There is a to-one from WebPage to StockItem and no other direct relationship to StockItem.
On 5 Sep 2012, at 18:20, Chuck Hill wrote: > Is there a to-one from WebPage to StockItem? Or is it a to-many? > > Chuck > > > On 2012-09-05, at 10:01 AM, John Pollard wrote: > >> Hi Chuck, >> The count is actually of the WebPage.childWebPages() array not on stockItems >> at all which is why I was puzzled that a StockItem.turnIntoFault() was being >> triggered. >> I confirmed that they are all in the same EC by logging the hashCode() of >> the EC (I assume that is valid) >> Thanks for your reply >> John >> >> On 5 Sep 2012, at 17:48, Chuck Hill wrote: >> >>> Hi John, >>> >>> Are StockItems "carefully pre-loaded" into the same EC as WebPages? If >>> not, you are likely running into the EC's fetch timestamp lag. It looks >>> like you are doing a count of StockItem at at >>> mp.eo.WebPage.getDescendantWebPages(WebPage.java:1410) and this is causing >>> the to-many to be faulted. >>> >>> >>> Chuck >>> >>> >>> >>> On 2012-09-05, at 9:21 AM, John Pollard wrote: >>> >>>> Hi WO list, >>>> >>>> The firing of a fault on EOs of one type is causing EOs of another type be >>>> turned into faults... is that expected? >>>> >>>> I have a WebPage eo with a to-many relationship called childWebPages >>>> (returns an array of WebPage objects) >>>> >>>> When I access this array recursively in getDescendantWebPages()...see >>>> stack trace below, a totally different class of object is turned into a >>>> fault StockItem, see top line of stack trace. >>>> >>>> I don't want EOF to turn my carefully pre-loaded StockItems back into >>>> faults! >>>> >>>> The two EOs are related via a join table. >>>> >>>> This is causing performance headaches. >>>> >>>> at mp.eo.StockItem.turnIntoFault(StockItem.java:1714) >>>> at >>>> com.webobjects.eocontrol.EOFaultHandler.makeObjectIntoFault(EOFaultHandler.java:161) >>>> at >>>> com.webobjects.eoaccess.EODatabaseContext._turnToFaultGidEditingContextIsComplete(EODatabaseContext.java:3363) >>>> at >>>> com.webobjects.eoaccess.EODatabaseContext.faultForGlobalID(EODatabaseContext.java:3397) >>>> at >>>> com.webobjects.eocontrol.EOObjectStoreCoordinator.faultForGlobalID(EOObjectStoreCoordinator.java:537) >>>> at >>>> com.webobjects.eocontrol.EOEditingContext.faultForGlobalID(EOEditingContext.java:3608) >>>> at >>>> com.webobjects.eoaccess.EODatabaseContext._objectFaultWithSnapshotRelationshipEditingContext(EODatabaseContext.java:2361) >>>> at >>>> com.webobjects.eoaccess.EODatabaseContext._fireDeferredFaultWithSourceObject(EODatabaseContext.java:2401) >>>> at >>>> com.webobjects.eoaccess.EOAccessDeferredFaultHandler.createFaultForDeferredFault(EOAccessDeferredFaultHandler.java:49) >>>> at >>>> com.webobjects.eocontrol.EOCustomObject.willReadRelationship(EOCustomObject.java:1279) >>>> at >>>> com.webobjects.eocontrol._EOMutableKnownKeyDictionary$Initializer$_LazyGenericRecordBinding.valueInObject(_EOMutableKnownKeyDictionary.java:614) >>>> at >>>> com.webobjects.eocontrol.EOCustomObject.storedValueForKey(EOCustomObject.java:1634) >>>> at >>>> com.webobjects.eoaccess.EODatabaseContext.databaseOperationForObject(EODatabaseContext.java:4810) >>>> at >>>> com.webobjects.eoaccess.EODatabaseContext.valuesForKeys(EODatabaseContext.java:6531) >>>> at >>>> com.webobjects.eocontrol.EOObjectStoreCoordinator.valuesForKeys(EOObjectStoreCoordinator.java:321) >>>> at >>>> com.webobjects.eoaccess.EOQualifierSQLGeneration$_KeyValueQualifierSupport.schemaBasedQualifierWithRootEntity(EOQualifierSQLGeneration.java:439) >>>> at >>>> com.webobjects.eoaccess.EOQualifierSQLGeneration$Support._schemaBasedQualifierWithRootEntity(EOQualifierSQLGeneration.java:179) >>>> at >>>> com.webobjects.eoaccess.EODatabaseChannel.selectObjectsWithFetchSpecification(EODatabaseChannel.java:227) >>>> at >>>> com.webobjects.eoaccess.EODatabaseContext._objectsWithFetchSpecificationEditingContext(EODatabaseContext.java:3055) >>>> at >>>> com.webobjects.eoaccess.EODatabaseContext.objectsWithFetchSpecification(EODatabaseContext.java:3195) >>>> at >>>> com.webobjects.eocontrol.EOObjectStoreCoordinator.objectsWithFetchSpecification(EOObjectStoreCoordinator.java:483) >>>> at >>>> com.webobjects.eocontrol.EOEditingContext.objectsWithFetchSpecification(EOEditingContext.java:4053) >>>> at >>>> com.webobjects.eoaccess.EODatabaseContext.objectsForSourceGlobalID(EODatabaseContext.java:4084) >>>> at >>>> com.webobjects.eocontrol.EOObjectStoreCoordinator.objectsForSourceGlobalID(EOObjectStoreCoordinator.java:629) >>>> at >>>> com.webobjects.eocontrol.EOEditingContext.objectsForSourceGlobalID(EOEditingContext.java:3907) >>>> at >>>> com.webobjects.eoaccess.EODatabaseContext._fireArrayFault(EODatabaseContext.java:4245) >>>> at >>>> com.webobjects.eoaccess.EOAccessArrayFaultHandler.completeInitializationOfObject(EOAccessArrayFaultHandler.java:77) >>>> at >>>> com.webobjects.eocontrol._EOCheapCopyMutableArray.willRead(_EOCheapCopyMutableArray.java:45) >>>> at >>>> com.webobjects.eocontrol._EOCheapCopyMutableArray.count(_EOCheapCopyMutableArray.java:103) >>>> at mp.eo.WebPage.getDescendantWebPages(WebPage.java:1410) >>>> at mp.eo.WebPage.getDescendantWebPages(WebPage.java:1393) >>>> at mp.eo.WebPage.getDescendantWebPages(WebPage.java:1414) >>>> at mp.eo.WebPage.getDescendantWebPages(WebPage.java:1393) >>>> at mp.eo.WebPage.getDescendantWebPages(WebPage.java:1414) >>>> at mp.eo.WebPage.getDescendantWebPages(WebPage.java:1393) >>>> at mp.eo.WebPage.getDescendantWebPages(WebPage.java:1414) >>>> at mp.eo.WebSite.getAllWebPages(WebSite.java:842) >>>> at mpMall.DirectAction.getWebPageById(DirectAction.java:1982) >>>> at mpMall.DirectAction.viewPageAction(DirectAction.java:537) >>>> >>>> Many thanks, >>>> John >>>> _______________________________________________ >>>> Do not post admin requests to the list. They will be ignored. >>>> Webobjects-dev mailing list ([email protected]) >>>> Help/Unsubscribe/Update your Subscription: >>>> https://lists.apple.com/mailman/options/webobjects-dev/chill%40global-village.net >>>> >>>> This email sent to [email protected] >>> >>> -- >>> 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/gvc/practical_webobjects >>> >>> >>> >>> >>> >>> >>> >>> >> >> >> _______________________________________________ >> Do not post admin requests to the list. They will be ignored. >> Webobjects-dev mailing list ([email protected]) >> Help/Unsubscribe/Update your Subscription: >> https://lists.apple.com/mailman/options/webobjects-dev/chill%40global-village.net >> >> This email sent to [email protected] > > -- > 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/gvc/practical_webobjects > > > > > > > > _______________________________________________ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list ([email protected]) Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [email protected]
