[dna-issues] [JBoss JIRA] Commented: (DNA-404) Remove ObservationService, migrate usage to observe RepositoryLibrary

Thu May 21 22:07:56 EDT 2009

    [ https://jira.jboss.org/jira/browse/DNA-404?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12468778#action_12468778 ] 

Randall Hauch commented on DNA-404:
-----------------------------------

Removed the ObservationService and the 'org.jboss.dna.repository.observation' package.  Also removed the JCR API, since the ObservationService (and a few leftover JCR utility classes) were the only remaining use of JCR API in 'dna-repository'.  Also removed the 'o.j.d.r.rules' package, since we're still not using JSR-92 rules for sequencers (path expressions are still very adequate, and we can always resurrect the code if needed).  And finally, 'dna-repository' no longer needs the JCR unit test utilities that are in 'dna-common', so they were removed (actually copied into the 'dna-classloader-maven' project, which still uses JCR API), allowing 'dna-common' to no longer rely upon JCR API and Jackrabbit for test scope.

> Remove ObservationService, migrate usage to observe RepositoryLibrary
> ---------------------------------------------------------------------
>
>                 Key: DNA-404
>                 URL: https://jira.jboss.org/jira/browse/DNA-404
>             Project: DNA
>          Issue Type: Task
>          Components: Connectors, Graph, Sequencers
>    Affects Versions: 0.4
>            Reporter: Randall Hauch
>            Assignee: Randall Hauch
>            Priority: Blocker
>             Fix For: 0.5
>
>
> The ObservationService is no longer needed since DNA-252 has added an observation framework to the graph API and RepositoryLibrary now manages the list of registered observers.  All components that use the Observation Service should be changed to use Observers registered via the RepositoryLibrary.
> This will likely require changes to the Getting Started examples and documentation.

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