[jira] Updated: (DIRSERVER-1050) [PERF]We need to store a LdapDN into the backend instead of a String

["Emmanuel Lecharny (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DIRSERVER-1050?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Emmanuel Lecharny updated DIRSERVER-1050:
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    Summary: [PERF]We need to store a LdapDN into the backend instead of a String  (was: We need to store a LdapDN into the backend instead of a String)

Added the [PERF] prefix

> [PERF]We need to store a LdapDN into the backend instead of a String
> --------------------------------------------------------------------
>
>                 Key: DIRSERVER-1050
>                 URL: https://issues.apache.org/jira/browse/DIRSERVER-1050
>             Project: Directory ApacheDS
>          Issue Type: Improvement
>          Components: ldap
>    Affects Versions: 1.5.1
>            Reporter: Emmanuel Lecharny
>             Fix For: 1.5.2
>
>
> When we have obtained an entry from the backend, we are building a ServerSearchResult entry. As this object contains the DN of the returned entry, we have a member which is a LdapDN. This is obviously costly and useless to parse a String back to a DN just before reverting it to a String in order to send it to the client.
> We can avoid such a String -> LdapDN -> String roundtrip by simply storing the DN as a String in the ServerSearchResult object.
> Now, we have another problem : this info is needed as a LdapDN in order to check that the entry can be read by the client (isSearchable() method in the authz interceptor). We also need to inject collective attributes, and to check that the entry is not a referral. Incidently, in the isSearchable() method and collectiveAttributeService interceptor, we are normalizing the DN, which is already normalized... Costly...
> So we need the LdapDN form _and_ the String form. What about simply storing the LdapDN instead of the String into the backend ?

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