Or you have to go to your NHibernate3 cookbook page 184 On Tue, Apr 26, 2011 at 1:35 PM, Ricardo Peres <[email protected]> wrote:
> Do your long or int fields map to nullable columns in the database? > If so, you must map them as long ? or int ?. > > > On Apr 26, 3:01 pm, Maximilian Raditya <[email protected]> wrote: > > No problem, Peter. I'd like to see if I could offer any help here. > > > > So, let me summarize your situation. Please clarify whether it's correct > or > > not: > > > > 1. You have parent-child like domain model, the parent = Group, the > child > > = Document/DocumentBase, with one-to-many relationship. > > 2. You observed that updating a child from a parent causing other > > children from other parent to be update as well, when you expected > they > > shouldn't be. > > 3. You're updating the entity from the child side not from the parent > > one, but your mapping <bag /> doesn't have inverse=true attribute. > > > > For point #3, how about adding inverse=true to your <bag /> mapping and > > observe the difference. I'd suggest you to see section 20.2 > (Bidirectional > > one-to-many) in the NH doc. > > > > Also, could you elaborate more your session usage pattern, the sequence I > > mean. For example: > > - Open ISession > > - Load GROUP #1 > > - Update a property in DOCUMENT of GROUP #1 > > - Update DOCUMENT > > - Flush ISession > > > > -- > > Regards, > > > > Maximilian Haru Raditya > > > > > > > > > > > > > > > > On Tue, Apr 26, 2011 at 8:14 PM, PLen <[email protected]> wrote: > > > Maximilian, > > > > > Thanks for the continued reponses. As for the DOCUMENT mapping, the > > > domain object looks like: > > > > > public class RptDocumentBase { > > > public RptDocumentBase() { } > > > public virtual long DocBaseId { get; set; } > > > public virtual RptIngestGroup RptIngestGroup { get; set; } // > > > The GROUP object > > > } > > > > > and the mapping file looks like: > > > > > <hibernate-mapping assembly="IcebergDatabaseAccess" > > > namespace="IcebergDatabaseAccess.Domain" xmlns="urn:nhibernate- > > > mapping-2.2"> > > > > > <class name="RptDocumentBase" table="ICEBERG.RPT_DOCUMENT_BASE" > > > lazy="true" > > > > <id name="DocBaseId" type="Int64" column="DOC_BASE_ID"> > > > <generator class="sequence"> > > > <param name="sequence">ICEBERG.SEQ_RPT_DOCUMENT_BASE</param> > > > </generator> > > > </id> > > > <many-to-one name="RptIngestGroup" column="INGEST_GROUP_ID"/> > > > ........... > > > > > The updates are using the NHibernate "Update" command where I pass in > > > the object (ie the RptIngestGroup object). As far as the session > > > goes, I found out early on that I had to use the same session that was > > > used to query for the data if I wanted to update the data. So, yes, I > > > am using the same session. In the case that I have, I have only > > > updated the in-memory DOCUMENT object from GROUP 1 when I go to do the > > > NHibernate "update" of GROUP 2. When looking at the output console, > > > NHibernate shows an UPDATE command for my DOCUMENT, along with toehr > > > UPDATE commands concerning any DOCUMENT objects that were part of > > > GROUP 2. Again, there is nothing that links my DOCUMENT to GROUP 2. > > > It is almost as if NHibernate checks everything it got back from the > > > query to see if any of the objects are different, regardless if they > > > are attached to the object being sent in for the update. > > > > > - Peter > > > > > -- > > > You received this message because you are subscribed to the Google > Groups > > > "nhusers" group. > > > To post to this group, send email to [email protected]. > > > To unsubscribe from this group, send email to > > > [email protected]. > > > For more options, visit this group at > > >http://groups.google.com/group/nhusers?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "nhusers" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/nhusers?hl=en. > > -- Fabio Maulo -- You received this message because you are subscribed to the Google Groups "nhusers" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/nhusers?hl=en.
