DAO « JPA « Spring Q&A

1. JPA @VERSION how to use it? stackoverflow.com

@Entity
public class Person {
    @Id
    @GeneratedValue(strategy=GenerationType.IDENTITY)
    private Long id;

    private int salary;

    @Version
    ...

2. JPA Spring Hibernate Dao List problem stackoverflow.com

I am using JPA/Spring/Hibernate as my persistence mechanism for my application. Currently I am running into unit test problems where when I ask for some objects I get the right ...

3. DB backup problem with Spring/Hibernate GenerationType.AUTO stackoverflow.com

I work with Spring/Hibernate Dao's for saving my Object in the Database. Now I had to backup all my DB inside my application. Now when I try to read my backup ...

4. Spring-Hibernate DAO naming convention? stackoverflow.com

Is it typical to name DAOs in the following way:

UserDAO - interface
UserDAOImpl - implements UserDAO

I am wondering if its standard to use the suffix 'Impl' for the implementation or if something ...

5. Calling one DAO from another DAO? stackoverflow.com

Can this ever make sense? Say I need to fetch an object from the DB which has a relation to another object (represented by a foreign key in the DB, and by ...

6. Question about hibernate-spring-dao stackoverflow.com

I have a DAO class which I'm using to try select/update/insert with hibernate and Mysql database. I'm writing methods for these now, I already wrote insert like this :

public Long save(People ...

7. DAO, Spring and Hibernate stackoverflow.com

Correct me if anything is wrong. Now when we use Spring DAO for ORM templates, when we use @Transactional attribute, we do not have control over the transaction and/or session when the method ...

8. How do you see a good Spring+Hibernate DAO module design? stackoverflow.com

First, we create classes that represent db entities, ok, done. Let's say we use Hibernate session factory and JPA annotations. Now we must create a DAO: getUserById, getAllUsers() etc. What do you recommend about ...

9. Several operation on DAO execution stackoverflow.com

I try to execute several queries in one DAO-method. Test is FAILED (the data are not updated). Logs without exceptions.

public List<Domain> getNewDomains(final int maxAllowedItems, final Date timestamp) {

    ...

10. i am using spring+hibernate and i m getting error : org.springframework.dao.InvalidDataAccessResourceUsageException stackoverflow.com

i am using spring+hibernate and i m getting error when i upload doc file using rich:upload component, doc is uploaded sucessfully but when i click ok it gives following error. The ...

11. JPA and DAO - what's the standard approach? stackoverflow.com

I'm developing my first app with JPA/Hibernate and Spring. My first attempt at a DAO class looks like this:

@Repository(value = "userDao")
public class UserDaoJpa implements UserDao {
    @PersistenceContext
  ...

12. MyEclipse 8.6 won't create Spring DAOs using Hibernate reverse engineering stackoverflow.com

I have a project that I got from someone else. I don't know how exactly they configured it. All I know is that MyEclipse thinks the project has Spring and Hibernate ...

13. JPA Best Practises stackoverflow.com

I would want to know if it is a good practise to use JpaDaoSupport. We are using EclipseLink as JPA provider currently and would want to know if it is better to ...

14. Spring, Hibernate: DAO-Class: Using always the same object? stackoverflow.com

Im working with Spring 3 and Hibernate 3.6 on developing a webapplication. I have a DAO-Class and I created in a xml-file ONE bean (named "dao1") for it. Every class which needs ...

15. Do i need to make use setter or constructor in DAO implemetaion stackoverflow.com

I have the class userDAOimpl and i was using

@Resource(name="sessionFactory")
public SessionFactory sessionFactory;

i want to ask that beside that do i need to use setter like

public void setSessionfactory(SessionFactory sessionFactory) {
    ...

16. test dao classess implemented with jpa stackoverflow.com

One of the dao classes i implemented in a JEE web project is under

@Repository("ClientsimpleDAO")
public class ClientsimpleDAOImp implements ClientsimpleDAO {
    private static final Log log = LogFactory.getLog(ClientsimpleDAOImp.class);
   ...

