The version is managed by NH. You can't change it by yourself.
2008/10/1 codemonkey <[EMAIL PROTECTED]>
>
> Another test I tried:
>
> <?xml version="1.0" encoding="utf-8"?>
> <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2">
> <class name="NHibernateTesting.Model.Order, NHibernateTesting"
> lazy="false" table="Orders">
> <id name="Id" column="Id" type="int">
> <generator class="native" />
> </id>
> <version name="RowVersion" column="RowVersion" type="int" unsaved-
> value="0" />
> <property name="Name" column="Name" type="string" />
> <property name="Total" column="Total" type="Decimal" />
> </class>
> </hibernate-mapping>
>
> Initial data, inserted with NDBUnit
>
> <Orders>
> <Id>1</Id>
> <Name>Test</Name>
> <Total>10.0</Total>
> <RowVersion>2</RowVersion>
> </Orders>
>
> Then try an update and set rowversion to older:
>
> var order = this.session.Get<Order>(1);
>
> order.RowVersion = 1;
> order.Name = "Test";
>
> session.Update(order);
>
>
> I would expect this to fail (I guess I have this totally wrong), if I
> set genrated="never" on the version it will fail but obviously rely on
> DB to increment. It will increment the version to 3 and save happily,
> I can see in the log it states incrementing from 2 to 3, where is it
> getting this 2 from? I assume some cache? If I evict the object it
> will work fine showing that it is caching something. Please slap me
> straight :P
>
>
>
> Cheers
>
>
>
> On Oct 1, 3:25 pm, codemonkey <[EMAIL PROTECTED]> wrote:
> > It seems that If I evict my object out of the session it works, why
> > would this be the case? I am selecting first so my child collections
> > are not lost and I can map across the values from my DTO, this worked
> > fine with a TimeStamp version column don't see why the integer is
> > different maybe becuase the int is incremented by NH?
> >
> > On Oct 1, 2:23 pm, codemonkey <[EMAIL PROTECTED]> wrote:
> >
> > > Hello,
> >
> > > I recently changed all my RowVersion columns to use an integer instead
> > > of the timestamp I was using, my optimistic locking was working
> > > previously and the error would be thrown if I opened up the same
> > > record and edited one, then edited the same version.
> >
> > > My service method firsts selects the record maps across from my DTO
> > > and updates, no data acess code has changed just the RowVersion column
> > > has changed. Any ideas would be great this is driving me nuts:
> >
> > > public void Update(CourseUpdateDTO courseDTO) {
> >
> > > // Load the existing course.
> > > var course =
> > > this.courseRepository.SelectById(courseDTO.Id);
> >
> > > // Map properties across.
> > > course.CricosCode = courseDTO.CricosCode;
> > > course.Description = courseDTO.Description;
> > > course.InternalCode = courseDTO.InternalCode;
> > > course.Title = courseDTO.Title;
> > > course.RowVersion = courseDTO.RowVersion;
> >
> > > // Validate the model and update using the repository.
> > > course.Validate();
> > > this.courseRepository.Update(course);
> >
> > > }
> >
> > > Mapping:
> >
> > > <?xml version="1.0" encoding="utf-8"?>
> > > <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2">
> > > <class name="Course" table="Courses" lazy="false">
> > > <id name="Id" column="ID" type="int">
> > > <generator class="native" />
> > > </id>
> > > <version name="RowVersion" column="RowVersion" unsaved-value="0" /
> >
> > > <many-to-one name="Institution" column="InstitutionID"
> > > cascade="none" not-null="true" fetch="join" />
> > > <many-to-one name="SubjectArea" column="SubjectAreaID"
> > > cascade="none" not-null="true" fetch="join" />
> > > <property name="Title" column="Title" type="string" />
> > > <property name="CricosCode" column="CRICOSCode" type="string" />
> > > <property name="InternalCode" column="InternalCode" type="string" /
> >
> > > <property name="Description" column="Description" type="string" /
> >
> > > <set name="CourseSemesters" inverse="true" lazy="true"
> > > cascade="delete-orphan">
> > > <key column="CourseID" />
> > > <one-to-many
> > >
> class="Phoenix.Link2Uni.ApplicationManager.Model.CourseSemester,Phoenix.Lin
> k2Uni.ApplicationManager.Model" /
> >
> > > </set>
> > > </class>
> > > </hibernate-mapping>
> >
> > > Thanks
> >
>
--
Fabio Maulo
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