yes, now it works !!
Thank you very much!
Amedeo
new code below
public void setIsPrimoPiano(Boolean value) {
if (value) {
//EOUtilities.rawRowsForSQL(new EOEditingContext(),
"WebConfindustria", "UPDATE CFArticle SET
isPrimoPiano='false';",null); //THIS IS MY OLD WORKAROUND
EOEditingContext ec = ERXEC.newEditingContext(); // <--- Kieran
Patch !
ec.setSharedEditingContext(null);
NSArray<CFArticle> array =
(NSArray<CFArticle>)EOUtilities.objectsMatchingKeyAndValue(ec,
"CFArticle", "isPrimoPiano", true);
if (array!=null) {
for (int i=0 ; i < array.count() ; i++) {
array.objectAtIndex(i).setIsPrimoPiano(false);
}
}
ec.saveChanges();
}
super.setIsPrimoPiano(value);
}
On 27/feb/09, at 23:05, Kieran Kelleher wrote:
hey, did you see my email?
Try using ERXEC.newEditingContext() instead of new
EoEditingContext()....
Let us know if that fixes it.
Kieran
On Feb 27, 2009, at 3:48 PM, Amedeo Mantica wrote:
yes, i have a shared eo...
in my Application i have:
public void fetchArticles() {
EOSharedEditingContext sharedContext =
EOSharedEditingContext.defaultSharedEditingContext();
EOFetchSpecification fetchSpec;
fetchSpec = new EOFetchSpecification("CFArticle",null,null);
articlesArray =
sharedContext.objectsWithFetchSpecification(fetchSpec);
}
then I have put
EOEditingContext ec = new EOEditingContext();
ec.setSharedEditingContext(null);
in my method.
The goal is this...
CFArticle is an entity of articles, I fetch all articles at the
application launch in the SharedEC, i do occasionally, or invoked
by some action, updates to my fetch
the key primoPiano ( in english may be translated in highLight ) is
a boolean value that I can set
Only ONE article can have primopiano=true
the primoPiano article is put in my website homepage
so the method setIsPrimoPiano in the CFArticle entity should check
and reset eventually all primopiano flags to false and there is
where i have the trouble.
just for see, the webste is: http://www.confindustria.chieti.it
Best Regards
Thank You
Amedeo
On 27/feb/09, at 19:22, Chuck Hill wrote:
Mike made me look at your code again. That is a terrible thing to
do in a set method. I don't know what you are doing or the
context you are doing it in, but this seems slightly less awful:
public void setIsPrimoPiano(Boolean value) {
if (value) {
NSArray<CFArticle> array =
(NSArray
<
CFArticle
>)EOUtilities.objectsMatchingKeyAndValue(editingContext(),
"CFArticle", "isPrimoPiano", true);
if (array!=null) {
for (int i=0 ; i < array.count() ; i++) {
array.objectAtIndex(i).setIsPrimoPiano(false);
}
}
}
super.setIsPrimoPiano(value);
}
Note that if CFArticle _is_ in the shared editing context that you
have a larger problem.
Chuck
On Feb 27, 2009, at 9:59 AM, Chuck Hill wrote:
It is almost certainly something that you did in your code.
ERXGenericRecord$InverseRelationshipUpdater seems to be involved,
so maybe ask about that on the Wonder list.
Chuck
On Feb 27, 2009, at 2:11 AM, Amedeo Mantica wrote:
any news?
Thanks
Amedeo
On 24/feb/09, at 18:40, Amedeo Mantica wrote:
but that code was working some day ago... is really strange
at the moment I have "solved" using raw sql
EOUtilities.rawRowsForSQL(new EOEditingContext(),
"WebConfindustria", "UPDATE CFArticle SET
isPrimoPiano='false';",null);
but this is not a solutions, is just a trick...
Amedeo
On 24/feb/09, at 18:25, Amedeo Mantica wrote:
absolutely not
Amedeo
On 24/feb/09, at 18:11, Chuck Hill wrote:
Have you overridden awakeFromFetch and not called
super.awakeFromFetch?
