[infinispan-issues] [JBoss JIRA] (ISPN-7108) Use wildcard in methods returning keys

[Radim Vansa (JIRA)]

Radim Vansa created ISPN-7108:
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             Summary: Use wildcard in methods returning keys
                 Key: ISPN-7108
                 URL: https://issues.jboss.org/browse/ISPN-7108
             Project: Infinispan
          Issue Type: Enhancement
          Components: Core
            Reporter: Radim Vansa
            Assignee: Radim Vansa


When a command uses generics (that's the case of functional commands), it stores keys in {{Collection<? extends K>}}. That does not work well with {{getAffectedKeys()}} returning {{Set<Object>}} - besides Collection/Set the generic type also cannot match (because returning {{Set<Object>}} means that you can theoretically insert any {{Object}}). Changing that to wildcard deals with this and makes the collection effectively read-only.



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