intercept « Core « JPA Q&A





1. How to intercept the Hibernate generated SQL?    stackoverflow.com

For a security system which works as a big brother (like a watched mandatory access control), we have to intercept and handle all select statements hibernate is generating. We store the ...

2. Intercept the JDBC statements to the database using P6Spy in a hibernate application    stackoverflow.com

I am developing a hibernate console application and refer to this article http://www.mkyong.com/hibernate/how-to-display-hibernate-sql-parameter-values-solution/ to setup the P6Spy in order to see what is the actual value of the ...

3. Intercept Hibernate Criteria Query    stackoverflow.com

I'm using Hibernate SessionFactory to retrieve information from database. Problem is that the "encrypted_field" database field below is now encrypted and breaks the SQL query. This is the old SQL ...

4. Intercepting Hibernate Validation Errors while form submit    seamframework.org

I am using hibernate validation on seam(.xhtml) forms. It works fine with AJAX and it displays proper error messages. But when I submit the forum, despite having validation errors, I am able to submit the form. How to reslove this. How would my submit action will know about the hibernate validation errors on the screen?

5. Converting/Intercepting HQL to SQL    coderanch.com

Hi, I'm using Hibernate ORM 3. I have two queries: 1. Is there a tool which shows the exact native SQL that Hibernate Generates. If we turn on show-sql, it displays SQL but with placeholders like ?. 2. By default saveOrUpdate() or update() tries to update every possible column in the DB even though just a single column changed. This is ...

6. Intercept hibernate exceptions    forum.hibernate.org

7. AOP intercepting call to UserType or getting what calls UT    forum.hibernate.org

Using Hibernate 3+ with Spring 2.6+ The http://stackoverflow.com/questions/672063/creating-a-custom-hibernate-usertype-find-out-the-current-entity-table-name describes reseting the UserType parameters through the Configuration object. Works fine in special cases when passing a string to a parameter. Want to wire in a spring bean without using the load time weaver/Configuration within Spring. Can override (extend) the LocalSessionFactoryBean and access the Configuration object prior to the SessionFactory beings created by ...

8. How to intercept all Hibernate sessions when they're created    forum.hibernate.org

Is there a way of intercepting all new Hibernate sessions when they're created? I need to access each Session instance to enable a Hibernate filter with a parameter. The only solution I've gotten working has involved wrapping the SessionFactory, but this involved a lot of semi nasty hacks as well as it required me to implement around 60 methods, where only ...

9. intercepting native SQL    forum.hibernate.org





10. Hib. Proxies: intercepting all method calls like JDK Proxies    forum.hibernate.org

Hello, I need to intercept method calls to my POJO's. Therefore: 1. every POJO implements it's Interface which will be used for Interception via JDK Proxies. 2. POJO's can't be instanciated with new/ newInstance, instead one have to use a Factory which returns a JDK Proxy (java.lang.reflect.Proxy) which is bound to an Interceptor 3. the Interceptor (java.lang.reflect.InvocationHandler) handles method calls (via ...

11. Intercepting Called SQL    forum.hibernate.org

12. howto intercept object construction    forum.hibernate.org

13. How to intercept CacheConcurrencyStrategy    forum.hibernate.org

Hibernate version: 2.1.6 I'm looking for a way to proxy all CacheConcurrencyStrategy instances in a session in order to determine when objects in second level cache are written due to update. I was able to proxy CacheProvider and Cache, but on the cache level (method put) it is impossible to determine whether the originating action was a read or update (depends ...

14. Intercepting a change to perform queries in the session    forum.hibernate.org

Hibernate version: 2.1.x Hi. I got stuck in a problem. I have an object X that I must implement a rule that checks if exists an object Y (unrelated to X) with some conditions each time object X is updated, to calculate one of the fields, and in some cases make a change back in object Y. First I tried to ...

15. CGLIBLazyInitializer intercept method question    forum.hibernate.org

16. Tricky issue: order of "OnSave" clals in intercept    forum.hibernate.org

This is a tough one: In what order is "OnSave" called in an interceptor? If I modify other objects in "OnSave", is Hibernate smart enough to persist the newly changed objects, or is such an action not allowed? The doc says "The Session may not be invoked from a callback", but says nothing about modifying other objects. Any ideas? thanks! Jen ...





