In ORM and OOP , a transient field is generally a field that isn't included in the serialization process. Use this tag for questions related to behavior related to the transient keyword.
Questions tagged [transient]
414 questions
0
votes
2 answers
Nullify transient references in Hibernate
I have a scenario where I need to Delete a parent entity and In doing so I need to nullify the references associated with the parent.
e.g. I have two tables/entities Person and Address.
Person is the parent and Address is the child (One to…
user1679893
- 19
- 1
- 3
0
votes
3 answers
Transient field not null when loading entity second time using HSQLDB
I have an Entity that, simplified, looks like this:
@Entity
@Table(name = "SOMETABLE")
public class SomeEntity {
// real code has id and more columns
@Column(name = "SOMECOLUMN")
private String someColumn;
@Transient
private…
Magnilex
- 11,584
- 9
- 62
- 84
0
votes
1 answer
Flex transient dto stop collectionChanged event custom ComboBox
I am having an issue with the collectionChanged event being fired when a transient property of a DTO is changed. I have a custom ComboBox, which has a CheckBox itemRenderer for each row, that stays open till the user moves focus away from it. The…
Mr. Polywhirl
- 42,981
- 12
- 84
- 132
0
votes
1 answer
Merging deserialized objects with their originals
I am implementing a client server protocol using UDP sockets for a game in java. I am sending user input from the client to the server, where the server processes the input and updates a Level object containing players and other game objects. I am…
Chris
- 1,163
- 3
- 13
- 22
0
votes
2 answers
Coredata - Using configurations to manage transient entities
I'm trying to use configurations to manage transient entities in core data.
First, i have created 2 coredata configurations named "Persistent" and "Transient".
Then, i have created the entities and i have associated them with the right…
Laurent Michenaud
- 11
- 3
0
votes
3 answers
why transient variable's state is stored in singleton object?
package p1;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import…
AmitG
- 10,365
- 5
- 31
- 52
0
votes
1 answer
Performing an intensive task in the getter of a transient property in Core Data
I have an entity named Group.
The Group entity has a transient attribute named displayImage.
This displayImage is computed on the fly. The computations involve 2 or more image rotations, scaling. and cropping. Note: the images involved in the…
MiuMiu
- 1,905
- 2
- 19
- 28
0
votes
0 answers
Using domain classes as both persistent and transient?
I am implementing a trading system, and I want to use the same code for both live trading and backtesting. When doing live trading, I need to persist everything that happens, but when backtesting, I would like to use the same classes and logic but…
greymatter
- 840
- 1
- 10
- 25
0
votes
1 answer
Why this calculated property in my OpenXava transient view is not working
first to all this new thread is related to this one:
Updating certain view programmatically from a JMS listener class
Now, additional to this lack of server-push feature, I have other problem with a simple calculated property which I have in the…
HayrolR
- 761
- 5
- 9
0
votes
1 answer
Issues using WordPress transient caching and AJAX json script
I have a WordPress plugin that I am working on that Polls all the major Social Networking sites and returns the social counts ( followers ) for a specific user.
This can be quite slow and intensive on the server so I have built the plugin using…
Jason
- 4,899
- 12
- 47
- 56
0
votes
1 answer
How do I instantiate transient members after an object is read from mongodb
I'm using MongoRepository for saving/retrieving an object in MongoDB. I have an object with properties defined as such:
@Document
public class ConfigurationItem {
String s1;
@Transient
String s2;
}
The repository will save/retrieve…
TheZuck
- 3,513
- 2
- 29
- 36
0
votes
1 answer
Transient Exception using persist() method of JPA.. Doubts in persistence of entities.. Which side to persist?
First time I am using the persist() method in a project. With JPA I am using Hibernate as the provider. The case is pretty simple. I have 2 tables
Company - Company_id (PK, a sequence), G_Company_id (Would also be unique)
CP_Doc - Chronicle_id…
abhihello123
- 1,668
- 1
- 22
- 38
0
votes
3 answers
Hibernate not fetching public member
Consider the following code:
@Entity
@Table(name = "a")
public class A implements Serializable
{
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
@Column(name="id")
public int id;
@Transient
public B b;
public B…
Jesse
- 1,485
- 1
- 12
- 21
0
votes
1 answer
iOS - core data - UITableView - update calculated value - NSFetchedResultsController
Overview
I have an iOS project using core data (NSFetchedResultsController) and table view. I have a field called "joingDate".
I have a set of labels on the table view cell to represent the data.
If the joiningDate is today / tomorrow, then I would…
user1046037
- 16,755
- 12
- 92
- 138
0
votes
1 answer
In Hibernate JPA; even after I am committing transaction; the transient variables values are intact
I have an entity; which has transient variables. After I commit this entity; I thought that when next time I do any operation on this entity ( without jvm restart like an update on entity) ; those transient values will be reset to null but its not…
Deepak Singhal
- 10,568
- 11
- 59
- 98