definitly wrong. works fine. just no lazy loading.

what enhancement  r u using?



------------------------------
Romain Manni-Bucau schrieb am So., 20. Okt 2013 21:51 MESZ:

>Unmanaged entities are almost read only
>Le 20 oct. 2013 21:48, "José Luis Cetina" <[email protected]> a écrit :
>
>> Whats is not supported by openjpa?
>> El 20/10/2013 14:22, "Romain Manni-Bucau" <[email protected]>
>> escribió:
>>
>> > Openjpa clearly doesnt support today...and no Mark it can or not work by
>> > spec...
>> > Le 20 oct. 2013 18:04, "José Luis Cetina" <[email protected]> a
>> écrit :
>> >
>> > > Responses inline.
>> > >
>> > > El 20/10/2013 06:51, "Mark Struberg" <[email protected]> escribió:
>> > > >
>> > > > Romain, that's nowhere in the spec. Thus it must work. Really!
>> > >
>> > > If this is true, what im doing wrong? Or this is openjpa or tomee
>> issue?
>> > >
>> > > >
>> > > > The only thing which is specified to be immutable are lists returned
>> by
>> > > query.getResultList.
>> > > > That's the reason why you should not back a sortable h:dataTable by a
>> > > list you get from JPA directly.
>> > > > All other stuff is perfectly mutable.
>> > > >
>> > > > LieGrue,
>> > > > strub
>> > > >
>> > > >
>> > > >
>> > > >
>> > > > >________________________________
>> > > > > From: Romain Manni-Bucau <[email protected]>
>> > > > >To: [email protected]
>> > > > >Sent: Sunday, 20 October 2013, 10:00
>> > > > >Subject: Re: Entity cant be refreshed with new list values
>> > > > >
>> > > > >
>> > > > >Not really. An entity handles a state which can prevent it. Nothing
>> > > > >mandates it to work
>> > > > >
>> > > > >Le 20 oct. 2013 09:50, "José Luis Cetina" <[email protected]> a
>> > > écrit
>> > > :
>> > > > >
>> > > > > What about using a detached entity?? The detached entity will work
>> > > like a
>> > > > > DTO?
>> > > > >
>> > > > > From Real World Java EE Patterns (Adam Biem) 2009
>> > > > > Problem
>> > > > > The origin problem statement was: “You want to transfer multiple
>> > data
>> > > > > elements over a tier”
>> > > > > (
>> > > > >
>> > > > >
>> > >
>> > >
>> >
>> http://java.sun.com/blueprints/corej2eepatterns/Patterns/TransferObject.html
>> > > > > ).
>> > > > > This particular problem was elegantly solved in Java EE 5 with
>> > > detachment
>> > > > > of persistent entities. There is
>> > > > > no need for the introduction of another class just for
>> transferring
>> > > the
>> > > > > entities data. JPA entities can
>> > > > > implement a java.io.Serializable interface and be transferred
>> > between
>> > > > > tiers, even remote ones.
>> > > > > CMP 2.x entities weren’t Serializable, the developer was forced to
>> > > copy
>> > > > > their states to a remotely
>> > > > > transferable structure—the Transfer Object.
>> > > > >
>> > > > >
>> > > > >
>> > > > > 2013/10/19 Howard W. Smith, Jr. <[email protected]>
>> > > > >
>> > > > > > responses below...
>> > > > > >
>> > > > > > On Sat, Oct 19, 2013 at 3:46 PM, Mark Struberg <
>> [email protected]
>> > >
>> > > > > wrote:
>> > > > > >
>> > > > > > > be careful with immediate=true. You get all sorts of nasty
>> side
>> > > > > effects.
>> > > > > > >
>> > > > > > > see page 92 in
>> > > > > > >
>> > > > > >
>> > > > >
>> > >
>> > >
>> >
>> http://people.apache.org/~struberg/eesummit2013/Java%20EE%20Summit%20-%20pitfalls%20in%20EE.pdf
>> > > > > > >
>> > > > > > >
>> > > > > > I definitely agree and understand about immediate=true, and
>> guess
>> > > what, i
>> > > > > > found it very useful to disable validation as instructed on page
