[jira] Commented: (DIRSERVER-1294) Add size() and hasNext() methods to cursors

["Felix Knecht (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DIRSERVER-1294?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12926587#action_12926587 ] 

Felix Knecht commented on DIRSERVER-1294:
-----------------------------------------

How to handle lazy pre-fetching cursors? size() will not work using lazy pre-fetching -> UnsupportedOperationsException?


> Add size() and hasNext() methods to cursors
> -------------------------------------------
>
>                 Key: DIRSERVER-1294
>                 URL: https://issues.apache.org/jira/browse/DIRSERVER-1294
>             Project: Directory ApacheDS
>          Issue Type: Improvement
>    Affects Versions: 1.5.4
>            Reporter: Emmanuel Lecharny
>            Assignee: Felix Knecht
>            Priority: Minor
>             Fix For: 2.0.0-RC1
>
>
> The cursor implementation currently does not have the size() and hasNext() methods. They would be very helpful in ma,ny places.
> For instance, the paged search control requires that the response control contains the expected size. The hasNext() method could help to avoid a next() and previous() calls to check if we have one more entry available in the cursor.

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