[jira] [Updated] (OAK-9745) Efficient operations on child nodes

["Joerg Hoh (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/OAK-9745?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joerg Hoh updated OAK-9745:
---------------------------
    Description: 
as discussed with [~jhoh] in private conversations we should look at more efficient ways to operate on child node collections such as
- determine if the set of child nodes match a given pattern
- determine the number of child nodes
- get an estimate if the number of child nodes exceeds a given max value
- getting an iterator over all child nodes that match a given pattern

one initial idea would be to introduce a new interface representing the child-node collection and adding functionality there instead of creating multiple new methods on {{JackrabbitNode}} or {{JackrabbbitSession}}.

the following improvements requests should be handled as part of this epic:
- OAK-9666
- OAK-9667 

The idea is to avoid calling 


  was:
as discussed with [~jhoh] in private conversations we should look at more efficient ways to operate on child node collections such as
- determine if the set of child nodes match a given pattern
- determine the number of child nodes
- get an estimate if the number of child nodes exceeds a given max value
- getting an iterator over all child nodes that match a given pattern

one initial idea would be to introduce a new interface representing the child-node collection and adding functionality there instead of creating multiple new methods on {{JackrabbitNode}} or {{JackrabbbitSession}}.

the following improvements requests should be handled as part of this epic:
- OAK-9666
- OAK-9667 


> Efficient operations on child nodes
> -----------------------------------
>
>                 Key: OAK-9745
>                 URL: https://issues.apache.org/jira/browse/OAK-9745
>             Project: Jackrabbit Oak
>          Issue Type: Epic
>          Components: core, jcr
>            Reporter: Angela Schreiber
>            Priority: Major
>
> as discussed with [~jhoh] in private conversations we should look at more efficient ways to operate on child node collections such as
> - determine if the set of child nodes match a given pattern
> - determine the number of child nodes
> - get an estimate if the number of child nodes exceeds a given max value
> - getting an iterator over all child nodes that match a given pattern
> one initial idea would be to introduce a new interface representing the child-node collection and adding functionality there instead of creating multiple new methods on {{JackrabbitNode}} or {{JackrabbbitSession}}.
> the following improvements requests should be handled as part of this epic:
> - OAK-9666
> - OAK-9667 
> The idea is to avoid calling 



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