component « Component « JPA Q&A

1. hibernate one-to-one or component?

I am wondering how to write the model, hbm.xml for table



class Company(){
int id;
String name;
String address;
Type type;

class Type(){
int id;
String type;
(with get/set methods) How to write the hbm? I am using the hibernate 3.x.

2. how to get the resultset from a camel jpa component?

on querying a camle jpa component like

<from uri="jpa:jpa.camel?consumer.query=select x from jpa.camel x"/>

<to uri="bean:SomeBean?method=query" />
how do u get the list of records from camel exchange in the bean ? i have ...

4. Distribute hibernate over multiple components

I have a problem. We are developing an application in which everybody is supposed to build a separate component that does something. The component itself should be like a black box not aware of other components until later. How to incorporate hibernate into the project? Every black box will have to have some portion of the code which is database oriented. ...

5. Hibernate: Programmatically binding UserTypes on Components

Newbie Joined: Thu Apr 29, 2010 2:14 pm Posts: 1 I have several different UserType's (org.hibernate.usertype.UserType) in the system. For this question I will focus on the fact that we use Joda time DateTime and its UserType, PersistentDateTime. I have successfully bound the UserType programmatically to PersistentClass's by: Code: public void customize(Ejb3Configuration config) { Iterator itr = config.getClassMappings(); ...

6. Could not create Component: hibernateSession

hi, i deployed my application on jboss and i get following exception: 15:17:36,931 ERROR [[/web]] Exception sending context initialized event to list ner instance of class org.jboss.seam.servlet.SeamListener java.lang.RuntimeException: Could not create Component: hibernateSession at org.jboss.seam.init.Initialization.addComponent( 202) at org.jboss.seam.init.Initialization.installComponents(Initialization. ava:1118) .... .... .... Caused by: java.lang.IllegalArgumentException: no such field: sistence.ManagedHibernateSession.hibernateSessionFactory at org.jboss.seam.util.Reflections.getField( at org.jboss.seam.Component.initInitializers( at org.jboss.seam.Component.( at org.jboss.seam.Component.( in my components.xml ...

7. Components and Containment

Hello, I have 2 questions: 1) I would like to have access to the meta-information regarding whether a property maps to a non-null column, and to the column's size in the database. For instance, I would like to check the size of strings in the GUI code. Unfortunately, I don't see this information in anything reachable from ClassMetadata. Is there a ...

8. Help with Component w/ multiple one-to-many

Regular Joined: Wed Sep 03, 2003 9:56 pm Posts: 58 Ok, after spending several days, and reading chapter 8 more than twice, I'm still can't get this to work. I'm going to keep at it, and in the mean time, post the problem in the hopes that someone can provide some insight. I'm building a security model, based on Users, Groups, ...

9. Odd Component Behavior

OK, this is weird. I have: Code: class A { int foo; int bar; B bletch; // Getters and setters here } class B { StringBuffer quux; public String getQuux() { ...

10. Component Confusion Redux

Author Message psnively Post subject: Component Confusion Redux Posted: Thu Oct 02, 2003 1:54 am Newbie Joined: Tue Sep 16, 2003 7:05 pm Posts: 3 Location: Los Angeles, CA Folks, OK, I have mapping: Code: ...

11. Reusable component definitions

Hi, While writing hbm files - Component is only available inside a class, not as a hight level entity by itslef. Hence a component even though same, needs to be defined over and over again for each class. It would be nice to define it once and then just use it in a class that ...

12. Components - very confusing

13. Should we remove components in 2.1

I don't personally use DynaBeans so it won't affect me much either way, but, how about putting the code you want to "remove" into an optional package so the core is not dependent on bean-utils but people who do want that functionality don't have to go to the wiki to try and find/figure out how to write it again for themselves? ...

14. No votes so far for keeping components

I'm just starting with Hibernate, and well, the concept of using Dynabeans appeals to me. I'm seriously considering it. I came from an environment that took the opposite approach of hibernate: Everything used a database object it contained a set of table objects which contained Record objects which contained Field Objects This basically meant we didn't need getters or setters on ...

