1. In Hibernate, is there any difference between session.get() and session.load() besides how bad IDs are handled? stackoverflow.comAn application I'm working on does all its queries by identifier using session.load(). Given the chaos it causes when it can't find the identifier and throws an exception, I'm thinking of ... |
2. Is there a way to load an object in Hibernate without writing a query or having an ID? stackoverflow.comI can persist an object into the DB from Java as such: Table Person: |
3. Session.load returns InvocationException when id not in database stackoverflow.comIf I call |
4. Lazy load collections with Id's only forum.hibernate.orgIs it possible to lazy load collections with Id's only? for e.g. I have one-to-many relation between Customer -> Orders. When I load Customer object (session.get), I iterate over the Orders but I only use "Id" field of the Order. Instead of loading entire collection of Order with all the fields, is it possible to load only "id" field and if ... |
5. Support for get(), load() and cache with natural id? forum.hibernate.orgI am looking for an update on this topic. The general attitude of the Hibernate team seems to be to discourage the use of composite primary keys and particularly the mapping of foreign keys to non-primary, non-composite properties of one-to-many-association owning entities. I tend to agree from a design perspective, but this stance falls apart very quickly for me without the ... |
6. Getting id from lazy loaded object without query forum.hibernate.org |
7. using session.load whit Composite-id forum.hibernate.orgI have a group of legacy tables and used Middlegen to get the mappings one of which is something like this |
8. Loading component properties of a composite-id forum.hibernate.orgI'm using Hibernate 2.1.3 MpMpo has a composite-id of ManPrev and ManPrevOper. I'm trying to load an instance of MpMpo. My problem is after loading a MpMpo, all properties of ManPrev and ManPrevOper come null except for their id's! Example: After the executing the method code below: Code: System.out.println("MAN_PREV_ID: " + mp_mpo.getComp_id().getManPrev().getId()); System.out.println("MAN_PREV_REF: " + mp_mpo.getComp_id().getManPrev().getReferencia()); System.out.println("MAN_PREV_OPER_ID: " + mp_mpo.getComp_id().getManPrevOper().getId()); System.out.println("MAN_PREV_OPER_REF: ... |
9. could not load by id error forum.hibernate.orgBeginner Joined: Thu Oct 23, 2003 1:17 pm Posts: 44 I've been procrastinating posting this, since I'm sure it's a stupid mistake, but I can't figure out the answer. I'm trying to do a simple inheritence example, I'm using Hibernate 2.1.4 and with MySQL. I'm using the HibernateUtil as suggested in the first chapter of the docs. I have a Product ... |
10. composite-id and bi-directional - children not loaded forum.hibernate.orgAuthor Message bminghelli Post subject: composite-id and bi-directional - children not loaded Posted: Thu Jun 24, 2004 6:43 pm Newbie Joined: Mon May 10, 2004 1:10 pm Posts: 5 I searched and searched, re-read the docs (especially chapter 7.4), but I'm still at a loss as of what is happening. I am using Hibernate 2.1 and connecting to an ... |
11. session.load(subclass.class, id) problem forum.hibernate.orgafter few attempts, this is the only way i found to get it : Object obj = session.load(Complement.class, 1) // (Complement.class is the superClass) ComplementSubclass subClassReturned = null; if ( obj instanceof ComplementSubclass ) { subClassReturnedreturned = (ComplementSubclass) obj; } return subClassReturned; that work, but i really dunno if it's the right way to do it. |
12. Load with composite id forum.hibernate.orgHibernate version: 2.1.6 Mapping documents: |
13. How to load |
14. Load class with composite-id forum.hibernate.org |
15. Get the id of an entity without loading it? forum.hibernate.orgYes, just call the identifier getter. .append(getTable1().getId(), rhs.getTable1().getId()) Invoking the identifier getter does not cause initialization of uninitialized proxies, since the identifier value of a many-to-one is loaded along with the parent entity, even if the object model tends to obscure that. In truth, you'd probably do something like this: private static Long getId(Identifiable obj) { return obj == null ? ... |
16. Another "Composite-id and a load query sql" proble forum.hibernate.org |
