Re: Shared editing context: rules of engagement
Re: Shared editing context: rules of engagement
- Subject: Re: Shared editing context: rules of engagement
- From: Fabian Peters <email@hidden>
- Date: Thu, 19 Apr 2007 09:57:48 +0200
Hi Lachlan,
Am 19.04.2007 um 08:42 schrieb Lachlan Deck:
Hi all,
just wanting to clarify the do's/don'ts...
I'm getting "Cannot obtain globalId for an object which is
registered in an other than the databaseContext's active
editingContext..."
Ok, so the object you're trying to establish a relation with does not
seem to be in the shared EC (SEC).
Okay, my understanding is that you ought _not_ have relationships
going from a shared entity to a non-shared entity.
Yes.
Fine, so when the application starts up I've got some code that
removes any such relations from the entities as they are registered
(but leaving intact the relations from the non-shared to the
shared). This allows me to specify an array property of
"SharedEntities" relevant to that application.
Mmhhh, are your sure this is working correctly? I've never done
anything like this and would think that it's rather tricky to get
such a setup to work?
Now according to the api, I can create a regular editing context,
fetch the object into it, change it and save and that'll be all
there is to it. Nice theory.
You mean you fetch some non-shared EO into a standard EC, set up a
relation with a shared EO and save? Yes.
I'm actually not needing to change that object but am setting the
relationship from a non-shared entity to the shared one. However
the exception I'm an exception that's preventing me from saving the
context.
// Okay so I'm creating a editing context for editing like so:
public MyEditingContext editingContext() {
if ( _wec == null ) {
_wec = new MyEditingContext( clientForRequest( context().request
() );
?
_wec.setSharedEditingContext( null );
Why are you setting the SEC to null here? If in this EC you're trying
to set up a relationship to a shared EC, this is going to fail. Or is
this the EC you're going to use to remove relationships to non-shared
EOs from EOs that are to be shared?
_wec.setStopsValidationAfterFirstError( false );
}
}
// and in the awakeFromInsertion(EOEditingContext) I'm doing the
following:
{
if has reverse relation
// Note: this is where it's useful Mike :-)
addObjectToBothSidesOfRelationshipWithKey( aClient, key );
else
takeValueForKey( aClient, key );
}
If it's not the setting to null of the SEC above, then I'd say your
"code that removes any such relations from the entities as they are
registered" seems suspicious. Could we get more details on that?
cheers
Fabian
Any ideas? What have I missed?
Thanks muchly...
with regards,
--
Lachlan Deck
[2007-04-19 15:57:53 EST] <WorkerThread14>
<com.webobjects.appserver._private.WOComponentRequestHandler>:
Exception occurred while handling request:
java.lang.RuntimeException: <WOLongResponsePage> Exception occurred
in long response thread:
com.webobjects.foundation.NSForwardException
[java.lang.IllegalStateException] Cannot obtain globalId for an
object which is registered in an other than the databaseContext's
active editingContext
<...>
[2007-04-19 15:57:53 EST] <WorkerThread14>
java.lang.RuntimeException: <WOLongResponsePage> Exception occurred
in long response thread:
com.webobjects.foundation.NSForwardException
[java.lang.IllegalStateException] Cannot obtain globalId for an
object which is registered in an other than the databaseContext's
active editingContext, object: {values = {webServicesPass = "**";
collegeDomains =
"<com.webobjects.eocontrol._EOCheapCopyMutableArray 3228a1
(<EOAccessArrayFaultHandler collegeDomains _EOIntegralKeyGlobalID
[College (java.lang.Long)3]>)>"; promotions =
"<com.webobjects.eocontrol._EOCheapCopyMutableArray 278e83
(<EOAccessArrayFaultHandler promotions _EOIntegralKeyGlobalID
[College (java.lang.Long)3]>)>"; created = 2006-06-23 07:45:05 Etc/
