Re: D2W creating a new object?
Re: D2W creating a new object?
- Subject: Re: D2W creating a new object?
- From: David Holt <email@hidden>
- Date: Fri, 06 Apr 2012 07:55:20 -0700
Sent from my iPad
On 2012-04-06, at 7:48 AM, David LeBer <email@hidden> wrote:
> Um, it looks like David got a little confused.
Copied code in an email. Recipe for disaster.
>
> You won't (and shouldn't) have access to the session in your EO. That is why you need to use ERXThreadStorage.
Yes!
>
> in Session awake and the setter for user, push it into ERXThreadStorage. i.e:
>
> ERXThreadStorage.takeValueForKey(user(), "currentUser");
>
> In EO init:
>
> User user = ERXThreadStorage.valueForKey("currentUser");
> if (user != null) {
> User localUser = user.localInstanceIn(ec);
> // etc
> }
>
> --
> David LeBer
> Codeferous Software
>
> On 2012-04-06, at 10:22 AM, Theodore Petrosky wrote:
>
>> I tried that and I get an error that it doesn't know what session() is.
>>
>> The method session() is undefined for the type Brief
>>
>> I am thinking, my EOs are in a framework.
>>
>> How can I refer to the session if the EO doesn't know anything about the session?
>>
>> Ted
>>
>>
>>
>> --- On Fri, 4/6/12, David Holt <email@hidden> wrote:
>>
>>> From: David Holt <email@hidden>
>>> Subject: Re: D2W creating a new object?
>>> To: "Theodore Petrosky" <email@hidden>
>>> Cc: "email@hidden" <email@hidden>
>>> Date: Friday, April 6, 2012, 9:41 AM
>>> Check the code for adding a person to
>>> a Brief further down in my previous email. If you do it in
>>> the EO class, you shouldn't have the problem.
>>>
>>> Sent from my iPad
>>>
>>> On 2012-04-06, at 4:31 AM, Theodore Petrosky <email@hidden>
>>> wrote:
>>>
>>>> David,
>>>>
>>>> I tried this method and still the same issue.
>>>>
>>>> There is a relationship with a person (user). Without a
>>> user added, I get the normal error that I need a user:
>>>>
>>>> Could not save your changes: A Brief must have a
>>> Person.
>>>>
>>>> I added:
>>>>
>>>> Person thePerson = session().user().localInstanceIn(
>>> ((D2WPage) nextPage).object().editingContext());
>>>> ((D2WComponent) nextPage).object().takeValueForKey(
>>> thePerson, "person");
>>>>
>>>> Thats when I get the infamous:
>>>>
>>>> Error:
>>> java.lang.IllegalStateException: Adaptor
>>> com.webobjects.jdbcadaptor.JDBCAdaptor@3cb088f8 failed to
>>> provide new primary keys for entity 'Brief'
>>>> Reason: Adaptor
>>> com.webobjects.jdbcadaptor.JDBCAdaptor@3cb088f8 failed to
>>> provide new primary keys for entity 'Brief'
>>>>
>>>> If it didn't like the person entity or the
>>> editingContext, I assume I would get an error complaining
>>> about that.
>>>>
>>>> This is D2W land and with all the magic going on, I
>>> think I am out of Fairy dust.
>>>>
>>>> Ted
>>>>
>>>>
>>>>
>>>>
>>>> --- On Thu, 4/5/12, David Holt <email@hidden>
>>> wrote:
>>>>
>>>> | I use this method:
>>>> |
>>>> | | public WOComponent createPersonAction() {
>>>> | | return
>>> newObjectForEntityName(PERSON);
>>>> | | }
>>>> |
>>>> | | public WOComponent
>>> newObjectForEntityName(String entityName) {
>>>> | | WOComponent nextPage = null;
>>>> | | try {
>>>> | | EditPageInterface epi =
>>> D2W.factory().editPageForNewObjectWithEntityNamed(entityName,
>>> session());
>>>> | |
>>> epi.setNextPage(session().context().page());
>>>> | | nextPage = (WOComponent) epi;
>>>> | | }
>>>> | | catch (IllegalArgumentException e) {
>>>> | | ErrorPageInterface epf =
>>> D2W.factory().errorPage(session());
>>>> | | epf.setMessage(e.toString());
>>>> | |
>>> epf.setNextPage(session().context().page());
>>>> | | nextPage = (WOComponent) epf;
>>>> | | }
>>>> | | return nextPage;
>>>> | | }
>>>> |
>>>> |
>>>> | On 2012-04-05, at 10:53 AM, Theodore Petrosky wrote:
>>>> |
>>>> | I am creating a new 'Brief' object in my D2W app like
>>> this:
>>>> |
>>>> | public EditPageInterface createBriefAction() {
>>>> |
>>>> | EditPageInterface component =
>>> D2W.factory().editPageForNewObjectWithConfigurationNamed("CreateBrief",
>>> session());
>>>> |
>>> component.setNextPage(session().context().page());
>>>> |
>>>> | if(component instanceof
>>> D2WPage) {
>>>> | D2WPage page =
>>> (D2WPage)component;
>>>> |
>>> page.d2wContext().takeValueForKey("Brief.CreateBrief",
>>> "navigationState");
>>>> |
>>>> | This could be a rule:
>>>> | 50 : pageConfiguration = 'CreateBrief' =>
>>> navigationState = "Brief.CreateBrief"
>>> [com.webobjects.directtoweb.Assignment]
>>>> |
>>>> |
>>> NSLog.out.appendln( ((D2WPage)
>>> component).object().allPropertyKeys());
>>>> |
>>>> | Person
>>> thePerson = session().user().localInstanceIn(((D2WPage)
>>> component).object().editingContext());
>>>> |
>>>> | ((D2WComponent)
>>> component).object().takeValueForKey( thePerson, "person");
>>>> | ((D2WComponent)
>>> component).object().takeValueForKey( (new NSTimestamp()),
>>> "creationDate");// (new NSTimestamp());
>>>> |
>>>> | This code should be in your Brief eo init() method.
