// TODO property validation could be done here
_properties = props;
_maxListSize = maxListSize;
final String resrcName = _properties.getProperty( LUCENE_FILTER_RESRC_KEY_PRP_KEY );
// UimaContext.getResourceObject(..) throws ResourceAccessException
final LuceneIndexReaderResource resrc = (LuceneIndexReaderResource) aCtx.getResourceObject( resrcName );
// Possible npE with resrc.getIndexReader()
_indexSearcher = new IndexSearcher( resrc.getIndexReader() );
}