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From "Gregory Chanan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-7742) Support for Immutable ConfigSets
Date Tue, 07 Jul 2015 17:00:07 GMT

    [ https://issues.apache.org/jira/browse/SOLR-7742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14616984#comment-14616984
] 

Gregory Chanan commented on SOLR-7742:
--------------------------------------

bq. Yeah, I think that's a good idea to plan ahead and prevent a proliferation of files-as-boolean-flags
in the future. Then the other decision is whether to expose a generic properties interface
(i.e. the ability to set/get arbitrary configset properties).

Good points.  My thought here is to introduce a ConfigSet API that lets you modify the properties
on copy (this is required for immutable, since otherwise a ConfigSet isn't really immutable
and you can't use it as a template), but there is no reason we have to limit the modifiable
properties to just immutability on copy.  As for exposing a generic properties interface outside
of copy, that seems reasonable as well, though it's not on my short to-do list.  But we could
have something like

/admin/configs/myConfig/properties GET/PUT/POST style interfaces.

> Support for Immutable ConfigSets
> --------------------------------
>
>                 Key: SOLR-7742
>                 URL: https://issues.apache.org/jira/browse/SOLR-7742
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Gregory Chanan
>            Assignee: Gregory Chanan
>         Attachments: SOLR-7742
>
>
> See the discussion in SOLR-5955; to properly support collection "templates" that can
be specified as the starting point for a collection configuration, we need support for ConfigSets
that are immutable.



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