All modified entities are updated when the session is flushed. That's just
how NH works.
Diego
On Fri, Oct 1, 2010 at 01:45, alexey_baranov <[email protected]> wrote:
> Hi!
>
> Sorry for my poor english again. Sometimes I may write something else
> then want to say. Let me try again. I'l try to explain my point. As
> we understand cascade= "Save-update, persist" will save transient
> refferenced entities as we need.
>
> ISession.Save(transientEntity); //persisting refferenced transient
> entities
>
> That's OK.
>
> And it will command to update refferenced persisted entities when
> doing so
>
> ISession.Update(persistedEntity); //updating refferenced persisted
> entities
>
> This is little more then we need in out case.
>
> I'm trying to ask may we configure NHibernate for saving transient
> entities WITHOUT auto updating persisted entities?
> Another word can we write cascade="save-update, but only when
> refferenced entity is transient"?
>
> Thanks!
>
> On Sep 30, 6:09 pm, Fabio Maulo <[email protected]> wrote:
> > well... it depend on which method you will use.
> > btw don't say "We do not like save-update feature" if you want work the
> way
> > you have described.
> >
> > On Thu, Sep 30, 2010 at 9:05 AM, alexey_baranov <[email protected]>
> wrote:
> > > OK. We do not like "save-update" feature. May we set just default-
> > > cascade="persist" ?
> >
> > > Thanks!
> >
> > > On Sep 30, 5:27 pm, Fabio Maulo <[email protected]> wrote:
> > > > What you have to do is set default-cascade="save-update, persist" at
> the
> > > top
> > > > of each mapping.
> > > > I don't like it at all but you know what you need.
> >
> > > > On Thu, Sep 30, 2010 at 6:26 AM, alexey_baranov <[email protected]>
> > > wrote:
> > > > > I'm not sure understand what you ask, But I'l try
> >
> > > > > We have a code where Obj inherited classes (Request, Person,
> Client,
> > > > > Network....) returns like base Obj type (Everything is Obj in out
> > > > > solution/ Like in AD, LDAP or other catalog)
> >
> > > > > And we have many many views for each entity type. Like
> > > > > NetworkEquipmentView, ClientView, FolderView, PersonView, ....
> >
> > > > > class ObjView: UserControl{
> > > > > Obj Model(){
> > > > > set <...}
> > > > > get {
> > > > > ...
> > > > > return _model;
> > > > > }
> > > > > }
> > > > > }
> >
> > > > > Now imagine user click "Save" button. We get Obj refference to
> View's
> > > > > model (but we do not know what type exactly) and need to save it.
> >
> > > > > var model= SomeView.Model; //hire we have any Obj for example
> Person.
> > > > > Sometimes it refference to new Entity. Mayby it refference to
> > > > > transient Parent, mayby it refference to transient Attachment,
> mayby
> > > > > model is not a Peston but File at all
> > > > > session.Save(model); //and hire we want to save all unsaved
> > > > > refferenced entities before saving model. But have Exception
> "unable
> > > > > to save entity, save unsaved referenced entity first"
> >
> > > > > what we have to do hire is to check model type and then chek is
> > > > > refference properties transient or not like this
> >
> > > > > if (model is Folder){
> > > > > if (model have unsaved attachments){
> > > > > save unsaved attachments
> > > > > }
> > > > > }
> > > > > else if (model is Request){
> > > > > if (model have unsaved initier){
> > > > > save initier
> > > > > }
> > > > > if (model have unsaved doers){
> > > > > save unsaved doers
> > > > > }
> > > > > if (model have unsave .....)
> > > > > }
> > > > > else if (....
> > > > > .....
> > > > > }
> > > > > esle if
> > > > > else if
> > > > > .....
> > > > > ....
> > > > > }
> >
> > > > > We have many other places where we got returned polimorphoc entity
> > > > > like base class Obj
> > > > > Hope you understand me
> >
> > > > > Thanks!
