1. Unreliable Hibernate Objects stackoverflow.comI've run into a situation where the Hibernate object passed back from the query is unreliable. Consider the following code: |
2. Partially object loading in Hibernate stackoverflow.comI have a class that sometimes is not necessary to load fully. Can I load it partially, or I need to create light version of class (and new mappings for it)? For ... |
3. Cleanse Hibernate from my object but don't lazy load stackoverflow.comI have an JPA+Hibernate entity that I need to send via RMI to a client that doesn't know Hibernate, so I've made a method to "cleanse" Hibernate from it: |
4. Hibernate, writing domain objects to an interface for lazy loading stackoverflow.comWhy does hibernate require it's entities to be written to an interface in order for them to work correctly with lazy loading? |
5. hibernate, How to load complex object in real world stackoverflow.coma real production scenario. background: 6 tables: Fund, Account, period, periodweight, holding, position. |
6. is this the right way to load object? stackoverflow.coma real production scenario. background: 6 tables: Fund, Account, period, periodweight, holding, position. |
7. hibernate object loading failing stackoverflow.comI am using Java and Hibernate in my project. I am facing a very peculiar problem. Whenever i load an entity, select in not fired on the database, instead whenever i ... |
8. Storing and loading objects into Hibernate coderanch.com |
9. Load only the part of the object desired forum.hibernate.orgHi, If I do a hibernate load, the whole object gets loaded with an SQL query involving all the columns of the table. Hpwever, I am interested in only certain part of the Object i.e. a few columns. Can I not pass in these column information, get back an Object and expect to have the info I asked for, with the ... |
10. Selective Loading of objects forum.hibernate.orgHi, I have a BusinessEntity -> Components relation that I have modelled in Hibernate. In our case, we dont really delete components but just mark one of the columns as true. What I want is, when I do a get() in hibernate or during lazy loading of my components, to be able to retrieve only the rows that dont have the ... |
11. Load Contact object by email forum.hibernate.orgpublic Contato load(Contato contato) { Criteria crit = session.createCriteria(Contato.class) .add(Restrictions.ilike("email", contato.getEmail(), MatchMode.EXACT)); return (Contato) crit.uniqueResult(); //return (Contato) session.load(Contato.class, contato.getEmail()); ... |
12. Hibernate Interceptor onSave returns partially loaded object forum.hibernate.orgHi, I have JPA objects which I need to intercept. Interceptor.onSave() method of works fine for my Order object. I can see the original values for persistent and non-persistent fields. My Order object has one to many relationship to OrderLineItem. However, non-persistent fields are not populated when Interceptor.onSave() method is called for OrderLineItem. FYI, persistence is initiated by calling entityManager.persist(order). It ... |
13. support for lazy loading of dependent object(s) using ARRAY forum.hibernate.orgIs there Support for lazy loading while using ARRAY to define the one-many mapping between objects. I could not find any documentation which discusses about the support for lazy loading using ARRAYs. Offcourse I can use Set instead of ARRAY. But my problem is I have to use the existing code as I am in the process of migrating our application ... |
14. Object load limitations forum.hibernate.orgHi, I would like to know if hibernate supports the following funcionality: Imagine that I have a databse with a great number of tables and relations between them. When I load an object from a table, that object will be created in memory, and then, will be created an object for each associated table, and so on.... This way, a simple ... |
15. Inifinite loop loading objects forum.hibernate.orgUsing 2.1 beta 4 Hi all, I have a system with three classes: Communications, Segments and SegmentResults. Each Communication has a list of Segments and eache Segment has a list of SegmentResults. Both Segments and SegmentResults have references back to their "owing objects" (mapping file follows) When I load a Communication e.g Code: Communication c = (Communication)sess.load(Communication.class,"BBBBJ3R3BBBN"); everything works as I ... |
