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https://issues.apache.org/jira/browse/QPID-7318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15404204#comment-15404204
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Rob Godfrey commented on QPID-7318:
-----------------------------------
h4. Patch 8
{quote}
* I think I am missing the point of {{AbstractConfiguredObjectProxy}}. I
cannot find is being used (extended, implemented, or mocked) anywhere. So how
would any of the {{if (source instanceof AbstractConfiguredObjectProxy)}}
checks ever trigger?
{quote}
I started off going this way to cope with some of the unit tests that mock
configured objects and use them in the hierarchy, then worked out that I could
avoid having to use this mechanism for the changes I needed. I decided to
leave the code in since it does no harm, and there's a significant non-zero
possibility we will need it later.
{quote}
* {{FixedKeyMap#get}} and {{#containsKey}} have O(n ) time complexity which
certainly breaks my expectation of a Map implementation. I see that they are
only used for very small maps so it probabaly does not matter but still
surprising.
{quote}
where n <= 3 I think it's actually going to be quicker (or at least no slower)
to iterate over a list than to calculate the hashcode, find the correct bucket
then iterate over the list - especially considering the advantages in not
having to create so many objects when the Map object is created/populated.
Obviously you wouldn't want to use this for larger maps.
{quote}
* {{FixedKeyMap$EntrySetIterator#next}} has a bug in the assignment of the
value.
{quote}
Fixed
> [Java Broker] Refactor existing ACL plugin code
> -----------------------------------------------
>
> Key: QPID-7318
> URL: https://issues.apache.org/jira/browse/QPID-7318
> Project: Qpid
> Issue Type: Improvement
> Components: Java Broker
> Reporter: Rob Godfrey
> Assignee: Rob Godfrey
> Fix For: qpid-java-6.1
>
>
> While the aim is to redesign the ACL implementation in the v6.2 or v7.0
> timeframe, there is still utility in tidying up the existing ACL
> implementation a bit. In particular by separating out functions and
> providing a better encapsulation, we will make the job of writing automated
> upgraders to any new ACL implementation substantially easier.
> As a first step we can separate out the parsing of the ACL file, from the
> "rule based" implementation of ACLs.
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