> >
> > > > > <?xml version="1.0" encoding="utf-8" ?>
> > > > > <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2"
> > > > > assembly="Helpdesk" namespace="Helpdesk">
> > > > > <class name="Obj" discriminator-value="9">
> > > > > <id name="Id">
> > > > > <generator class="native" />
> > > > > </id>
> > > > > <discriminator column="Typee" type="Int32"/>
> > > > > <timestamp name="Modifed"/>
> > > > > <property name="Path" access="nosetter.camelcase-underscore"
> not-
> > > > > null="true"/>
> > > > > <property name="Name" column="Namee" not-null="true"/>
> > > > > <property name ="IsFolder"
> access="nosetter.camelcase-underscore"/
> >
> > > > > <property name="Note"/>
> > > > > <property name="Created" not-null="true"/>
> > > > > <many-to-one name="Owner" column ="Ownerr" />
> > > > > <many-to-one name ="Parent"
> access="nosetter.camelcase-underscore"/
> >
> > > > > <set name="Children" inverse="true">
> > > > > <key column="Parent"/>
> > > > > <one-to-many class="Obj"/>
> > > > > </set>
> > > > > <set name="Attachments" table="Obj_Attachments" cascade="save-
> > > > > update">
> > > > > <key column="Obj"/>
> > > > > <many-to-many column="Attachment" class="Filee"/>
> > > > > </set>
> > > > > </class>
> > > > > </hibernate-mapping>
> >
> > > > > <?xml version="1.0" encoding="utf-8" ?>
> > > > > <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2"
> > > > > assembly="Helpdesk" namespace="Helpdesk">
> > > > > <subclass name="Folder" extends ="Obj" discriminator-value="42">
> > > > > <!--<join table="Folder">
> > > > > <key column="Id"/>
> > > > > </join>-->
> > > > > </subclass>
> > > > > </hibernate-mapping>
> >
> > > > > <?xml version="1.0" encoding="utf-8" ?>
> > > > > <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2"
> > > > > assembly="Helpdesk" namespace="Helpdesk">
> > > > > <subclass name="Request" extends ="Obj" discriminator-value="41">
> > > > > <!--<join table="Request">
> > > > > <key column="Id"/>-->
> > > > > <property name="Text" column="Textt"/>
> > > > > <property name="Deadline"/>
> > > > > <property name="Closed"/>
> > > > > <property name="CallbackOn"/>
> > > > > <many-to-one name ="Initier" fetch="join"/>
> > > > > <list name="Doers" table="Request_Doers">
> > > > > <key column="Request"/>
> > > > > <index column="i"/>
> > > > > <many-to-many column="Doer" class="Department"/>
> > > > > </list>
> > > > > <!--</join>-->
> > > > > </subclass>
> > > > > </hibernate-mapping>
> >
> > > > > <?xml version="1.0" encoding="utf-8" ?>
> > > > > <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2"
> > > > > assembly="Helpdesk" namespace="Helpdesk">
> > > > > <subclass name="Note" extends ="Obj" discriminator-value="63">
> > > > > <!--<join table="Note">
> > > > > <key column="Id"/>-->
> > > > > <property name="Text" column="Textt"/>
> > > > > <!--</join>-->
> > > > > </subclass>
> > > > > </hibernate-mapping>
> >
> > > > > ....
> > > > > ...
> > > > > ...
> > > > > ...
> >
> > > > > On Sep 29, 4:15 pm, Fabio Maulo <[email protected]> wrote:
> > > > > > A little graph with your mapping.
> >
> > > > > > On Wed, Sep 29, 2010 at 5:20 AM, alexey_baranov <
> [email protected]>
> > > > > wrote:
> > > > > > > I'm not shure understand you. What is this "save-update,
> persist" ?
> > > Is
> > > > > > > it existed feature or just the abbreviation for our wish? I
> have
> > > never
> > > > > > > see "persist". We do not need cascade "save-update, persist",
> just
> > > > > > > "persist".
> >
> > > > > > > I can share any mapping information you need. This is not a big
> > > > > > > seecret. What does exactly you ask? Mapping files? code listing
> or
> > > > > > > litle example?
> >
> > > > > > > Thanks!
> >
> > > > > > > On Sep 29, 3:30 am, Fabio Maulo <[email protected]> wrote:
> > > > > > > > I would say that what you are looking for is
> > > > > > > default-cascade="save-update,
> > > > > > > > persist" but I would be sure.
> >
> > > > > > > > If the question will not sound "rude" (today was again
> another of
> > > > > those
> > > > > > > day,
> > > > > > > > in public and privately),
> >
> > > > > > > > can you show us an example ?
> >
> > > > > > > > A little graph with your mapping.
> >
> > > > > > > > On Tue, Sep 28, 2010 at 1:11 PM, alexey_baranov <
> > > [email protected]>
> > > > > > > wrote:
> > > > > > > > > Hi!
> >
> > > > > > > > > We have to implement new method SaveGraph(), wich will be
> like
> > > > > > > > > original ISession.Save() except automatic saving
> refferenced
> > > > > transient
> > > > > > > > > entities insted throwin exception.We need this feature in
> many
> > > > > cases
> > > > > > > > > when working with polimorphic entities and do not know
> exactly
> > > what
> > > > > > > > > type is used. We ask more experienced users and developers
> > > voice is
> > > > > it
> > > > > > > > > feasible work.
> >
> > > > > > > > > Thanks.
> >
> > > > > > > > > --
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> >
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> >
> >
> > > > > > > > > .
> > > > > > > > > For more options, visit this group at
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> >
> > > > > > > > --
> > > > > > > > Fabio Maulo
> >
> > > > > > > --
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> >
> >
> > > > > <nhusers%[email protected]<nhusers%[email protected]>
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> >
> > > <nhusers%[email protected]<nhusers%[email protected]>
> <nhusers%[email protected]<nhusers%[email protected]>
> >
> >
> > > > > > > .
> > > > > > > For more options, visit this group at
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> >
> > > > > > --
> > > > > > Fabio Maulo
> >
> > > > > --
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> >
> >
> > > > > .
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> >
> > > > --
> > > > Fabio Maulo
> >
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> >
> > ...
> >
> > read more »
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