I am integrating a Flex frontend with a J2EE backend using Cairngorm
Framework and RemoteObjects. I am able to successfully retrieve
information from my java services, but when they are sent back after
changes are made to the Java Service doesn't always recognise them
as the correct type of Object, therefore causing a cast exception.
After turning on debugging and logging in both the flex client and
Java Server I have found the following things.
1) The flex server interprets the objects correctly when passing
back the results. All the Typed objects are as expected see log
below as an example:
[0] = (Typed Object
#1 'au.com.myplan.domain.financial.FinancialDefaultCategory')
financialCategoryType = (Typed Object
#5 'au.com.myplan.domain.financial.FinancialCategoryType')
defaultAccountingTypeId = null
selected = true
_remoteClass
= "au.com.myplan.domain.financial.FinancialCategoryType"
description = ""
isNested = true
new = true
name = "Budget Income"
id = 1.0
accountingTypeId = null
_remoteClass
= "au.com.myplan.domain.financial.FinancialDefaultCategory"
new = true
name = "Dividends"
subDefaultCategories = (Array #6)
id = 43.0
2) When the object is viewed in the flex debugger only the
associated object financialCategoryType has _remoteClass set and the
parent object (FinancialDefaultCategory).
3) After changes are made and sent back to the Java Service the log
only shows that it only understands the associated object and not
the parent.
[0] = (Object #6)
id = 43.0
subDefaultCategories = (Array #7)
name = "Dividends Changed"
new = false
accountingTypeId = null
financialCategoryType = (Typed Object
#8 'au.com.myplan.domain.financial.FinancialCategoryType')
defaultAccountingTypeId = null
selected = false
_remoteClass
= "au.com.myplan.domain.financial.FinancialCategoryType"
description = ""
isNested = false
new = false
name = "Budget Income"
id = 1.0
parentFinancialDefaultCategory = null
selected = true
4) When the Java Service receives the object it is of type ASObject.
I have read and followed any examples I can find on the net, but I
haven't found a way of forcing the Flex client to associate the
objects recieved as the correct Action Script Class. The java log
messages give the impression that it is configured correctly but
when the object is in the flex client the _remoteClass is not set
for the parent object. I have made sure that the ActionScript
Classes have been register correctly (public static var regClass =
Object.registerClass
("au.com.myplan.domain.financial.FinancialDefaultCategory",au.com.myp
lan.domain.financial.FinancialDefaultCategory);).
Any help resolving this problem would be appreciated.
Regards,
Allister
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