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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> > <nhusers%[email protected]<nhusers%[email protected]>
>
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> > > > > --
> > > > > Fabio Maulo
>
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>
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> > > --
> > > Fabio Maulo
>
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>
> --
> Fabio Maulo

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