17. Only ID of an object in a many-to-one reference loaded forum.hibernate.orgHello everyone! we have two tables in the database: an ORDER_ITEM and an ORDER_BASKET table. The ORDER_ITEM has a foreign key to the ORDER_BASKET table in order to realize a many-to-one relationship (many items to one basket). We have these two tables mapped to the OrderItem and OrderBasket classes. The OrderItem class implements the interface IOrderItem. Analogously the OrderBasket class implements ... |
18. Get id without loading object forum.hibernate.orgBeginner Joined: Wed Sep 07, 2005 9:57 am Posts: 20 Hibernate version: 3.0.5 Mapping documents: Code: |
19. id to load is required for loading - Error forum.hibernate.orgPlease help: Hibernate version:3.0 Name and version of the database you are using :oracle 9i java.lang.IllegalArgumentException: id to load is required for loading at org.hibernate.event.LoadEvent. |
20. java.lang.IllegalArgumentExcetption(id to load is required ) forum.hibernate.orghi everbody, I am facing a problem explained below: I have two classes CodeType.java and CodeTypeDisplay.java The relationship between two is one to many from CodeType to CodeTypeDisplay. CodeType.java public class CodeType extends DSTBaseBusinessClass { private String typeCode; private Boolean hideIndicator; private Boolean editIndicator; private Boolean deleteIndicator; private CodeGroup codeGroup; private Set codeTypeDisplay ; //getters and setters } CodeTypeDisplay.java public class ... |
21. java.lang.IllegalArgumentExcetption(id to load is required ) forum.hibernate.orghi everbody, I am facing a problem explained below: I have two classes CodeType.java and CodeTypeDisplay.java The relationship between two is one to many from CodeType to CodeTypeDisplay. CodeType.java public class CodeType extends DSTBaseBusinessClass { private String typeCode; private Boolean hideIndicator; private Boolean editIndicator; private Boolean deleteIndicator; private CodeGroup codeGroup; private Set codeTypeDisplay ; //getters and setters } CodeTypeDisplay.java public class ... |
22. many-to-one lazy="proxy" not loading id. forum.hibernate.orgHibernate version: 3.0.5 Normally I use lazy="true", but I've been playing with lazy="proxy" (the default) recently (in case we ever decide to rejoin the human race and upgrade our copy of hibernate). I've just noticed that the id of an object loaded via a many-to-one lazy="proxy" association is never filled in (unless the object was already in the cache, of course). ... |
23. How do I load the entity by id and exclude some property? forum.hibernate.orgHello, it's an interesting dilemna that no one at my company seems to know the answer to. I have a simple entity called Parent and its corresponding class. The enity has a set property: |
24. Loading an Object without an Id forum.hibernate.orgLet us say that I have a database that contains personell information. The table consists of the following columns: A number that uniquely identifies the employee A string containing their first name, not necessarily unique A string containing their last name, not necessarily unique Other miscellaneous information Let us further say that I know for a fact that nobody in the ... |
25. Composite-id class and specified class loader forum.hibernate.orgHi, Hibernate libraries are deployed separately from my project containing hibernate config, mappings and POJO files. Class loader context is different for each of them, and I'm having difficulties in passing my files. I know how to pass config, mappings and dao files but I don't know how can I pass composite-id class to hibernate using specified class loader. When I ... |
26. java.lang.IllegalArgumentException: id to load is required f forum.hibernate.orgHi All, I'm getting IllegalArgumentException when trying to update database using hibernate. Below is the code which will update AERequest table. AERequest requestFromDB = (AERequest)session.load(AERequest.class,objAERequest.getRequestId()); java.lang.IllegalArgumentException: id to load is required for loading at org.hibernate.event.LoadEvent. |
27. Loading data with duplicate IDs forum.hibernate.orgI've searched both this forum and google for a long time today, and I just have no clue how to solve my problem. The problem is, we've got an application where we have no control over the database structure. It is what it is. I have one table (let's call it DET) with a column for diagnostic type (DIG). That DIG ... |