dom4j « Map « JPA Q&A





1. Mapping in-memory tree (XOM, dom4j) to RDBMS    forum.hibernate.org

Hi, I'm fairly new to Hibernate so I wanted to ask the great Hibernate community to give me some pointers, thoughts or design patterns how to map an existing in-memory tree (e.g. XOM or dom4j) to RDBMS with Hibernate. Mostly all nodes in that tree are instantiated with the same class ("Element") and could be distinguished by an attribute typ. Every ...

2. ClassCastException with Map when EntityMode=DOM4J    forum.hibernate.org

Author Message agardiner Post subject: ClassCastException with Map when EntityMode=DOM4J Posted: Thu Jun 30, 2005 7:45 am Newbie Joined: Thu Jun 30, 2005 6:58 am Posts: 5 Hi All, I have a class that contains a Map keyed on an entity reference using . Attempts to retrieve instances of this class with EntityMode.DOM4J result in a ClassCastException in PersistentIndexedElementHolder.readFrom, ...

3. ERROR Configuration - dom4j Exception -while mapping    forum.hibernate.org

Hi all, I got the following error. and do not know how to proceed. 11:50:14,185 INFO Configuration:332 - Mapping resource: persistance/MyCompany.h bm.xml 11:50:14,216 ERROR XMLHelper:48 - Error parsing XML: XML InputStream(2) The proc essing instruction target matching "[xX][mM][lL]" is not allowed. 11:50:14,216 ERROR Configuration:296 - Could not configure datastore from input stream org.dom4j.DocumentException: Error on line 2 of document : The ...

4. Mapping to dom4j in 3.x (Newbie)    forum.hibernate.org

Hi When I export a given (persisted) object instance to XML via a Session with EntityMode.DOM4J, it is exported without any package qualifiers, e.g. Hello World ... However when I attempt to import the documents back into the database the operation fails, unless I use fully qualified Element names e.g. Hello World ... Is there a way ...

5. XML Mapping - DOM4J Session    forum.hibernate.org

Hi, I saw in the user manual that the XML Mapping feature (i.e. DOM4J Session) is new. Was wondering if someone with experience could comment on how well it works. We may have the option of using the XML support provided by Oracle in 10g, so any comments about the pros and cons would be appreciated, thanks. -- Nick

6. Mapping problems using DOM4J    forum.hibernate.org

I've been having a couple of problems trying to use DOM4J and entity mode mapping and I just wanted to know if these are known problems or if I'm doing something silly. The XML structure I'm trying to map is not within my control and is somewhat complex so I've simplified the problems I'm seeing into two test cases cases below. ...

7. Hibernate Dom4j XML Mappings limit select query    forum.hibernate.org

Hello All, We are using hibernate DOM4j mappings to save data into a database. The xml document is broken into component parts and saved to relevant columns to optomize searching and a full XML record is saved to the same table as well. Here is a mapping excerpt: Code:

8. Bug fixes for xml mapping (dom4j)    forum.hibernate.org

9. Saving child nodes with DOM4J    forum.hibernate.org

Now i added node="." to my my Trade.hbm.xml, so it saves Trade and tries to update Allocation. The trace: Saving trades Hibernate: insert into Trade (Quantity, Security) values (?, ?) select scope_identity() Done Hibernate: update Allocation set Quantity=?, Portfolio=? where id=? Aug 11, 2006 3:17:46 PM org.hibernate.event.def.AbstractFlushingEventListener performExecutions SEVERE: Could not synchronize database state with session org.hibernate.StaleStateException: Unexpected row count: 0 ...





10. Import XML data (parent/child) using dom4j without ids    forum.hibernate.org

Newbie Joined: Thu Mar 15, 2007 7:25 pm Posts: 2 I'm attempting to import XML data for objects without ids. I'm hoping that hibernate has the capability to create native keys on the fly for objects represented as dom4j elements. My existing code works quite well for any data that i comes from my export (i.e. has ids), but it fails ...

11. Can I convert a MAP entity to a DOM4J entity?    forum.hibernate.org

Hibernate version: 3.0 I have a requirement to track changes made to a database object and I was thinking a nice way to do this would be to store the before and after state of the object as XML text in a change tracking table. My application currently uses EntityMode.MAP to read and update my hibernate objects. When I do an ...