On Tue, Feb 1, 2011 at 5:30 PM, Alex Karasulu <akarasulu@apache.org> wrote:
> This thread branched off of the previous status thread Emmanuel posted.
> This topic needs it's own thread.
>
>
> CATEGORIZATION
> ----------------------------
>
> Before we begin let's consider the different categories of extensions
> (controls & extended operations):
>
> FYI ADP = Apache Directory Project.
> FYI Extensions = Bundles, modules, that extend the codec, like controls and
> extended operations
>
> Class (1) [ADP-PROVIDED]
> - considered part of the standard ldap model
> - must have
> - packaged into API: available out of the box
> - examples:
> * ManageDsaIT
> * PersistentSearch
> * EntryChange
> * Subentries
> * Cascade
>
> Class (2) [ADP-PROVIDED] non-standard, optional and available as a single
> extension bundle
> - not considered part of the standard ldap model
> - may be server specific
> - may be custom non-published spec
> - optional, pluggable on demand
> - examples:
> * CreateCertificate
> * StoredProcedure
> * PassordPolicy
> * Replication
>
> Class (3) [USER-PROVIDED] non-standard, optional and user provided
> bundle[s]
> - anything under the sun
> - optional
>
>
> QUESTION
> -----------------
>
> How does this overlap into what we will do to restructure the organization
> of the shared-ldap module which will eventually break up into separate Maven
> modules (OSGi bundles)?
>
>
> ANSWERS AND SOLUTIONS
> --------------------------------------------
>
> Here's one answer with possible configuration:
>
> o shared-ldap-model
> - holds only standard LDAP model types
> - class 1 ADS-PROVIDED extension POJI/POJO pairs in
> oadsl.message.controls and oadsl.message.extended
>
> o shared-ldap-codec
> - holds all the implementation details we want to hide
> - exposes some SPI classes: as little as is needed to write new
> controls and extended operations
> - contains the default codec service implementation
> - contains class 1 ADS-PROVIDED extension implementation objects
> (grammars,containers,factories,decorators)
>
> o shared-ldap-codec-api
> - exposes minimal codec API so it can be used in studio, apacheds,
> and other applications
> - contains codec service interface
> - codec related utilities
>
> o shared-ldap-ext
> - contains all class 2 ADS-PROVIDED extension classes
> in oadsl.extensions.controls & oadsl.extensions.extended
> - exposes extension POJO/POJI and utilities
> - hides extension codec implementations
> (grammars,containers,factories,decorators)
> - registering one extension registers them all
> - later if need by turned into ldap-ext multi-project, breaking up
> extensions into per-extension bundles
>
>
> Thoughts?
>
Where do you store class 3 elements ?
>
>
> Thanks,
> Alex
>
>
--
Regards,
Cordialement,
Emmanuel Lécharny
www.iktek.com
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