Questions tagged [persistent-set]
9 questions
4
votes
1 answer
Get IDs out of Uninitialized Persistent Collection
I have a situation that I have not found an answer to when looking through the Hibernate API documentation or on SO.
We have a disconnected setup, and we send entities and collections back across the wire. We are looking at a way to use a localized…
aperkins
- 12,914
- 4
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- 34
2
votes
2 answers
how to sort persistentSet of grails objects?
I have two domain models:
class Resource{
String name
static mapping = {
sort name:"asc"
}
}
class ResourceGroup{
String groupName
static hasMany = [resources: Resource]
}
controller:
def resGroups =…
grailsInvas0r
- 655
- 2
- 10
- 25
1
vote
1 answer
New entity in a set is not persisted
JPA + Hibernate
I'm using this code to create a new AvatarAttributeOwnership (AAO) and assign it to a Player. However, the new AAO is not persisted to the database.
// get player
player = em.find(Player.class,…
Bart van Heukelom
- 43,244
- 59
- 186
- 301
1
vote
1 answer
Save order of set in hibernate
I have two collections, which by default are set to PersistentSet by hibernate. The issue is that under the hood hibernate casts them to HashSet, but I want them to be set to LinkedHashSet, as I want to preserve the order in which the elements are…
Alexander Mladzhov
- 545
- 8
- 31
1
vote
0 answers
Hibernate - no updates on PersistentSet
I am using JPA 2.0 standard and hibernate as the persistence provider. While working with ElementCollections I am curious to know why aren't org.hibernate.collection.PersistentSet updatable?
The method isRowUpdatePossible() in PersistentSet returns…
Andy Dufresne
- 6,022
- 7
- 63
- 113
1
vote
2 answers
What should be done to get the Persistent Set filtered using a query condition
I'm having two DAO classes FeeGroup and FeeHeading like this
class FeeGroup {
private int id;
private String name;
private Set feeHeadings;
private booelan isActive;
//getters & setters
}
class FeeHeading {
…
Arun Sudhakaran
- 2,167
- 4
- 27
- 52
0
votes
1 answer
Change Hibernate's PersistentSet to HashSet
I have a program that compares objects from 2 databases.
I have objects from 2 different databases and I have to compare them. The problem is that hibernate returns a PersistentSet and this causes the program to fail as it only supports Java…
ds2799
- 59
- 6
0
votes
0 answers
Converting Hibernate's PersistentSet into CopyOnWriteArraySet
I am using CopyOnWriteArraySet in the following class because I simply like its thread-safe iterator.
public class MyClass{
Set _children = new CopyOnWriteArraySet();
public void setChildren(Set children){
_children = children;
}
public Set…
Timo Ernst
- 15,243
- 23
- 104
- 165
0
votes
1 answer
Hibernate PersistenceSet and Lombok EqualsAndHashCode issue
I have an entity, let's say an item which uses a Lombok annotation
@EqualsAndHashCode(callSuper = true) which autogenerates equals() and hashCode() methods.
The entities are put inside a HashSet collection.
The problem is that when I am getting the…
PrzemyslawP
- 190
- 1
- 13