17. [Howto] Intercept update action, compare old and new state ?    forum.hibernate.org

public class ItemUpdateListener extends DefaultUpdateEventListener { @Override protected Serializable performSaveOrUpdate(SaveOrUpdateEvent saveOrUpdateEvent) { if (saveOrUpdateEvent.getEntity() instanceof Item) { // I don't know how to get the old/new item state here... } return super.performSaveOrUpdate(saveOrUpdateEvent); ...

18. Intercept the bank query hibernate sends.    forum.hibernate.org

First off I can say that I've never encountered a case where what Hibernate displays with show_sql=true was not entirely accurate. If you'd like to prove this to your self though you'll need to look to your database or the JDBC driver. Many database servers have trace features that would allow you to see the SQL delivered to them. This is ...

19. How to Intercept SQL in Hibernate    forum.hibernate.org

Hi, I am woudering if it is possible to intercept the SQL before it is set to the database. Reason is I am trying to use EXPLAIN to analyse SQL in POSTGRES. In order to do this I have to append EXPLAIN to the start of each query going to the database. Is there a mechanism for doing somthing like this ...

20. HowTo: intercept finds, gets... + add extra sql statements    forum.hibernate.org

What I'm trying to find is a transparant way to do instance level security. I have some entities, let name them X, Y and Z, those entities are linked to a table called ROLES, this latter is an n-n table which refers to the actual permissions table, so you have something like: - X <-- X,1 --> 1 I do NOT ...

21. How to intercept associations    forum.hibernate.org

Hibernate version: 3.1 Friends, I am trying to create an Audit interceptor to track all entity changes in the application. This also includes tracking all new associations. I am having problems with intercepting unidirectional one-to-many association. I tried this with some simple entities to work on the problem. Here are the mapping files : Mapping documents: Class : Client Code: ...

22. Intercepting the objects between application and database    forum.hibernate.org

Need help with Hibernate? Read this first: http://www.hibernate.org/ForumMailingli ... AskForHelp Hibernate version:3.0 Mapping documents: Code between sessionFactory.openSession() and session.close(): Full stack trace of any exception that occurs:java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextEntry(HashMap.java:787) at java.util.HashMap$ValueIterator.next(HashMap.java:817) at org.hibernate.util.LazyIterator.next(LazyIterator.java:55) at br.com.murah.murahFramework.model.persistencia.hibernate.MurahBeanInterceptor.postFlush(MurahBeanInterceptor.java:52) at org.hibernate.event.def.AbstractFlushingEventListener.postFlush(AbstractFlushingEventListener.java:347) at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:28) at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:980) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.hibernate.context.ThreadLocalSessionContext$TransactionProtectionWrapper.invoke(ThreadLocalSessionContext.java:292) at $Proxy0.flush(Unknown Source) at br.com.murah.murahFramework.model.persistencia.hibernate.HibernateDAO.finalizarTransacao(HibernateDAO.java:1042) at gerador.TesteCipher.main(TesteCipher.java:133) Name and ...

23. Intercepting prepared statements with Hibernate 2    forum.hibernate.org

I wrote an interceptor to intercept some queries for an application running Hibernate 2. Unfortunately, the application uses prepared statements in certain classes. However, Hibernate 2's interceptor doesn't provide the onPrepareStatement that Hibernate 3's interceptor does. Is there a way for me to be able to intercept these prepared statements as well? Rewriting the application to not make use of prepared ...

24. intercept criteria sql    forum.hibernate.org

25. How [best] to intercept and change generated SQL?    forum.hibernate.org

Hibernate version: 3.2.2 (but may update soon) Name and version of the database you are using: Firebird 2.0.3 Is there a [best] way that I can intercept the SQL that Hibernate generates and modify it before it goes to the database? I'm looking into ways to speed up lots of INSERT statements. The Jaybird JDBC driver for Firebird defeats any attempts ...

26. How can I intercept dirty objects?    forum.hibernate.org

When I call session.merge() I assume Hibernate has managed to work out what has changed between my detached object and the DB-persisted entity. How can I get access to what it thinks has changed? Can I do something with the DefaultMergeEventListener and its copyCache map? There isnt enough Javadoc with this class to work out what to use ... Or will ...

27. intercept hibernate criteria sql    forums.oracle.com