transient Questions
2
Solved
If I try to do 1000 000 assoc! on a transient vector, I'll get a vector of 1000 000 elements
(count
(let [m (transient [])]
(dotimes [i 1000000]
(assoc! m i i)) (persistent! m)))
; => 100000...
Sapienza asked 16/4, 2015 at 19:58
3
Solved
I'm trying to persist Maps of properties as single JSON-encoded columns, as shown in this question.
The problem I'm having is that apparently transient properties cannot be set in the default map ...
Herewith asked 9/9, 2014 at 15:55
2
Solved
I have a Grails domain called People, and I want to check that each People has childs or not. Childs are other People objects. Here is my domain structure:
class People implements Serializable {
...
2
Solved
So I have learned that the transient keyword in Java means that an entity does not persist, and that the @Transient annotation in JPA means don't persist a field to the database. But what does it m...
Thrave asked 31/1, 2014 at 9:53
6
Solved
From the question Why does Java have transient fields?. I am able to understand the transient. But, not able to evaluate to using transient keyword at the time of designing.
public class A impleme...
Blasphemous asked 22/1, 2014 at 6:19
4
Solved
I have an issue related to the transient keyword's use before the private modifier in java .
variable declaration:
transient private ResourceBundle pageResourceBundle;
My class looks lik...
Cocktail asked 20/12, 2013 at 9:40
2
Solved
Should I declare injected variables as transient in Java EE?
I am getting a FindBugs warning:
Class com.playaround.HelloServlet defines non-transient non-serializable instance field acceleratio...
Macey asked 23/9, 2013 at 14:48
2
Solved
what's the best solution to set a value for a field marked @Transient after the entity has been read from the data source?
I'm using EclipseLink and I'm trying the DescriptorEventAdapter with his ...
Morphophonemics asked 30/8, 2013 at 15:49
1
Solved
In the Java reflection world -
how do we find out if a Field object has the transient modifier?
http://docs.oracle.com/javase/tutorial/reflect/member/fieldModifiers.html
the documentation is not...
Greywacke asked 26/8, 2013 at 3:37
1
Solved
Ok, I initially wanted to make NSSortDescriptor of a request for NSFetchedResultsController to sort based on the property in my NSManagedObject subclass, but It obviously won't do it, because NSFet...
Halcomb asked 25/7, 2013 at 9:2
2
Solved
I am new at core data and am trying to figure out how to create a custom sectionNameKeyPath in my NSFetchedResultsController. I have a managed object with an attribute called acctPeriod. It is a NS...
2
I am dealing with a fairly complex object graph in my database. I am using XStream to serialize and deserialize this object graph which works fine. When I import an object graph of an object that e...
1
Solved
I have a JSF Beans structure of this sort:
@ManagedBean
@ViewScoped
public class ViewBeany implements Serializable {
....
@ManagedProperty(value='#{sessionBeany})
transient private SessionBeany...
Garzon asked 6/1, 2013 at 15:34
1
Solved
I just want to know what is the difference between all these annotations. Why are we using these... means they have no effect especially field level and property level.
And what is the purpose of ...
4
Solved
Can a transient field in a class be obtained using reflection? (using getDeclaredField(..))
Replay asked 13/2, 2010 at 6:41
1
Solved
Let us consider two Grails domain example classes.
1st class:
class Person {
String name
Integer counter = 0
static transients = ['counter']
}
2nd class:
class Vehicle {
String name
tr...
Wattle asked 17/9, 2012 at 15:12
2
Solved
I'm using a core data, NSFetchedResultsController UITableView, with a transient NSDate attribute. The main reason I have this as a transient property is so my UITableView entries get put into secti...
Swellfish asked 4/8, 2012 at 21:3
3
Solved
I have JPA entities where some properties are annotated with @Transient.
Should I use these properties in equals/hashCode/toString methods?
My first thought is NO but I don't know why.
Tips?
I...
1
Solved
With Java Serialization, I understand that when a field is marked as transient, it is not serialized. So when the object is deserialized, what happens to the fields that were set to
transient? Do t...
Intine asked 14/3, 2012 at 1:33
1
Solved
Is there any reason at all to model a transient attribute for a derived property if it is read only? It seems like a lot easier to just declare a property in my customized class and then calculate ...
1
I like the constructor injection of CDI a lot but now I found a usecase where constructor injection apparently doesn't work as expected.
In my example I have two classes. Class "BeanA" has no expl...
Leaseholder asked 12/1, 2012 at 23:34
2
I'm having trouble with setting up a transient property in Core Data. The problem I'm trying to solve is: I have a collection of objects successfully stored using Core Data. This collection is esse...
3
Suppose I have a User entity like this:
class User {
private String login;
transient private String hashedPassword;
}
I don't want to ever transfer hashedPassword to clients, so I make it tran...
Idem asked 28/12, 2011 at 18:10
2
Solved
According to Serializable javadoc, readResolve() is intended for replacing an object read from the stream. But surely (?) you don't have to replace the object, so is it OK to use it for restoring t...
Silvia asked 10/5, 2010 at 8:11
1
Solved
I read the documentation on transient properties but I can't really understand their purpose. Can someone tell me the difference between having and not having a transient property if I have a custo...
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