[jboss-jira] [JBoss JIRA] (JBRULES-3557) Selectors should support cacheType SOLVER with DroolsScoreDirector too: reuse multi-threading id technology to migrate the selector cache to the new solution clone

[Geoffrey De Smet (JIRA)]

    [ https://issues.jboss.org/browse/JBRULES-3557?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12703112#comment-12703112 ] 

Geoffrey De Smet commented on JBRULES-3557:
-------------------------------------------

Currently dealt with as such in EntitySelectorConfig:

{code}
        if (resolvedCacheType == SelectionCacheType.SOLVER) {
            // TODO Solver cached entities are not compatible with DroolsScoreCalculator
            // because between phases the entities get cloned and the WorkingMemory contains those clones afterwards
            // https://issues.jboss.org/browse/JBRULES-3557
            throw new IllegalArgumentException("The cacheType (" + resolvedCacheType
                    + ") is not yet supported. Please use PHASE instead.");
        }
{code}
                
> Selectors should support cacheType SOLVER with DroolsScoreDirector too: reuse multi-threading id technology to migrate the selector cache to the new solution clone
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: JBRULES-3557
>                 URL: https://issues.jboss.org/browse/JBRULES-3557
>             Project: Drools
>          Issue Type: Enhancement
>      Security Level: Public(Everyone can see) 
>          Components: drools-planner
>            Reporter: Geoffrey De Smet
>            Assignee: Geoffrey De Smet
>            Priority: Optional
>
> Selector cacheType solver doesn't work because between phases, the bestSolution is set as the workingSolution and entities get cloned. Therefor the cached moves are pointing to the old entities which haven't been inserted into the new Drools Expert working memory.

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