* performance while ensuring up-to-date plugin discovery.</p>
 */
public class DataStoreFactory {
    /** Logger instance for this factory class. */
    private static final Logger logger = LogManager.getLogger(DataStoreFactory.class);

    /**
     * Map containing registered data store instances indexed by their names and class simple names.

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE components PUBLIC "-//DBFLUTE//DTD LastaDi 1.0//EN"
	"http://dbflute.org/meta/lastadi10.dtd">
<components>
	<component name="dataStoreFactory" class="org.codelibs.fess.ds.DataStoreFactory">
	</component>
	<component name="indexUpdateCallback" class="org.codelibs.fess.ds.callback.IndexUpdateCallbackImpl" instance="prototype">
	</component>