15. Native SQLQueries and Components

Hello, i have a problem with native SQLQueries and its mapping to components in a Java-Class. Hibernate throws a net.sf.hibernate.QueryException: Alias [p.address] does not correspond to any of the supplied return aliases = {[p]} . Can i use components and native SQLQueries together and i am using the wrong syntax (for example: {p.address.zipCode})? Thanks in advance Peter K

16. named parameters and components

I'm using "named parameters" and the method Query.setProperties to bind variables in SQL statement. This method doesn't bind the components of my persistent object but only the properties. Is this Correct? Is there another way to bind dynamically the components and properties without having to bind manually each variables (obviously not with setString(String name, String val), setInteger(String name, String val)..., I ...

17. Question about which component framework to "go" f

Hi all! I don't know if this is the right forum for this kind of question, but it resolves around Hibernate and is certainly "Miscellaneous". Question in short: Whick component framework that supports Hibernate(J2EE) should one go for? Spring FW or OpenSymphony? I'm a single database/J2EE developer in an organisation of about 500 employees, and my time is very limited for ...

18. Component question

It results in only adding only two columns to the PERSON table: country and phoneNumberNational. But it should add two more columns, since I have a businessPhoneNumber and a privatePhoneNumber. Can someone please tell me whats wrong? Or can someone tell me a full code example which solves the thing which I want to do?

20. NEED HELP ON Component

21. Using a component?

Hibernate 2.1 - Oracle 9i Hi everybody I have this schema in my data model: A table named "Comercio" and a table named "Dom". The "Dom" table have the Comercio_ID column. In the businnes part, I have this (domain layer) objects: One Called "Negocio" whit these properties: public class Negocio extends Comercio { /** * @roseuid 4048BB1702AC */ public Negocio() { ...

22. HELP:Exception occur when I use formula as part of Component

using hibernate 2.1.2 jbsss 3.2.3 14:36:48,311 ERROR [Configuration] Could not compile the mapping document net.sf.hibernate.MappingException: properties of components may not be formulas: platformName at net.sf.hibernate.cfg.Binder.bindComponent( at net.sf.hibernate.cfg.Binder.propertiesFromXML( at net.sf.hibernate.cfg.Binder.bindRootClass( at net.sf.hibernate.cfg.Binder.bindRoot( at net.sf.hibernate.cfg.Configuration.add( at com.scea.npd.psupdater.service.common.hibernate.HibernateConfiguration.addInputStream( at net.sf.hibernate.cfg.Configuration.addResource( at net.sf.hibernate.cfg.Configuration.doConfigure( at net.sf.hibernate.cfg.Configuration.configure( at com.scea.npd.psupdater.service.middletier.persistence.PackageDb.( at com.scea.npd.psupdater.service.middletier.persistence.DlsDb.( at com.scea.npd.psupdater.service.middletier.entity.DlsManager.( at com.scea.npd.psupdater.service.middletier.DlsUpdaterBean.( at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ...

23. The trouble with

i need to define two attributes of a class to point to the same . Code: employee_id_seq ...

24. SQLQuery and Components

I would like to select an attribute(applicationName) from a component object of a mapped class. Here is my mapping...

25. GUI components (Hibernate 2.1.4)

I'm new to hibernate. I'm testing and learning how to use it. I want to use it to make three tier desktop applications (Ex: DB: MySQL, AppServer: JBOSS, Client). I couldn't find a GUI components framework to make the client side of the application as a desktop application not as a web application like for example, the Borland db components that ...

26. Does Example#enableLike() works on components

public class Foo { /** * Imagine this a property ;) * * @hibernate.component */ private Bar bar; } public class Bar { /** ...

27. Component confusion

I'm a bit confused about components. I have two classes, Customer and Property. Each class can have an Address, for example a customer lives at an address, and he might want to buy a new property, that has an address as well. So Customer and Property both have a field on each class called address, of type Address. Now looking at ...

28. Components and InvocationTargetException

Hello, Here it is my problem: when initializing usuario.hbm.xml, which contents three components, I always get the same exception. I know for sure the problem is related to the components part, because without it , the initialization continues. Any help is wellcome. Thanks. Hibernate version:2.6 Mapping documents:

29. Initializing components

When you map a component to a class, the mapped component returns null when the component's mapped columns are empty. Here's how the Hibernate documentation explains this: "When reloading the containing object, Hibernate will assume that if all component columns are null, then the entire component is null. This should be okay for most purposes. " This is fine in some ...

30. Can I treat components as reusable?

31. Can the 'version' be implemente as a component?

32. component fetch?