GMT; modified = 2006-06-23 07:45:05 Etc/GMT; name = "Some name";
sites = "<com.webobjects.eocontrol._EOCheapCopyMutableArray 1a5ec6c
(<EOAccessArrayFaultHandler sites _EOIntegralKeyGlobalID[College
(java.lang.Long)3]>)>"; courses =
"<com.webobjects.eocontrol._EOCheapCopyMutableArray 61cd2
(<EOAccessArrayFaultHandler courses _EOIntegralKeyGlobalID[College
(java.lang.Long)3]>)>"; isDeleted = false; nationalProviderCode =
<com.webobjects.foundation.NSKeyValueCoding$Null>; messageTemplates
= "<com.webobjects.eocontrol._EOCheapCopyMutableArray 5dfaf1
(<EOAccessArrayFaultHandler messageTemplates _EOIntegralKeyGlobalID
[College (java.lang.Long)3]>)>"; preferences =
"<com.webobjects.eocontrol._EOCheapCopyMutableArray fd66a5
(<EOAccessArrayFaultHandler preferences _EOIntegralKeyGlobalID
[College (java.lang.Long)3]>)>"; courseClasses =
"<com.webobjects.eocontrol._EOCheapCopyMutableArray 1ef7de4
(<EOAccessArrayFaultHandler courseClasses _EOIntegralKeyGlobalID
[College (java.lang.Long)3]>)>"; categories =
"<com.webobjects.eocontrol._EOCheapCopyMutableArray 10980e7
(<EOAccessArrayFaultHandler categories _EOIntegralKeyGlobalID
[College (java.lang.Long)3]>)>"; webServicesLogin = "iscd"; rooms =
"<com.webobjects.eocontrol._EOCheapCopyMutableArray 44d990
(<EOAccessArrayFaultHandler rooms _EOIntegralKeyGlobalID[College
(java.lang.Long)3]>)>"; courseSessions =
"<com.webobjects.eocontrol._EOCheapCopyMutableArray 14e4e31
(<EOAccessArrayFaultHandler courseSessions _EOIntegralKeyGlobalID
[College (java.lang.Long)3]>)>"; subcategories =
"<com.webobjects.eocontrol._EOCheapCopyMutableArray b85c17
(<EOAccessArrayFaultHandler subcategories _EOIntegralKeyGlobalID
[College (java.lang.Long)3]>)>"; tutors =
"<com.webobjects.eocontrol._EOCheapCopyMutableArray 1b5391b
(<EOAccessArrayFaultHandler tutors _EOIntegralKeyGlobalID[College
(java.lang.Long)3]>)>"; webServicesSecurityCode =
<com.webobjects.foundation.NSKeyValueCoding$Null>; }; this =
"<com.ish.willow.college.model.College 7e8c4d _EOIntegralKeyGlobalID
[College (java.lang.Long)3]>"; }, databaseContext:
com.webobjects.eoaccess.EODatabaseContext@c743eb, object's
editingContext:
com.webobjects.eocontrol.EOSharedEditingContext@ba5c7a,
databaseContext's active editingContext:
com.ish.willow.eocontrol.WillowEditingContext@1a78071: Failed to
save enrolments!
at
com.webobjects.woextensions.WOLongResponsePage.pageForException
(WOLongResponsePage.java:205)
at com.webobjects.woextensions.WOLongResponsePage.refresh
(WOLongResponsePage.java:244)
at
com.webobjects.woextensions.WOLongResponsePage.invokeAction
(WOLongResponsePage.java:224)
at com.webobjects.appserver.WOSession.invokeAction
(WOSession.java:1166)
at com.webobjects.appserver.WOApplication.invokeAction
(WOApplication.java:1375)
at
com.webobjects.appserver._private.WOComponentRequestHandler._dispatchW
ithPreparedPage(WOComponentRequestHandler.java:196)
at
com.webobjects.appserver._private.WOComponentRequestHandler._dispatchW
ithPreparedSession(WOComponentRequestHandler.java:287)
at
com.webobjects.appserver._private.WOComponentRequestHandler._dispatchW
ithPreparedApplication(WOComponentRequestHandler.java:322)
at
com.webobjects.appserver._private.WOComponentRequestHandler._handleReq
uest(WOComponentRequestHandler.java:358)
at
com.webobjects.appserver._private.WOComponentRequestHandler.handleRequ
est(WOComponentRequestHandler.java:432)
at com.webobjects.appserver.WOApplication.dispatchRequest
(WOApplication.java:1306)
at
com.ish.webobjects.appserver.ISHApplication.dispatchRequest
(ISHApplication.java:807)
at
com.ish.willow.college.appserver.Application.dispatchRequest
(Application.java:172)
at com.webobjects.appserver._private.WOWorkerThread.runOnce
(WOWorkerThread.java:173)
at com.webobjects.appserver._private.WOWorkerThread.run
(WOWorkerThread.java:254)
at java.lang.Thread.run(Thread.java:534)
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