16. determining whether or not lazy loaded objects are loaded forum.hibernate.org |
17. Iterating loaded objects forum.hibernate.orgHi, Hibernate will load a list of objects when we call iterate() or createSQLQuery(). And so far I have found that a list's lifecycle will end when we close the session that we use to load it. So, I if I want to display the object in the list in my JSP, I always iterate the list, and save the objects ... |
18. evict() followed by load() not returning consistent object.. forum.hibernate.org |
19. Can't load simple object forum.hibernate.orgNewbie Joined: Mon Aug 02, 2004 5:33 am Posts: 4 Hi I am having multiple problems using Hibernate with a small number of simple objects. I can't load my User object and I don't know why. Have I got my mapping wrong? I get the following exception: net.sf.hibernate.WrongClassException: Object with id: 21275acd23bf65dab1b1acdb47 23dc2b was not of the specified subclass: com.cms.shared.data.User (loaded ... |
20. Loading an Object forum.hibernate.orgOk, I have a form that asks for an Employee ID number so that I can lookup that employee. The empId is the value I get from the form and it is the ID column in the employee_table. I understand now that I can just pass my empId as a String to the get() method. |
21. Lazy Loading disconnected objects (allowing dirty) forum.hibernate.orgPage 1 of 1 [ 2 posts ] Previous topic | Next topic Author Message VampBoy Post subject: Lazy Loading disconnected objects (allowing dirty) Posted: Fri Aug 06, 2004 6:50 pm Expert Joined: Sat Jan 17, 2004 2:57 pm Posts: 317 Location: In the basement in my underwear Hibernate version: 2.1.5 ... |
22. Cannot load multiple objects. forum.hibernate.org |
23. Lazy Loading after an object has been serialized forum.hibernate.orgI just want to verify that I correctly understand what Hibernate is doing in a particular scenario. So, the scenario. In a multi-tiered application, I retrieve an object through some Hibernate fetching mechanism (Query, Criteria, etc) on some tier that is NOT the web tier. I then send the fetched object back to the web tier for display. Are the following ... |
24. Lazy loading of HttpSession-scoped objects - best practices? forum.hibernate.orgHi, I'm sure this is a pretty frequent topic on this list, so I'm sure I'll get an answer pretty quickly ;-) In order for lazy loading to work (either collections or proxy) Hibernate requires the session in which these lazy objects were created to be open when when accessing them. Otherwise you'll get LazyInitializationException. To work around this issue the ... |
25. Load sparsely populated object? forum.hibernate.orgHi Anthony, Thanks for your reply. Maybe you wouldn't mind explaining a little deeper... Inheritance is out for us, I think, as the domain object just has lots of properties. Or am I missing something? From what I've seen looking at lazy loading of properties, it seems somewhat discouraged? It seems to me that if the domain object is large, obtaining ... |
26. Sotred Procedure Cach expired Object Loading forum.hibernate.orgHi, I am trying to use MS SQL Stored Procedures (SQL 2K) )from Hibernate.(Hibernate 3.0.3) My named query is cached. (With a Default Region + Default Settings) My First time load is working without error. When I try to access it second time I get a the following error. From Log I can see that the the "UpdateTimestampsCache" is getting missed. ... |
27. Object is not loaded. forum.hibernate.org |
28. Load object completely no lazy loading. forum.hibernate.orgHi folks, In my application I have the following hierarchy. Code: Conversation contains :- description (String) targetHost (String) targetPort (String) requests (Set) Request contains :- ... |
29. not loading all objects from storage forum.hibernate.orgI have created an application, which stores some objects in a db. After that i had to make a change, altered a table -> object too. When i redeploy my app (the deploy dir is completly deleted) and i try to find old data in the db, it won't show up, if i go and modify something in the db then ... |
30. HOWTO encourage Hibernate to load objects with.. forum.hibernate.org... their attributes of type collection in ONE query in case of classes hierarchy? For example: There is a base Class B, and derived classes D1, D2, D3. I want get all objects inherited from B with HQL query: FROM B How can I say to NHibernate to retrieve all objects of inherited class with their attributes of type collection in ... |
