[jira] [Commented] (IGNITE-15120) Condition isTombstone() is required

["Andrey N. Gura (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/IGNITE-15120?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17383416#comment-17383416 ] 

Andrey N. Gura commented on IGNITE-15120:
-----------------------------------------

Added new method {{Conditions.tombstone(ByteArray key)}}. Please, review.

> Condition isTombstone() is required
> -----------------------------------
>
>                 Key: IGNITE-15120
>                 URL: https://issues.apache.org/jira/browse/IGNITE-15120
>             Project: Ignite
>          Issue Type: Bug
>            Reporter: Alexander Lapin
>            Assignee: Andrey N. Gura
>            Priority: Major
>              Labels: iep-61, ignite-3
>             Fix For: 3.0.0-alpha3
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Currently
> {code:java}
> Conditions.notExists(key){code}
> will both return true if there were no such key or if it was removed. New condition that will allow to detect whether a key was removed or not created is required. It might look like
> {code:java}
> Conditions.isTombstone(key){code}
> or similar. 
>  
> Seems that it'll be also helpful if org.apache.ignite.internal.metastorage.client.Conditions#notExists
> javadoc' will be more specific about tombstone case.



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