when a parent is deleted. I'll give you an example. I get two object : Classification and Taxo. Classification is the parent and Taxo, the child. A Taxo don't have to get any Classification. (so it's a "not-null=false"). My mapping is ok ... |
8. Cascade set null forum.hibernate.org |
9. Getting null exception during delete cascade forum.hibernate.orgNewbie Joined: Thu Jun 10, 2010 7:26 pm Posts: 2 Hi I have two objects. Offering is parent while OfferingMessage is child. Offering has a list of OfferingMessages. Following is how I am defining my Offering and OfferingMessage classes. Offering Class Code: package com.shahkaar.domain; import java.util.ArrayList; import java.util.List; import javax.persistence.CascadeType; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.FetchType; import javax.persistence.JoinColumn; import javax.persistence.JoinColumns; import ... |
10. Cascade save and Unidirectional navigability - FK not null forum.hibernate.orgI have run into an issue where I would like to force navigability a certain way per our requirements. I do this as follows: Table A is a parent of Table B and B has a FK to A that is set to NOT NULL. This is a 1:M relationship respectively. In Hibernate, I have Object A with a Set of ... |
11. CASCADE SET NULL:deleted object would be re-saved by cascade forum.hibernate.orgI have two losely coupled objects. Currently I use lifecycle methods (onDelete) to perform an 'on cascade set null' operation. But there should be a more elegant way, shouldn't it? I use an unordinary Category and Product scenario for demonstration but in real I need it for some other relations. By deleteing the category containing the product, the product should remain ... |
12. Cascade of set element type = string does not occur forum.hibernate.orgAuthor Message jbevan Post subject: Cascade of set element type = string does not occur Posted: Fri Aug 27, 2004 3:09 am Newbie Joined: Wed Aug 04, 2004 4:16 pm Posts: 12 Location: UCSC Hi all, I seem to have come across a point where what I see in the hibernate source code and what I understand from Chapter ... |
13. Howto avoid a lazy init when key=null (cascade=true) ? forum.hibernate.orgHibernate version:2.1.6 Mapping documents: ------- Move ------- |
14. not-null violation when using cascade="all-delete-orpha forum.hibernate.org |
15. Problem with cascading Oracle CLOBs forum.hibernate.orgWe are using Lukasz's "Updated Clobs handling for Oracle and Hibernate" solution and experiencing a problem. The table which contains the CLOB is working fine. However, we are using this table cascaded from another table and it randomly fails to insert to the parent table. Let me illustrate what I mean... |
16. Cascade delete with not null column forum.hibernate.orgNewbie Joined: Wed Jan 19, 2005 11:10 am Posts: 4 Location: Brazil Hi, I'm trying to do a cascade delete in a many-to-one relation using the native feature from Hibernate. The feature was working fine before I set the foreign-key in child to not-null. After this, I had see the Hibernate is doing a update in child, setting the parent's foreign-key ... |
17. Thorny equals/hashCode problem involving cascades forum.hibernate.orgAs recommended in HIA and the reference docs, my objects implement equals and hashCode using 'business key equality', or 'the natural key I would be using if I wasn't using surrogate keys'. This means that they exclude the identifier property (because that breaks sets on save in the well understood way), but they do sometimes include the identifier properties of their ... |
18. Cascade delete causes timestamp update on parent forum.hibernate.orgAuthor Message jweinstock Post subject: Cascade delete causes timestamp update on parent Posted: Tue Dec 06, 2005 2:14 pm Newbie Joined: Sat Nov 05, 2005 3:10 pm Posts: 2 We are experiencing an issue where, when we perform a delete on a parent object, the delete operation causes an update stmt to be issued against the database when the ... |
19. Cascade save() -> "the given object has a null ident forum.hibernate.orgThis is the simple Parent/Child problem. Both Parent and Child have pk as Integer id I need to create/insert a Parent along with many children in same time Code: Parent parent = new Parent("Parent"); parent.addChild( new Child("First") ) parent.addChild( new Child("Second") ) session.save( parent ) where addChild is bi-directional parent is set in child Parent mapping Code: |
20. Null Pointer with Cascading merges on SortedSet Comparator forum.hibernate.orgPage 1 of 1 [ 1 post ] Previous topic | Next topic Author Message pants Post subject: Null Pointer with Cascading merges on SortedSet Comparator Posted: Fri Jun 16, 2006 12:51 pm Newbie Joined: Tue Jan 04, 2005 9:30 am Posts: 5 I'm having a strange issue with cascading merges ... |
21. UserType and cascade forum.hibernate.orgHi, i've implemented a UserType to do some custom persitence and it works nicely. However, the item that is persisted using this type holds onto objects that are persisted using the normal Hibernate mapping approach. So my referenced objects aren't getting persisted. How do I cascade? I have this sort of thing: |
22. Howto cascade on delete=set null? forum.hibernate.org |
23. NPE when removing cascaded transient instances forum.hibernate.orgHi, I just hit an NPE which will happen when removing cascaded transient instances. Here are the relevant code lines from the code stack below: Code: DefaultDeleteEventListener.java:183: if ( transientEntities.contains( entity ) ) { DefaultDeleteEventListener.java:81: deleteTransientEntity( source, entity, event.isCascadeDeleteEnabled(), persister, transientEntities ); SessionImpl.java:775: ... |
24. Null values and Cascade deleting forum.hibernate.org |
25. On delete cascade / set null forum.hibernate.org |
26. Setting null with cascade="delete-orphan"? forum.hibernate.org |
27. Many-to-one with cascade="none" AND null values forum.hibernate.orgHi Guys, I have a small problem with many-to-one relationship. I have a table called inputs which has many-to-one relationship with a table called webpages, now an input can either have a webpage or a null value, i can save it in the database in either case but when i try to delete an input with null webpage value it throws ... |
28. two cascading paths - null or transient value exception forum.hibernate.orgShould I expect some intelligence from Hibernate when an object can be reached through two paths: an all-cascading and a non-cascading association path? I would expect that Hibernate notices that the object should be persisted, but this doesn't seem to be the case. I also didn't find any guarantee in the EJB3.0 specification. Here is an example: I have a parent ... |