[jira] Commented: (SOLR-260) reusable PluginLoader -- helper class to load plugins

["Hoss Man (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-260?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12537825 ] 

Hoss Man commented on SOLR-260:
-------------------------------

Ryan: do you consider this issue fixed, or did you want to leave it open to track converting more plugins to using PluginLoader?  (if so we should probably list the classes in the issue description, if not we should open seperate bugs to track the individual types of plugins)

> reusable PluginLoader -- helper class to load plugins
> -----------------------------------------------------
>
>                 Key: SOLR-260
>                 URL: https://issues.apache.org/jira/browse/SOLR-260
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Ryan McKinley
>         Attachments: SOLR-260-PluginLoader.patch, SOLR-260-PluginLoader.patch
>
>
> As we talk about adding more configuration (Handlers, Highlighting, Components, etc) we should standardize the format and share the loading and initialization code.
> This patch extracts the common stuff from SOLR-225 and makes it work with the RequestHandler framework.
> This is an abstract base class -- each implementation needs to take care of actually creating and initializing the instances:
> abstract class PluginLoader<T>
> {
>   abstract public T create( String className, NamedList args, Map<String,String> params );
>  
>   abstract public void init( T plugin, NamedList args, Map<String,String> params );
>   
>   public Map<String,T> load( NodeList nodes )
>   {
>     ...
>   }
> }

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