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From "Sylvain Lebresne (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-9705) Simplify some of 8099's concrete implementations
Date Fri, 17 Jul 2015 18:59:05 GMT


Sylvain Lebresne commented on CASSANDRA-9705:

I've pushed an additional commit to the branch that refactor the {{Reader}} in {{SSTableIterator}}
and {{SSTableReverseIterator}}. The new implementations directly return the reader for the
{{slice}} method, but more generally avoid pretty much all the code duplication there was
(and is simpler/cleaner as a result).

bq. There are some unused imports around the place

Forgot to answer that one. I don't know a good way to find those imports that are unused due
to this patch (and looking manually is not very fun), so if we're good with it, I propose
to just run an import reorganization on the project on commit.

> Simplify some of 8099's concrete implementations
> ------------------------------------------------
>                 Key: CASSANDRA-9705
>                 URL:
>             Project: Cassandra
>          Issue Type: Sub-task
>            Reporter: Sylvain Lebresne
>            Assignee: Sylvain Lebresne
>             Fix For: 3.0 beta 1
> As mentioned in the ticket comments, some of the concrete implementations (for Cell,
Row, Clustering, PartitionUpdate, ...) of the initial patch for CASSANDRA-8099 are more complex
than they should be (the use of flyweight is typically probably ill-fitted), which probably
has performance consequence. This ticket is to track the refactoring/simplifying those implementation
(mainly by removing the use of flyweights and simplifying accordingly).

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