Hakon - > ... it's possible to specify the named queries in a separate file, and still define the entities using annotations? Yes, you can specify mapping information in annotations and via mapping file(s). In the case where mapping information is specified in both annotations and xml, the xml mapping information will always take precedence.
For example, if you wanted to use the orm.xml file for only your named queries, you could do something along these lines (borrowed from our unit test bucket)... <entity-mappings xmlns="http://java.sun.com/xml/ns/persistence/orm"; xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; xsi:schemaLocation="http://java.sun.com/xml/ns/persistence/ormorm_2_0.xsd"; version="2.0"> <entity name="XMLFieldAccess2" class="org.apache.openjpa.persistence.access.xml.XMLFieldAccess2"> <named-query name="XMLFieldAccess2.query"> <query>SELECT xfa FROM XMLFieldAccess2 xfa WHERE xfa.id = :id AND xfa.strField = :strVal </query> </named-query> </entity> </entity-mappings> This information can be put in a couple different places. The easiest is to put it in META-INF/orm.xml. Another option is to create another xml file and you'll need to specify <mapping-file>org/apache/openjpa/persistence/xml/orm.xml</mapping-file> in your persistence.xml. If you follow one of these two options correctly, the enhancer will find the mapping file(orm.xml) and instrument your Entities correctly. > Are there any guides on how to work with orm files using openjpa(?) Unfortunately I haven't found much good information, even the spec is pretty light on mapping using the orm.xml. Maybe someone else on the list has some input? One good place to look for examples is the openjpa unit tests. We have a pretty exhaustive test suite that should help get you going. Thanks, Rick 2010/9/14 Håkon Sagehaug <[email protected]> > Hi all, > > Up til now I created my entities using the java annotations with queries > etc, but was wondering if it's possible to specify the named queries in a > separate file, and still define the entities using annotations. Or do I > have > to do my entities in orm file if I want the named queries in XML or > similar. > > Are there any guides on how to work with orm files using openjpa, does the > enhancer create the needed java classes from the XML or how does it work? > > Cheers, Håkon >
