[infinispan-issues] [JBoss JIRA] Commented: (ISPN-761) Cache.keySet(), entrySet(), values(), size() ignore contents of cache loader

[Manik Surtani (JIRA)]

    [ https://jira.jboss.org/browse/ISPN-761?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12561744#action_12561744 ] 

Manik Surtani commented on ISPN-761:
------------------------------------

This would be a tough one.  size, values, entryset and keyset are meant to be best-effort and loading from a cachestore will be expensive (potentially even leading to an OOM - especially with values() and entryset()).  As such I'd rather not implement this one.  What specific use case do you have in mind?

> Cache.keySet(),entrySet(),values(),size() ignore contents of cache loader
> -------------------------------------------------------------------------
>
>                 Key: ISPN-761
>                 URL: https://jira.jboss.org/browse/ISPN-761
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Loaders and Stores
>    Affects Versions: 4.2.0.BETA1
>            Reporter: Paul Ferraro
>            Assignee: Manik Surtani
>
> Passivated cache entries are not represented in values returned by the keySet(), entrySet(), values(), and size() Cache methods.  This results in inconsistent behavior, since it is possible that a given cache key may not be contained in keySet() even though Cache.get(...) would return a non-null value if the entry was previously passivated.
> I think CacheLoaderInterceptor needs to implement the following methods:
>    Object visitSizeCommand(InvocationContext ctx, SizeCommand command) throws Throwable
>    Object visitValuesCommand(InvocationContext ctx, ValuesCommand command) throws Throwable
>    Object visitEntrySetCommand(InvocationContext ctx, EntrySetCommand command) throws Throwable
>    Object visitKeySetCommand(InvocationContext ctx, KeySetCommand command) throws Throwable

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