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https://issues.apache.org/jira/browse/DIRSERVER-477?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stefan Seelmann updated DIRSERVER-477:
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I think it should not be implemented using an interceptor. Some parts of the
server use DefaultPartionNexus.search() directly rather then going through the
interceptor chain (SubentryInterceptor, ReferrralManagerImpl, GroupCache,
TupleCache, TriggerSpecCache). Those parts won't be able to perform alias
dereferncing if alias dereferencing is handled within an interceptor.
Instead I propose to add this feature to the PartitionNexus. I started to
create a new cursor implementation that handles alias dereferencing. In case
alias dereferncing is reqeuested it adds an or'ed filter to the original user's
filter: (|<user filter>(objectClass=alias)). Alias entries returned by the
partition are dereferenced by the cursor and a sub-search is performed.
Using this technique the partition implementation don't need to implement alias
dereferencing. The alias indices (alias, oneAlias, subAlias) are not neccessary
any more and can be removed from JDBM partition. Additionally alias
dereferencing across partitions is possible.
Thoughts?
> Alias deferencing interceptor
> -----------------------------
>
> Key: DIRSERVER-477
> URL: https://issues.apache.org/jira/browse/DIRSERVER-477
> Project: Directory ApacheDS
> Issue Type: Improvement
> Components: core
> Reporter: Trustin Lee
> Assignee: Alex Karasulu
> Priority: Minor
> Fix For: 2.0.0
>
>
> Currently alias dereferencing (I forgot the RFC #) is coupled with
> ContextPartition, but it could be extracted into an interceptor which will
> give some advantages like:
> * ContextPartition implementors don't need to implement alias dereferencing.
> * Alias dereferencing can occur across different context partitions.
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