17. Which Spring annotation to use for Hibernate DAO class? stackoverflow.com

What Spring annotation should I use for Hibernate DAO classes so they could be found in scanning process? @Repository, @Service or @Component? I couldn't figure out the difference. I'm on Spring ...

18. dao (plain hibernate), singleton? forum.springsource.org

dao (plain hibernate), singleton? Hello, Im working on developing a webapplication with Spring Framework 3.0.5 and Hibernate 3.6. I use transaction management from spring and I implemented my DAO based on ...

19. Tesing Spring JPA DAO's forum.springsource.org

Hi, I'm looking for some good tutorials / howto's about writing tests for Spring DAOs that use JPA for persistence. I've found quite a few for Spring 2.5, but nothing really ...

20. spring data jpa how implement interface query method in dao interface forum.springsource.org

I suggest a read of the spring-data-jpa reference guide... If you use @Query spring-data will generate the query for you if you want your own implementation don't use @Query but provide ...

21. Tests guidelines for DAO using hibernate forum.springsource.org

Hello, Would any one have a reference to a site giving guilines about how to test spring DAOs using hibernate. The tests are similar on every project, one to many, many ...

22. Other Hibernate DAO LazyInitializationExceptions forum.springsource.org

Feb 17th, 2005, 11:20 PM #1 bernardsirius View Profile View Forum Posts Private Message Junior Member Join Date Feb 2005 Posts 16 Other Hibernate DAO LazyInitializationExceptions In my Web controller, I'm ...

23. Spring DAO + Hibernate; Am I doing this right? forum.springsource.org

Spring DAO + Hibernate; Am I doing this right? I have just started adding Spring's DAO support into my JSF+Hibernate application. Since I am really new to all this DAO stuff ...

24. how to write test class for such hibernate dao forum.springsource.org

how to write test class for such hibernate dao how to write test class for such hibernate dao Code: public class RoleDefiniensDaoHibernateImpl implements RoleDefiniensDao { private SessionFactory sessionFactory; public RoleDefiniensDaoHibernateImpl() { ...

25. Complex editing screens (Using hibernate as dao) forum.springsource.org

Complex editing screens (Using hibernate as dao) I can find simple examples by the handull ( where pull back data, edit the info and save on submit ), but I cant ...

26. Hibernate DAO basics forum.springsource.org

Hibernate DAO basics I'm having the hardest time getting a simple DAO to work. I'm following the instructions in the online reference, where I create a bean named sessionFactory, using the ...

27. Simple question about DOMs and DAOs (Spring/Hibernate/Annotations) forum.springsource.org

Simple question about DOMs and DAOs (Spring/Hibernate/Annotations) I'm fairly new to Spring and have a really basic question about using Spring with Hibernate/Annotations and best practices. My DOM is fairly complex ...

28. Plain Hibernate3 DAOs and Spring newbie forum.springsource.org

Plain Hibernate3 DAOs and Spring newbie I'm moving an Hibernate 3.0.5 swing app to Spring-1.2.4. I have a database connection that uses hsql: --------------------------------------------

29. org.springframework.dao.DataIntegrityViolationExce ption: Hibernate operation forum.springsource.org

org.springframework.dao.DataIntegrityViolationExce ption: Hibernate operation Hi Guys, When i try to search for a data in oracle db whose length is greater than the column width, i get the below execption. org.springframework.dao.DataIntegrityViolationExce ...

30. Reusing an OSIV maintained hibernate dao outside of a request forum.springsource.org

Reusing an OSIV maintained hibernate dao outside of a request Hi Guys, I have my hibernate daos that extend HibernateDaoSupport managed by OSIV and everything is happy. But I'm finding myself ...

31. DAO count() for Hibernate forum.springsource.org

DAO count() for Hibernate Hi All, I'm new to Spring and have been trying to implement a DAO for a simple Learner object (having id, forename and surname) using Hibernate for ...

32. Simple Spring-Hibernate DAO problem. forum.springsource.org

Simple Spring-Hibernate DAO problem. I have two tables in the DB, Categories and Products Category one-to-many Products Below is the mapping def. and a sneak view of the Product bean: ...