31. instanceof for hibernate loaded object not working forum.hibernate.orgTo print out an object's "real" class, use obj.getClass().getName(), or obj.getClass().getSimpleName(). You shouldn't use toString() like you're using it: in fact, you really should override toString in every class you write (according to Sun's own recommendations (see the javadocs for Object.toString())). Presumably hibernate has proxied the object. If you've loaded the object as an interface, the actual class could be anything; ... |
32. Why does hibernate always load object from many-to-one ? forum.hibernate.orgWhat is the reason why hibernate always load object fom database from many-to-one relationship? For example, if entity A contains link to enity B (as many-to-one), then hibernate will calls SessionImpl.internalLoad() for entity B and then in DefaultLoadEventListener calls proxyOrLoad with option: Code: public static final LoadType INTERNAL_LOAD_NULLABLE = new LoadType("INTERNAL_LOAD_NULLABLE") ... |
33. The unavoidable total loading of object structures. forum.hibernate.orgI'll admit to feeling pretty stupid asking this, but I hope the problem is with me and not hibernate. What I'm trying to achieve is simple. When I call: Object obj=session.get(MyClass,id); ...I want ONLY the entity represented by "id", and none of its related entities. I want to load those manually. The reason: A full cascade on .get() will result in ... |
34. Paging out loaded objects (reverse lazy loading) forum.hibernate.orgI haven't been able to track down whether Hibernate supports the reverse of lazy loading. Can anyone out there let me know whether anything like this exists in Hibernate? What I mean is, if I have an object in memory (say, it's been lazy loaded) and I decide I want to replace that real object with a proxy (ie. page it ... |
35. Too many loaded object (Can it be?) forum.hibernate.orgHi, I am new to Hibernate and have successfully developed an application using Struts for the presentation later and Hibernate to persist my domain objects. Now my application is up and running and everything is working fine. However after sometime using the system, it starts crashing. If I wait for half an hour or so, the application starts working properly again. ... |
36. object doesn't get loaded! forum.hibernate.orgHibernate version: 3.2CR2, Hibernate Annotations 3.2CR1 (and Spring as well) Hi all i have a problem while loading an object. These are my mapping files /annotated classes (the important parts): Aktion.java Code: @Entity @Table(name = "TAKTION") public class Aktion implements java.io.Serializable { // Fields private Set |
37. Can't understand how object are loaded forum.hibernate.orgHi, I do not know if I am asking a stupid question, but how can I load an object without loading any other object referenced from it? I have read the Hibernate documentation. In the documentation it talks about lazy initialization. I am setting (from xDoclet) lazy="true" in the @hibernate.list, however I still have all objects in that collection loaded. Please ... |
38. Check to see if a lazy object has loaded or not forum.hibernate.orgHibernate 3 / Oracle10g If I have a parent-child where the child is defined to load lazily, is it possible to check programmatically whether the child has been loaded already (from within the parent) ? If I do anything like child.size() it triggers a call to the db which is not what I want in this first instance. Thanks |
39. @DiscriminatorValue skipped when loading objects forum.hibernate.org //ImageCover @OneToMany(fetch=FetchType.LAZY , mappedBy="item" ) @Cascade(value = {CascadeType.SAVE_UPDATE , CascadeType.DELETE_ORPHAN} ) @Cache(usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE) private Set |
40. BO objects loading twice forum.hibernate.orgi am working on hibernate with JSF with MyEclipse IDE and JBoss server for my project. v have many BO(business object) files in our project. about some 100 of these BO's are mapped to the main hibernate.config.xml file. the problem is these BO's r loading twice in our application . once,during logging in and 2nd time after logging in, when a ... |
41. How a loaded object can get the buisiness context ? forum.hibernate.orgI whish my object to be able to interact with some other main objects of my app. How can I get the context? I don't want to use a singleton? I believe I can implement ILifecycle so I would get a reference to the ISession but how can I get an instance to my own object. Is there a "for customer" ... |