Hi, My data object has a component which I need to initialize, because it's lazy by default. My problem is that when I access values in mapped component the session is already committed, so I get NullPointerException there. Is there any "fetch" or smtn like that to eagerly fetch components of data object? TIA, Vladimir

33. CreateCriteria for a part of a component

I created a component phoneNumber with a countrycode, an areacode and a localphoneNumber. I store this as a string : /** * @return Returns the phoneNumber. * * length = "20" * unique = "false" * update = "false" */ public String getPhoneNumber() { return countryCode + "_" + areaCode + "_" + localPhoneNumber; } I use this in an ...

35. Views , components and session cache

36. trouble with component

I have a component object that I am using in a persitable object. When I do a get on my object and retrieve that component, it has all of its properties. When I get the component object through its containing object via another object associated with its object, one of the properties in the component is null. Any ideas? object a ...

37. Trouble with initializing a component item

38. Array of strings in a component

Newbie Joined: Fri May 06, 2005 2:51 am Posts: 2 Location: Tours Hello, I can't map a component containing just an array of 2 properties. I tryied with Hibernate 3.1 In my example, a BeanNetwork has a member line which is a component contains an array of route (a route is a couple of string properties). Does anybody know how to ...

39. Components not caching

... ...

40. Simple Example of using in Hibernate

41. An Exotic Component

I am trying to create an object of type INextQueueAlgorithm using the same table of the owning Class QueueGroup table. The code runs with no errors but dose not save anything to the column algorithmType. Is there a better way of doing this? ...

42. Using Component for 1:0..1 Relationship

Hi, I'm facing a problem in representing a 1:0..1 relationship. Classes There are 2 complex entities(classes) SubscriptionAccount & PaymentPlan having their own set of attributes. Both contain, NULL as well as NOT-NULL attributes. PaymentPlan contains another class, PaymentPlanItem. The 1:0..1 relationship The PaymentPlan will exist only if a SubcriptionAccount exists & it cannot exist on its own. Also, PaymentPlan may or, ...

43. component in a component

Hi! i have a TimePeriod class, wich contains begin TimePoint, and end TimePoint. TimePoint class represents a single Date value. I think id doesn't make sense, to map these classes as entities. I prefer to map them as value objects. Unfortunatly, i get the following exeption: org.hibernate.QueryException: could not resolve property: end of: (Person is a class wich has a ...

44. Empty component... a good practice ?

Well, I guess you're doing that because of some use of your POJO in a JSP or something like that... I find it so despairingthat one has to modify/pollute the domain class so as to deal with a presentational problem... For your problem, I guess Hibernate won't have any problem to understand your component is still a null one of every ...

45. How to populate components with a stored proc?

46. installing sql server components

I am trying to install the sql server components. i get the bellow exception when i try to run the installer .ciw file WARN [net.sf.hibernate.cfg.SettingsFactory] [AWT-EventQueue-0] (SettingsFactory .java:107) - Could not obtain connection metadata java.sql.SQLException: Network error IOException: Connection refused: connect at net.sourceforge.jtds.jdbc.ConnectionJDBC2.( :307) at net.sourceforge.jtds.jdbc.ConnectionJDBC3.( :50) at net.sourceforge.jtds.jdbc.Driver.connect( at java.sql.DriverManager.getConnection(Unknown Source) at java.sql.DriverManager.getConnection(Unknown Source) at net.sf.hibernate.connection.DriverManagerConnectionProvider.getConnec tion( at net.sf.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.ja va:84) ...

47. meaningful names for constraints in components

I wanted to give meaningful names to my foreign keys & constraints. Quite easy, I thought... Just add @ForeignKey on all the @ManyToOne properties that generate the foreign keys, and that's it... But - This becomes a problem for properties inside reusable @Embeddable classes (e.g. Address)... When several tables embed the Address component, the @ForeignKey attempts to create the same constraint ...

48. Components and many-ton-one

I have the following tables: CREATE TABLE `TRANSACTION_TBL` ( `TRANSACTION_ID` varchar(50) NOT NULL, `DLR_CODE` int(11) default NULL, `MBLOX_CODE` int(11) default NULL ) CREATE TABLE `MPTT` ( `CODE` INT NOT NULL, `INDICATION` VARCHAR(20), `STATUS_DESC` VARCHAR(10), `REASON_DESC` VARCHAR(50), `EXPLANATION` VARCHAR(250), PRIMARY KEY (`CODE`) ) The transaction table has a foreign key relationship to mptt table with the MBLOX_CODE column. To make my code ...