>>> Something like:
>>>> |
>>>> | | public void init(EOEditingContext ec) {
>>>> | | super.init(ec);
>>>> | | Person thePerson =
>>> session().user().localInstanceIn(ec);
>>>> | | setPersonRelationship(thePerson);
>>>> | | setCreationDate(new NSTimestamp());
>>>> | | }
>>>> |
>>>> |
>>>> | | }
>>>> | | return component;
>>>> | }
>>>> |
>>>> | When I click the save button I am getting:
>>>> |
>>>> |
>>>> | IllegalStateException: Adaptor
>>> com.webobjects.jdbcadaptor.JDBCAdaptor@43c8308 failed to
>>> provide new primary keys for entity 'Brief'
>>>> |
>>>> |
>>>> | Am I supposed to do something more here?
>>>> |
>>>> | Ted public WOComponent createPersonAction() {
>>>> | | return
>>> newObjectForEntityName(PERSON);
>>>> | | }
>>>> |
>>>> | | public WOComponent
>>> newObjectForEntityName(String entityName) {
>>>> | | WOComponent nextPage = null;
>>>> | | try {
>>>> | | EditPageInterface epi =
>>> D2W.factory().editPageForNewObjectWithEntityNamed(entityName,
>>> session());
>>>> | |
>>> epi.setNextPage(session().context().page());
>>>> | | nextPage = (WOComponent) epi;
>>>> | | }
>>>> | | catch (IllegalArgumentException e) {
>>>> | | ErrorPageInterface epf =
>>> D2W.factory().errorPage(session());
>>>> | | epf.setMessage(e.toString());
>>>> | |
>>> epf.setNextPage(session().context().page());
>>>> | | nextPage = (WOComponent) epf;
>>>> | | }
>>>> | | return nextPage;
>>>> | | }
>>>> |
>>>> |
>>>> | On 2012-04-05, at 10:53 AM, Theodore Petrosky wrote:
>>>> |
>>>> | I am creating a new 'Brief' object in my D2W app like
>>> this:
>>>> |
>>>> | public EditPageInterface createBriefAction() {
>>>> |
>>>> | EditPageInterface component =
>>> D2W.factory().editPageForNewObjectWithConfigurationNamed("CreateBrief",
>>> session());
>>>> |
>>> component.setNextPage(session().context().page());
>>>> |
>>>> | if(component instanceof
>>> D2WPage) {
>>>> | D2WPage page =
>>> (D2WPage)component;
>>>> |
>>> page.d2wContext().takeValueForKey("Brief.CreateBrief",
>>> "navigationState");
>>>> |
>>>> | This could be a rule:
>>>> | 50 : pageConfiguration = 'CreateBrief' =>
>>> navigationState = "Brief.CreateBrief"
>>> [com.webobjects.directtoweb.Assignment]
>>>> |
>>>> |
>>> NSLog.out.appendln( ((D2WPage)
>>> component).object().allPropertyKeys());
>>>> |
>>>> | Person
>>> thePerson = session().user().localInstanceIn(((D2WPage)
>>> component).object().editingContext());
>>>> |
>>>> | ((D2WComponent)
>>> component).object().takeValueForKey( thePerson, "person");
>>>> | ((D2WComponent)
>>> component).object().takeValueForKey( (new NSTimestamp()),
>>> "creationDate");// (new NSTimestamp());
>>>> |
>>>> | This code should be in your Brief eo init() method.
>>> Something like:
>>>> |
>>>> | | public void init(EOEditingContext ec) {
>>>> | | super.init(ec);
>>>> | | Person thePerson =
>>> session().user().localInstanceIn(ec);
>>>> | | setPersonRelationship(thePerson);
>>>> | | setCreationDate(new NSTimestamp());
>>>> | | }
>>>> |
>>>> |
>>>> | | }
>>>> | | return component;
>>>> | }
>>>> |
>>>> | When I click the save button I am getting:
>>>> |
>>>> |
>>>> | IllegalStateException: Adaptor
>>> com.webobjects.jdbcadaptor.JDBCAdaptor@43c8308 failed to
>>> provide new primary keys for entity 'Brief'
>>>> |
>>>> |
>>>> | Am I supposed to do something more here?
>>>> |
>>>> | Ted
>>>>
>>>
>>
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