[rules-users] Dealing with Complex objects in Drools

[JimmyM]

There was an error in the sample code i posted earlier.
objList should have been objList2

$o2 : Object2(objList2.field1 != null) from $o1.object2

this also returns the error "unable to resolve property: field1"


Mark Proctor wrote:
> 
>        
>     make sure the 'from' expression returns a collection, then this will
> do
>     what you want.
> 
also when i use this instead (java.util.Arraylist has been imported):

$o2 : ArrayList(objList2.field1 != null) from $o1.object2

the error is:

unable to resolve property: unable to resolve token: objList2.field1

I've inserted only the base object (object1) into working memory.
For some reason i cant access attributes deeper than object 2.

What am i doing wrong? 



For some reason my previous post did not link to the thread, so this is a
repost.
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