attribute 2 « Map « JPA Q&A





1. Equality Comparison on a date attribute using Criteria    forum.hibernate.org

Hello all, I am very new to hibernate. I have a one-to-one relationship between two tables MASTER and ROSTER. I have correctly mapped a unidirectional one-to-one association from my persistent class Roster to Master. I need to search all Roster records by transaction_date property of Master. I have spent hours trying to search for an elegant way to do this query ...

2. Mapping an Associative Table that has various attributes    forum.hibernate.org

Hi everyone, The problem I am having can be summarized as follows: I have a table USERS, a table MEDIA (where movies and books are stored) and an associative table called USER_MEDIA where I store if a USER has "seen" a MEDIA. On table USER_MEDIA I also need to store the latest rate of this media given by the user. The ...

3. property is not mapped with formula attribute    forum.hibernate.org

4. Creating one to many relationship using class attributes    forum.hibernate.org

Hello. I'm pretty new to java development, and even more new to Hibernate, and could use some help figuring out a thing or two. I have had some difficulty finding info because I am using attributes in my java class to do the hibernate mapping, rather than doing the mapping in a mapping config file. This would appear to not be ...

6. attribute mappedBy    forum.hibernate.org

7. Attribute mapping for custom SQL output    forum.hibernate.org

I am working on an existing domain model and using Hibernate Annotations. I have problem mapping an entity and need some help/inputs/ideas/suggestions. Here is the scenario, I have 4 tables: 1) Oraganization (Org_id(primary key), Org_num, Org_name, etc...) 2) Office (Off_id (primary key), Org_id, Off_name, etc...) 3) Service (Svc_id (primary key), Svc_desc) 4) Office_Service (Off_id, Svc_id) The issue is with mapping the ...

9. Directly mapping collection size to attribute using count?    forum.hibernate.org

A has a one-to-many relationship to B. Hence, class A has an attribute collectionOfB. Is there any way I could map "count B" to single attribute in A? The purpose would be to offer a shortcut to retrieve the number of associated Bs without loading the entire collection. Sometimes all I need is the count i.e. the collection size. I know ...





10. ManytoMany with persistent attributes    forum.hibernate.org

Hi, I'm trying to do a many to many relationship, however, my table has some persistent attributes. Users (* id, name, login, password); Roles (* id, description); Permissions (* iduser, * idrole, candelete, canmodify, canupdate); I wish to use Hibernate Annotations and I haven't find another way to do this except to create Permissions like a persistent class and set a ...

11. need help on formula attribute of property tag    forum.hibernate.org

Is there a way to create a formula property mapping where I can pass runtime parameters to the formula? I want to call an oracle function that takes in a longitude and latitude and calculates the distance. Here is the mapping of the field: I'm using oracle.... Thanks in advance...

12. Attribute "note" must be declared for element type "property    forum.hibernate.org

Hello gurus....I have the following exception, while trying to read XML data Please suggest what would be wrong in my hbm. I have my test case runs fine if I remove node="....." attributes from my hbm. [2011-03-29 13:59:50,227] FATAL HIBService [ main] Hibernate initial session factory creation failed. org.hibernate.InvalidMappingException: Unable to read XML at org.hibernate.util.xml.MappingReader.readMappingDocument(MappingReader.java:101) at org.hibernate.cfg.Configuration.add(Configuration.java:513) at org.hibernate.cfg.Configuration.add(Configuration.java:509) at org.hibernate.cfg.Configuration.addFile(Configuration.java:504) ...

13. Override Transient attributes    forum.hibernate.org

Hi, I have an Embeddable class which has 5 attributes. This class will be embedded in other classes. Some classes want to override only 1 field; some want to overrride 3 field. Is there a way in hibernate to Overrride a Transient attribute present in Embedded class? @AttributeOverride does not seem to do this. OR Can i somehow use AttributeOverride (or ...

14. @Column optional attributes    forum.hibernate.org

hi, Now I'm wondering what function the optional attributes in the @Column annotation have. I always thought it was the first place to "throw an exception" if for example the length=xyz attribute for a String field is exceeded. But when I try to persist a pojo with a mapped field like this, nothing happens. The only exceptions that gets thrown is ...

15. @Version Unchanged attributes version is increased    forum.hibernate.org

Hi, i've go a little problem with the @Versions annotation of hibernate(3.5.6 Final and jpa 2.0). In my program there is a customer with version, who has got an address with a version. If some value of the customer changes e.g. name the version of the customer is increased - good, but the version of the unchanged address is changed too ...

16. repeated reads - returns object with null attributes.    forum.hibernate.org

Hibernate 3.3, my SQL 5. My app passes around the unique ID for a specific item in my DB. This means that some scenarios require me to retrieve the item 9(read by Id), make a decision basedon some attribute and call some other method passing the ID. once agin, that method retrievees the oriiginal object again by ID. - there are ...





18. element in configuration specifies no attributes(SOLVED)    forum.hibernate.org

Initial SessionFactory creation failed.org.hibernate.MappingException: element in configuration specifies no attributes Exception in thread "main" java.lang.ExceptionInInitializerError at util.HibernateUtil.(HibernateUtil.java:15) at django.Demo.listaTutteCategorie(Demo.java:36) at django.Demo.main(Demo.java:110) Caused by: org.hibernate.MappingException: element in configuration specifies no attributes at org.hibernate.cfg.Configuration.parseMappingElement(Configuration.java:1485) at org.hibernate.cfg.Configuration.parseSessionFactory(Configuration.java:1433) at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1414) at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1390) ...

20. usign the where attribute in the class element    forum.hibernate.org

Object[] values = new Object[3]; values[0] = "published"; values[1] = new java.util.Date(); values[2] = new java.util.Date(); net.sf.hibernate.type.Type[] types = new net.sf.hibernate.type.Type[3]; types[0] = Hibernate.STRING; types[1] = Hibernate.DATE; types[2] = Hibernate.DATE; java.util.List playlists = (java.util.List)sess.filter(frame.getList(), "where this.status.name = ? and (this.showEdate is null or this.showEdate > ?) and (this.showSdate is null or this.showSdate <= ?) order by sort_order", values, types);

21. Ignoring in    forum.hibernate.org

Hi! I'm using JBoss 3.0.3 with Tomcat 4.1, Hibernate 2.1beta3 and Struts. Hibernate is installed as described in http://www.hibernate.org/66.html . My project has the following structure: /form/ /META-INF/ /META-INF/classes/de/sam/strutstest/action /META-INF/classes/de/sam/strutstest/dto /META-INF/classes/de/sam/strutstest/dto/mapping /META-INF/classes/de/sam/strutstest/form /META-INF/lib /META-INF/classes/de/sam/strutstest/dto includes class User.class ("Hibernate class") /META-INF/classes/de/sam/strutstest/dto/mapping includes mapping file User.hbm.xml My jboss-service: jboss.jca:service=RARDeployer