[jboss-jira] [JBoss JIRA] (JBRULES-3481) hashCode() for declared types without @key fields always yields 1

[Mario Fusco (JIRA)]

     [ https://issues.jboss.org/browse/JBRULES-3481?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mario Fusco resolved JBRULES-3481.
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    Fix Version/s: 5.4.0.Final
       Resolution: Done


Avoid to override equals and hashCode in a declared type with no keys
                
> hashCode() for declared types without @key fields always yields 1
> -----------------------------------------------------------------
>
>                 Key: JBRULES-3481
>                 URL: https://issues.jboss.org/browse/JBRULES-3481
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-core
>    Affects Versions: 5.3.1.Final
>            Reporter: Adar Dembo
>            Assignee: Mario Fusco
>             Fix For: 5.4.0.Final
>
>
> After calling StatefulKnowledgeSession.getObjects() to retrieve all the objects in my session state, I call each's hashCode() method. All the hashCode() values for declared types without at least one @key return the value 1. This makes them impossible to use in hash-based collections.
> On IRC, etirelli said this is a regression.

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