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
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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