>> > 92
>> > > of
>> > > > > the
>> > > > > > PDF file.
>> > > > > >
>> > > > > > clarification of my use/understanding:
>> > > > > >
>> > > > > > i am 'not' using immediate=true, when i user is to select a row
>> on
>> > > > > > datatable, and then click commandbutton/link/menuitem, which
>> does
>> > a
>> > > POST
>> > > > > of
>> > > > > > the selected row on the datatable, and bean uses the selected
>> row
>> > to
>> > > > > > prepare the UI for the next view that is 'rendered' via
>> > > > > > ui:include=#{bean.page}. see below and keep reading, please.
>> > > > > >
>> > > > > >     <p:menuitem value="Add" icon="ui-icon ui-icon-circle-plus"
>> > > > > >
>> > > > > > actionListener="#{pf_pointOfContactController.prepareCreate()}"
>> > > > > >
>> > >  update="#{pf_pointOfContactController.getAjaxUpdate()}"/>
>> > > > > >     <p:menuitem value="Edit" icon="ui-icon ui-icon-pencil"
>> > > > > >
>> > > > > > actionListener="#{pf_pointOfContactController.prepareEdit()}"
>> > > > > >
>> > >  update="#{pf_pointOfContactController.getAjaxUpdate()}"/>
>> > > > > >     <p:menuitem value="View" icon="ui-icon-folder-open"
>> > > > > >
>> > > > > > actionListener="#{pf_pointOfContactController.prepareView()}"
>> > > > > >
>> > >  update="#{pf_pointOfContactController.getAjaxUpdate()}"/>
>> > > > > >     <p:separator/>
>> > > > > >     <p:menuitem value="Copy to Ordered By" icon="ui-icon
>> > > ui-icon-newwin"
>> > > > > >
>> > > > > >
>> actionListener="#{pf_pointOfContactController.copySelectedRows()}"
>> > > > > >
>> > >  update="#{pf_pointOfContactController.getAjaxUpdate()}"/>
>> > > > > >     <p:menuitem value="Delete" icon="ui-icon ui-icon-trash"
>> > > > > >
>> > > > > >
>> > > > >
>> > >
>> >
>> actionListener="#{pf_pointOfContactController.confirmDeleteSelectedRows()}"
>> > > > > >
>> > >  update="#{pf_pointOfContactController.getAjaxUpdate()}"/>
>> > > > > >
>> > > > > > but, for a readonly page that has commandbutton/links to render
>> a
>> > > new
>> > > > > view,
>> > > > > > based on the current @Entity that is held in the JSF
>> > controller/bean
>> > > > > class,
>> > > > > > i use immediate=true without issue and I think it fits/meets the
>> > > > > > occasion/requirement, because there is no need to do validation
>> > > phase or
>> > > > > > update model values. see below. :)
>> > > > > >
>> > > > > >     <p:commandButton value="Browse" icon="ui-icon-search"
>> > > > > immediate="true"
>> > > > > > update="#{pf_pointOfContactController.getAjaxUpdate()}"
>> > > > > >
>> > > > > >  actionListener="#{pf_pointOfContactController.prepareList()}"/>
>> > > > > >     <p:commandButton value="Delete" icon="ui-icon ui-icon-trash"
>> > > > > > immediate="true"
>> > > update="#{pf_pointOfContactController.getAjaxUpdate()}"
>> > > > > >
>> > > > > >
>>  actionListener="#{pf_pointOfContactController.confirmDelete()}"/>
>> > > > > >     <p:commandButton value="Edit" icon="ui-icon ui-icon-pencil"
>> > > > > > immediate="true"
>> > > update="#{pf_pointOfContactController.getAjaxUpdate()}"
>> > > > > >
>> > > > > >  actionListener="#{pf_pointOfContactController.prepareEdit()}"/>
>> > > > > >
>> > > > >
>> > > > >
>> > > > >
>> > > > > --
>> > > > >
>> -------------------------------------------------------------------
>> > > > > *SCJA. José Luis Cetina*
>> > > > >
>> -------------------------------------------------------------------
>> > > > >
>> > > > >
>> > > > >
>> > >
>> >
>>

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