33. DAO & Hibernate Mix forum.springsource.org

DAO & Hibernate Mix In our application we have two flow, - First with Hibernate. - Second with JDBC route (Custom DAO), for some operations we will directly hit the JDBC. ...

34. Implementing DAOs based on plain JPA forum.springsource.org

May 14th, 2007, 04:09 AM #1 andre999 View Profile View Forum Posts Private Message Junior Member Join Date May 2007 Posts 5 Implementing DAOs based on plain JPA I have tried ...

35. Hibernate Spring based dao without callback forum.springsource.org

Hibernate Spring based dao without callback Hi all, I have a dao that extends HibernateDaoSupport in order to acces the current session without doing callback as suggested in the ref documentation. ...

36. DAOs + plain hibernate forum.springsource.org

DAOs + plain hibernate So I read this and thought great: http://www.springframework.org/docs/...rnate-straight However I just can't get this to work. I get this: Code: org.hibernate.HibernateException: No Hibernate Session bound to thread, ...

37. 1 or multiple dao's for Hibernate forum.springsource.org

For the current project I'm working on we have quite a number of dao's, I recently reduced the number already by introducing some AOP and Introductions. However I wonder if we ...

38. Problem with hibernate3 DAO forum.springsource.org

Problem with hibernate3 DAO Hi, I am using HibernateDaoSupport(3) with spring.My persistance layer is in seprate context and i am getting results using http Invoker. It works f9 with 2 to ...

39. scheduling a DAO operation in hibernate forum.springsource.org

scheduling a DAO operation in hibernate i'm trying to schedule a call to a method within a class that performs a DAO operation, im using the java.util.Timer and java.util.TimerTask classes unfortunately, ...

40. Multithreaded use of singleton DAOs fails in Hibernate forum.springsource.org

Oct 11th, 2007, 05:20 AM #1 ivanut View Profile View Forum Posts Private Message Junior Member Join Date Oct 2007 Posts 2 Multithreaded use of singleton DAOs fails in Hibernate Hi! ...

41. Sharing tx between Hibernate and OJB daos forum.springsource.org

Sharing tx between Hibernate and OJB daos Hi! We have a web application running with OJB, and now we're adding a business process manager that uses Hibernate for the DB access. ...

42. Testing dao's with Spring 2.5, Hibernate 3.2.5 and Unitils 1.0 forum.springsource.org

Apr 18th, 2008, 03:49 PM #1 jake123 View Profile View Forum Posts Private Message Member Join Date Jul 2006 Posts 33 Testing dao's with Spring 2.5, Hibernate 3.2.5 and Unitils 1.0 ...

43. plain Hibernate3 based DAO and getCurrentSession probleme forum.springsource.org

plain Hibernate3 based DAO and getCurrentSession probleme Hi all, I'm trying to implement plain Hibernate3 DAOs as explained in the ref documentation $12.2.5 I have a problem while calling sessionfactory.getCurrentSession() method ...

44. What is standard Hibernate3 style DAO? forum.springsource.org

Hi The Javadoc of HibernateTemplate made this note: As of Hibernate 3.0.1, transactional Hibernate access code can also be coded in plain Hibernate style. Hence, for newly started projects, consider adopting ...

45. Hibernate DAO find() method returning Objects of class and it's extended class... forum.springsource.org

Jun 8th, 2008, 12:57 PM #1 saadnabs View Profile View Forum Posts Private Message Junior Member Join Date May 2008 Location London, United Kingdom Posts 25 Hibernate DAO find() method returning ...

46. Spring DAO with Hibernate forum.springsource.org

HI ALL, im developing an application struts2.x,Hibernate 3.2 with support of Spring IOC AND DAO. i heard that in spring "basedao class" is extended by all hibernate plain dao's. for this ...

47. Help Implementing DAOs based on plain JPA forum.springsource.org

Help Implementing DAOs based on plain JPA I keep getting the following error when testing Spring and JPA using Junit4: Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: ...

