* and a list of filters that are applied in order during query processing.</p>
 */
public class QueryProcessor {

    /**
     * Default constructor.
     */
    public QueryProcessor() {
        // Default constructor
    }

    private static final Logger logger = LogManager.getLogger(QueryProcessor.class);

    /**
     * Map of query commands indexed by query class simple names.

	"http://dbflute.org/meta/lastadi10.dtd">
<components>
	<component name="queryFieldConfig"
		class="org.codelibs.fess.query.QueryFieldConfig">
	</component>

	<component name="queryProcessor"
		class="org.codelibs.fess.query.QueryProcessor">
	</component>

	<component name="booleanQueryCommand"
		class="org.codelibs.fess.query.BooleanQueryCommand">
		<postConstruct name="register"></postConstruct>
	</component>

    private static final String QUERY_HELPER = "queryHelper";

    private static final String QUERY_FIELD_CONFIG = "queryFieldConfig";

    private static final String QUERY_PROCESSOR = "queryProcessor";

    private static final String SAMBA_HELPER = "sambaHelper";

    private static final String VIEW_HELPER = "viewHelper";

    private static final String SYSTEM_HELPER = "systemHelper";

        return ComponentUtil.getQueryFieldConfig();
    }

    /**
     * Gets the query processor instance.
     * @return The query processor instance.
     */
    protected QueryProcessor getQueryProcessor() {
        return ComponentUtil.getQueryProcessor();
    }

    /**
     * Creates a sort builder for the specified field and order.
     * @param field The field name to sort by.