[jboss-jira] [JBoss JIRA] (DROOLS-519) Accumulate CollectList does not preserve the insertion order

[Davide Sottara (JIRA)]

Davide Sottara created DROOLS-519:
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             Summary: Accumulate CollectList does not preserve the insertion order
                 Key: DROOLS-519
                 URL: https://issues.jboss.org/browse/DROOLS-519
             Project: Drools
          Issue Type: Bug
      Security Level: Public (Everyone can see)
    Affects Versions: 6.1.0.Beta4
            Reporter: Davide Sottara
            Assignee: Mark Proctor
            Priority: Critical


In 5.x, acc / collectList preserves the order of insertion.
That is, if A1, A2 and A3 are inserted, a collectList will return 1,2,3
In 6.x, the order is reversed. That is, in the same scenario, a list
with 3,2,1 is generated.
While arguably a minor issue, collectList returns a list, that is an ordered
collection. The reversal of the order breaks the compatibility of preexising
applications (such as drools-mas)



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