48. DAO initialization failed between hibernate3 and spring forum.springsource.org

DAO initialization failed between hibernate3 and spring Hi all, I have a problem with a project that worked fine on Linux but now that I'm on Mac Leopard it crash. The ...

49. Annotation based Plain Hibernate DAOs. Help! forum.springsource.org

Jun 16th, 2009, 05:05 PM #1 msmithi33 View Profile View Forum Posts Private Message Junior Member Join Date Nov 2008 Posts 27 Annotation based Plain Hibernate DAOs. Help! So I'm trying ...

50. Testing spring managed Dao for JPA forum.springsource.org

We have a database application which has a bunch of entities each of which have a corresponding Dao. The Dao CRUD operations are managed by a TransactionManager ( Defined via AOP ...

51. [Advice needed] The best approach for using Hibernate DAOs forum.springsource.org

[Advice needed] The best approach for using Hibernate DAOs I've recently refactored my data access layer to support multiple implementations. I've decided to start off with hibernate, as it allows me ...

52. Testing DAO JPA layer in isolation forum.springsource.org

Oct 20th, 2009, 04:09 AM #1 ShurikAg View Profile View Forum Posts Private Message Member Join Date Jul 2009 Posts 79 Testing DAO JPA layer in isolation Hi, I have a ...

53. Spring + Hibernate: CannotLoadBeanClassException DAO forum.springsource.org

SEVERE: WebModule[/eLibrary]PWC1275: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListe ner org.springframework.beans.factory.CannotLoadBeanCl assException: Cannot find class [dao.hibernate.HibernateELibraryDao] for bean with name 'dao' defined in ServletContext resource [/WEB-INF/applicationContext.xml]; nested ...

54. Hibernate spring based dao implementation forum.springsource.org

Friends, I just wanted to know the advantages of hibernate spring based dao with call back implementation Vs without call back. Which way would be the best solution for implementing spring ...

55. Hibernate Dao design question forum.springsource.org

Hi guys, Im a student who's new to both spring and hibernate, I'm building my website Dao based this site eg Code: public class UserDAOImpl implements UserDAO { private HibernateTemplate hibernateTemplate; ...

56. Spring & Hibernate DAO forum.springsource.org

Jan 24th, 2010, 03:11 PM #1 tmm View Profile View Forum Posts Private Message Visit Homepage Junior Member Join Date Jan 2010 Location london Posts 11 Spring & Hibernate DAO Hi ...

57. Spring/Hibernate Multiple DAO forum.springsource.org

Mar 27th, 2010, 07:08 AM #1 rampnq View Profile View Forum Posts Private Message Junior Member Join Date Mar 2010 Posts 18 Spring/Hibernate Multiple DAO Hi I want to implement multiple ...

58. Spring 3.0 with hibernate Dao / help needed forum.springsource.org

Apr 6th, 2010, 12:33 PM #1 MMazout View Profile View Forum Posts Private Message Junior Member Join Date Sep 2009 Posts 8 Spring 3.0 with hibernate Dao / help needed Hi, ...

59. Problem with Spring Hibernate DAO forum.springsource.org

May 7th, 2010, 03:46 PM #1 cjems View Profile View Forum Posts Private Message Junior Member Join Date Feb 2009 Posts 3 Problem with Spring Hibernate DAO I am trying to ...

60. Don't repeat the DAO -- JPA Style forum.springsource.org

Don't repeat the DAO -- JPA Style I am trying to create a single JPA-compliant GenericDAOImpl that will work for all of my many different DAO interfaces -- including named query ...

61. Hibernate DAO implementation using interfaces forum.springsource.org

Hibernate DAO implementation using interfaces It is my first post on Spring forum so Hello Everyone! I have to admit that I am Hibernate newbie so your patience is very appreciated ...

62. Mapping for Spring-Hibernate DAO forum.springsource.org

Mapping for Spring-Hibernate DAO I have a question on the feasibility of a DAO pattern type of thing with Spring and Hibernate. I have the following hierarchy - a GenericHibernateDao which ...