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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (CURATOR-322) Schema support - path validation and documentation
Date Tue, 03 May 2016 15:33:13 GMT


ASF GitHub Bot commented on CURATOR-322:

Github user Randgalt commented on a diff in the pull request:
    --- Diff: curator-framework/src/main/java/org/apache/curator/framework/api/
    @@ -1,3 +1,21 @@
    --- End diff --
    This is not actually part of this PR. I guess the license was missing on this file. Might
as well just leave it here.

> Schema support - path validation and documentation
> --------------------------------------------------
>                 Key: CURATOR-322
>                 URL:
>             Project: Apache Curator
>          Issue Type: New Feature
>          Components: Framework
>    Affects Versions: 3.1.0
>            Reporter: Jordan Zimmerman
>            Assignee: Jordan Zimmerman
>             Fix For: TBD
> ZooKeeper applications are heavily dependent on correct usage of paths, watchers, ZNode
data, etc. Currently, there is no mechanism for validating and documenting this. It would
be nice to have some kind of schema system that allows for this.
> This issue provides several items of functionality: a) ZNode path documentation; b) ZNode
path validation; c) keyed reference to ZNode paths. Both items are defined in a new class,
Schema. A Curator Schema specifies a ZNode path (or regex pattern), documentation for that
path, and the operations that are allowed on that path. Additionally, a set of Schema objects
are collected into a SchemaSet object that allows any Schema (and thereby its path) to be
retrieved via a symbolic name. This should make path management in ZK applications easier.
Lastly, a utility is provided to load SchemaSets from a file/stream in JSON format.

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