[jboss-jira] [JBoss JIRA] (DROOLS-1474) Activation.getObjectsDeep() should include exists too

[Geoffrey De Smet (JIRA)]

Geoffrey De Smet created DROOLS-1474:
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             Summary: Activation.getObjectsDeep() should include exists too
                 Key: DROOLS-1474
                 URL: https://issues.jboss.org/browse/DROOLS-1474
             Project: Drools
          Issue Type: Enhancement
          Components: core engine
    Affects Versions: 7.0.0.Beta6
            Reporter: Geoffrey De Smet
            Assignee: Mario Fusco


_Give them a finger and they'll want a hand.
Give them a hand and they'll want an arm._
(dutch proverb)

The Activation.getObjectDeeps() method introduced for DROOLS-1470 that also includes the accumulates elements, should also include the exists elements. For example:

{code}
  when
    $c : Computer(id = "c1")
    exists Process(computer == $c)
  then ...
{code}

with this data

{code}
  Computer c1;
  Computer c2;
  Computer c3;
  Process pA = new Process(c1);
  Process pB = new Process(c2);
  Process pC = new Process(c1);
  Process pD = new Process(c3);
{code}

gives this result

{code}
  activation.getObjectsDeep() // includes c1, pA and pC.
{code}


The goal is to identify all objects that matched when this rule got fired. In a negative score rule, all those objects are to blame and by focusing to change any of those, it's more likely to improve the overall solution.




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