Chuck
On Feb 24, 2009, at 8:22 AM, Amedeo Mantica wrote:
This is new to me....
public void setIsPrimoPiano(Boolean value) {
if (value) {
EOEditingContext ec = new EOEditingContext();
ec.setSharedEditingContext(null); // I set null to
shared EO because i fetch all in application
LINE 42 ---> NSArray<CFArticle> array =
(NSArray
<CFArticle>)EOUtilities.objectsMatchingKeyAndValue(ec,
"CFArticle", "isPrimoPiano", true);
if (array!=null) {
for (int i=0 ; i < array.count() ; i++) {
array.objectAtIndex(i).setIsPrimoPiano(false);
}
}
ec.saveChanges();
}
super.setIsPrimoPiano(value);
}
Attempt to access an EO that has either not been inserted
into any EOEditingContext or its EOEditingContext has
already been disposed
com
.webobjects
.eocontrol.EOCustomObject.willRead(EOCustomObject.java:1158)
com.webobjects.eocontrol._EOMutableKnownKeyDictionary
$Initializer
$
_GenericRecordBinding
.valueInObject(_EOMutableKnownKeyDictionary.java:570)
com.webobjects.eocontrol._EOMutableKnownKeyDictionary
$Initializer
$
_LazyGenericRecordBinding
.valueInObject(_EOMutableKnownKeyDictionary.java:613)
com
.webobjects
.eocontrol
.EOCustomObject.storedValueForKey(EOCustomObject.java:1634)
it.chieti.confindustria._CFArea.articles(_CFArea.java:103)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun
.reflect
.NativeMethodAccessorImpl
.invoke(NativeMethodAccessorImpl.java:39)
sun
.reflect
.DelegatingMethodAccessorImpl
.invoke(DelegatingMethodAccessorImpl.java:25)
java.lang.reflect.Method.invoke(Method.java:585)
com.webobjects.foundation.NSKeyValueCoding$ValueAccessor
$1.methodValue(NSKeyValueCoding.java:636)
com.webobjects.foundation.NSKeyValueCoding
$_MethodBinding.valueInObject(NSKeyValueCoding.java:1134)
com
.webobjects
.eocontrol.EOCustomObject.valueForKey(EOCustomObject.java:
1498) er.extensions.eof.ERXGenericRecord
$
InverseRelationshipUpdater
.takeStoredValueForKey(ERXGenericRecord.java:1431)
er
.extensions
.eof
.ERXGenericRecord
.takeStoredValueForKey(ERXGenericRecord.java:1217)
com.webobjects.eocontrol.EOKeyValueCoding
$
_StoredForwardingBinding
.setValueInObject(EOKeyValueCoding.java:240)
com
.webobjects
.eoaccess
.EODatabaseContext
.initializeObjectRowEntityEditingContext
(EODatabaseContext.java:2246)
com
.webobjects
.eoaccess
.EODatabaseContext.initializeObject(EODatabaseContext.java:
3581)
com
.webobjects
.eocontrol
.EOObjectStoreCoordinator
.initializeObject(EOObjectStoreCoordinator.java:597)
com
.webobjects
.eocontrol
.EOEditingContext.initializeObject(EOEditingContext.java:
3768) com.webobjects.eoaccess.EODatabaseChannel
$
_EODatabaseChannelFetchResult
.initializeObjects(EODatabaseChannel.java:496)
com
.webobjects
.eoaccess
.EODatabaseContext
._objectsWithFetchSpecificationEditingContext
(EODatabaseContext.java:3090)
com
.webobjects
.eoaccess
.EODatabaseContext
.objectsWithFetchSpecification(EODatabaseContext.java:3195)
com
.webobjects
.eocontrol
.EOObjectStoreCoordinator
.objectsWithFetchSpecification(EOObjectStoreCoordinator.java:
488)
com
.webobjects
.eocontrol
.EOEditingContext
.objectsWithFetchSpecification(EOEditingContext.java:4069)
com
.webobjects
.eocontrol
.EOEditingContext
.objectsWithFetchSpecification(EOEditingContext.java:4444)
com
.webobjects
.eoaccess.EOUtilities.objectsMatchingValues(EOUtilities.java:
216)
com
.webobjects
.eoaccess
.EOUtilities.objectsMatchingKeyAndValue(EOUtilities.java:
190)
it
.chieti
.confindustria.CFArticle.setIsPrimoPiano(CFArticle.java:42)
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Practical WebObjects - for developers who want to increase their
overall knowledge of WebObjects or who are trying to solve
specific problems.
http://www.global-village.net/products/practical_webobjects
--
Chuck Hill Senior Consultant / VP Development
Practical WebObjects - for developers who want to increase their
overall knowledge of WebObjects or who are trying to solve
specific problems.
http://www.global-village.net/products/practical_webobjects
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