/**
 * Query command for match all documents query.
 */
public class MatchAllQueryCommand extends QueryCommand {

    /**
     * Default constructor.
     */
    public MatchAllQueryCommand() {
        super();
    }

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

    @Override
    protected String getQueryClassName() {

        queryProcessor.init();
        ComponentUtil.register(queryProcessor, "queryProcessor");

        // Initialize MatchAllQueryCommand
        matchAllQueryCommand = new MatchAllQueryCommand();
        matchAllQueryCommand.register();
    }

    @Override
    public void tearDown() throws Exception {
        super.tearDown();
    }

        queryProcessor = ComponentUtil.getComponent("queryProcessor");

        // Register all query commands needed for testing
        new TermQueryCommand().register();
        new MatchAllQueryCommand().register();
        new PhraseQueryCommand().register();
        new BooleanQueryCommand().register();
        new PrefixQueryCommand().register();
        new WildcardQueryCommand().register();

    @Override
    protected void setUpChild() throws Exception {
        // Register other query commands that might be needed
        new TermQueryCommand().register();
        new MatchAllQueryCommand().register();

        // Initialize and register BooleanQueryCommand
        booleanQueryCommand = new BooleanQueryCommand();
        booleanQueryCommand.register();
    }

    // Test getQueryClassName method

import org.codelibs.fess.query.BooleanQueryCommand;
import org.codelibs.fess.query.BoostQueryCommand;
import org.codelibs.fess.query.FuzzyQueryCommand;
import org.codelibs.fess.query.MatchAllQueryCommand;
import org.codelibs.fess.query.PhraseQueryCommand;
import org.codelibs.fess.query.PrefixQueryCommand;
import org.codelibs.fess.query.QueryFieldConfig;
import org.codelibs.fess.query.QueryProcessor;