42. HELP with loading object forum.hibernate.orgSession session = HibernateUtil.getSessionFactory().getCurrentSession(); session.beginTransaction(); List s = session.createQuery("from Schedule").list(); session.getTransaction().commit(); ... |
43. Dependendent object not loading anymore forum.hibernate.orgI had an object/table called Form with a 1 column primary key. Another table/object called Recipient had a compound primary key with one of those primary keys being a foreign key reference to the Form primary key. When I did HQL to load up an array of Forms, session.createQuery("from Form"), it loaded all the Recipients into a Recipient Set. I changed ... |
44. Why does Hibernate Entity Manager load object before merge? forum.hibernate.orgHibernate version: 3.2.5 We've being using Hibernate for many years now and we love it. Recently, we found that the Hibernate Entity Manager - when asked to merge using a long transaction - will actually load the object again from the database (if its not available in the first or second level cache). Why does it do this? Why does it ... |
45. Hibernate re-loads an object without any change forum.hibernate.orgHibernate version:3.2.3 Mapping documents: hibernate.cfg.xml looks like this: Code: |
46. StackOverflowError when loading non-hierarchical object forum.hibernate.orgNewbie Joined: Wed Jan 16, 2008 8:23 am Posts: 7 Hi, I get a StackOverflowError when trying to load an object - Hibernate seems to get into an infinite recursion even though I have no hierarchical mappings set up. Basically what I'm trying to do is set up a many-to-many mapping that has the following characteristics: - the join table has ... |
47. How to make hibernate load required objects forum.hibernate.orgHi all, I am using Hibernate for ORM. Right now i am monitoring my application using JProfiler. Here, i run my application and monitoring instances which are not garbage collected. In one flow of my application, i have found that hibernate is instantiating objects on the basis of available records in corrosponding table. For example, I have tried to load BaseListing ... |
48. Auto loading of referenced objects forum.hibernate.org |
49. Fully load hibernate object forum.hibernate.orgHibernate version: 3.2 I have searched around, but can't seem to find an answer. I have certain fields in my mapping set to lazily load. This is what i want most of the time. But, i was wondering if there was a way to tell hibernate on a case by case basis to load everything all at once (including all my ... |
50. Prevent load into java objects when start application. forum.hibernate.orgHi, I am using Hibernate in my application for what is was made... give persistence to my java objects. Now i have to implement some logger messages objects that i would like to store in the database in smart and clean way as for the rest of objects using hibernate. All works well and i can store them, but then when ... |
51. How to handle loading of object agregates? forum.hibernate.orgHi All! I have a question, that will maybe sound silly. But I would like to know, how you handle loading of an aggregate object, object that has some child objects etc, tree structure, cycle etc. in read-committed transaction level. Because, I have a problem to load it, and I haven't found the way to make it easier using hibernate. Here ... |
52. Optimize loading of object forum.hibernate.org@Entity @Table(name="BIB_U_BLOC" ) public class Bibubloc implements java.io.Serializable { private String id; private String libelle; private Set |
53. Loading two objects forum.hibernate.orgNeed help with Hibernate? Read this first: http://www.hibernate.org/ForumMailingli ... AskForHelp Hibernate version: 3.2.6ga Mapping documents: Code between sessionFactory.openSession() and session.close(): saveOrUpdate.(object) Full stack trace of any exception that occurs: org.springframework.orm.hibernate3.HibernateSystemException: a different object with the same identifier value was already associated with the session: [de.mpicbg.sweng.commons.model.BillingGroupClassification#402880861edec835011eded3d85a0003]; nested exception is org.hibernate.NonUniqueObjectException: a different object with the same identifier value was already associated with ... |