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d1camero
 Post subject: Not saving update of date?
PostPosted: Fri Mar 09, 2007 9:51 pm 
Newbie

Joined: Fri Jan 12, 2007 9:54 am
Posts: 4
NHibernate is working fine except for this one odd problem. I load an object, change a date field, then Update it. Does not save the data though.

Here is the method:

Code:
           
Dim task As BusinessTaskVw = NHibernateHelper.Load(GetType(BusinessTaskVw), taskId)
            task.DateCompleted = Date.Now
            NHibernateHelper.Update(task)


And thehelper method:

Code:

            Dim session As ISession = Nothing
            Dim tx As ITransaction = Nothing

            Try

                session = NHibernateHelper.GetCurrentSession()
                tx = session.BeginTransaction()
                session.Update(entity)

            Finally
                If Not tx Is Nothing Then
                    tx.Commit()
                End If
                If Not session Is Nothing Then
                    NHibernateHelper.CloseSession()
                End If
            End Try


The mapping file:

Code:
<?xml version="1.0" encoding="utf-8" ?>
<hibernate-mapping xmlns="urn:nhibernate-mapping-2.2">
   <class name="ca.bc.gov.cserv.lgis.businessentity.BusinessTaskVw,ca.bc.gov.cserv.lgis.businessentity" table="BUSINESS_TASK_VW" lazy="false" mutable="false">

      <id name="Id" column="ID" type="Decimal">
         <generator class="sequence">
            <param name="sequence">BUSINESS_TASK_VW_seq</param>
         </generator>
      </id>
      <property column="TASK_TYPE_CODE" type="String" name="TaskTypeCode" />
      <property column="OBJECT_TYPE_CODE" type="String" name="ObjectTypeCode" />
      <property column="OBJECT_ID" type="Decimal" name="ObjectId" />
      <property column="ROLE_CODE" type="String" name="RoleCode" />
      <property column="COMMENTS" type="String" name="Comments" />
      <property column="DATE_ASSIGNED" type="DateTime" name="DateAssigned" />
      <property column="DATE_STARTED" type="DateTime" name="DateStarted" />
      <property column="DATE_COMPLETED" type="DateTime" name="DateCompleted" />
      
   </class>
</hibernate-mapping>


And finally the log:

Code:
2007-03-09 17:50:00,391 [7] DEBUG ca.bc.gov.cserv.frameworks.dataaccess.NHibernateHelper - Update Start
2007-03-09 17:50:00,391 [7] DEBUG ca.bc.gov.cserv.frameworks.dataaccess.NHibernateHelper - GetCurrentSession Start
2007-03-09 17:50:00,391 [7] DEBUG NHibernate.Impl.SessionImpl - opened session
2007-03-09 17:50:00,391 [7] DEBUG ca.bc.gov.cserv.frameworks.dataaccess.NHibernateHelper - GetCurrentSession End
2007-03-09 17:50:00,391 [7] DEBUG NHibernate.Transaction.AdoTransaction - begin
2007-03-09 17:50:00,391 [7] DEBUG NHibernate.Connection.DriverConnectionProvider - Obtaining IDbConnection from Driver
2007-03-09 17:50:00,391 [7] DEBUG NHibernate.Impl.SessionImpl - immutable instance passed to doUpdate(), locking
2007-03-09 17:50:00,391 [7] DEBUG NHibernate.Impl.SessionImpl - reassociating transient instance: [ca.bc.gov.cserv.lgis.businessentity.BusinessTaskVw#13]
2007-03-09 17:50:00,391 [7] DEBUG NHibernate.Transaction.AdoTransaction - commit
2007-03-09 17:50:00,391 [7] DEBUG NHibernate.Impl.SessionImpl - flushing session
2007-03-09 17:50:00,391 [7] DEBUG NHibernate.Impl.SessionImpl - Flushing entities and processing referenced collections
2007-03-09 17:50:00,391 [7] DEBUG NHibernate.Impl.SessionImpl - Processing unreferenced collections
2007-03-09 17:50:00,391 [7] DEBUG NHibernate.Impl.SessionImpl - scheduling collection removes/(re)creates/updates
2007-03-09 17:50:00,391 [7] DEBUG NHibernate.Impl.SessionImpl - Flushed: 0 insertions, 0 updates, 0 deletions to 1 objects
2007-03-09 17:50:00,391 [7] DEBUG NHibernate.Impl.SessionImpl - Flushed: 0 (re)creations, 0 updates, 0 removals to 0 collections
2007-03-09 17:50:00,391 [7] DEBUG NHibernate.Impl.Printer - listing entities:
2007-03-09 17:50:00,391 [7] DEBUG NHibernate.Impl.Printer - ca.bc.gov.cserv.lgis.businessentity.BusinessTaskVw{ObjectTypeCode=APPL, DateAssigned=3/9/2007, RoleCode=TECH, DateCompleted=3/9/2007, Id=13, DateStarted=null, TaskTypeCode=TECHREVIEW, ObjectId=178, Comments=tech review}
2007-03-09 17:50:00,391 [7] DEBUG NHibernate.Impl.SessionImpl - executing flush
2007-03-09 17:50:00,391 [7] DEBUG NHibernate.Impl.SessionImpl - post flush
2007-03-09 17:50:00,391 [7] DEBUG NHibernate.Impl.SessionImpl - transaction completion
2007-03-09 17:50:00,391 [7] DEBUG NHibernate.Transaction.AdoTransaction - running AdoTransaction.Dispose()
2007-03-09 17:50:00,391 [7] DEBUG ca.bc.gov.cserv.frameworks.dataaccess.NHibernateHelper - CloseSession Start
2007-03-09 17:50:00,391 [7] DEBUG NHibernate.Impl.SessionImpl - closing session
2007-03-09 17:50:00,391 [7] DEBUG NHibernate.Impl.SessionImpl - disconnecting session
2007-03-09 17:50:00,391 [7] DEBUG NHibernate.Connection.ConnectionProvider - Closing connection
2007-03-09 17:50:00,391 [7] DEBUG NHibernate.Impl.SessionImpl - transaction completion
2007-03-09 17:50:00,391 [7] DEBUG ca.bc.gov.cserv.frameworks.dataaccess.NHibernateHelper - CloseSession End
2007-03-09 17:50:00,391 [7] DEBUG ca.bc.gov.cserv.frameworks.dataaccess.NHibernateHelper - Update End
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canton
 Post subject:
PostPosted: Sun Mar 11, 2007 9:28 pm 
Regular
Regular

Joined: Tue Aug 08, 2006 4:28 am
Posts: 96
Location: Hong Kong
From NHibernate Reference Document
Quote:
Immutable classes, mutable="false", may not be updated or deleted by the application. This allows NHibernate to make some minor performance optimizations


set mutable="true" if you made it false by mistake.
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d1camero
 Post subject:
PostPosted: Mon Mar 12, 2007 1:59 pm 
Newbie

Joined: Fri Jan 12, 2007 9:54 am
Posts: 4
DOH!

Thanks for pointing out the obvious!

Don
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