* Provides common functionality for processing and executing search queries.
 */
public abstract class QueryCommand {

    /**
     * Default constructor for QueryCommand.
     * Creates a new instance of the query command with default settings.
     */
    public QueryCommand() {
        // Default constructor
    }

    /**
     * Executes the query command and returns a QueryBuilder.

     * @param queryCommand the query command implementation to add
     * @throws IllegalArgumentException if name or queryCommand is null
     */
    public void add(final String name, final QueryCommand queryCommand) {
        if (name == null || queryCommand == null) {
            throw new IllegalArgumentException(

 * Command class for handling term range query execution and conversion.
 * This class processes Lucene TermRangeQuery objects and converts them to OpenSearch QueryBuilder instances.
 */
public class TermRangeQueryCommand extends QueryCommand {
    private static final Logger logger = LogManager.getLogger(TermRangeQueryCommand.class);

    /**
     * Default constructor for TermRangeQueryCommand.
     */
    public TermRangeQueryCommand() {

import org.opensearch.index.query.QueryBuilder;
import org.opensearch.index.query.QueryBuilders;

/**
 * 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);

 * Converts Lucene WildcardQuery objects to OpenSearch QueryBuilder objects,
 * supporting wildcard pattern matching with configurable case sensitivity.
 */
public class WildcardQueryCommand extends QueryCommand {

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

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

import org.opensearch.index.query.QueryBuilder;

/**
 * Query command implementation for handling Boost queries.
 * Processes Lucene BoostQuery objects and applies boost factors.
 */
public class BoostQueryCommand extends QueryCommand {
    /**
     * Default constructor for BoostQueryCommand.
     */
    public BoostQueryCommand() {
        super();
    }

import org.opensearch.index.query.QueryBuilder;
import org.opensearch.index.query.QueryBuilders;

/**
 * Query command for prefix queries.
 */
public class PrefixQueryCommand extends QueryCommand {

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

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

/**
 * Query command implementation for handling Boolean queries.
 * Converts Lucene BooleanQuery objects to OpenSearch BoolQueryBuilder objects.
 */
public class BooleanQueryCommand extends QueryCommand {
    /**
     * Default constructor for BooleanQueryCommand.
     */
    public BooleanQueryCommand() {
        super();
    }

import org.lastaflute.core.message.UserMessages;
import org.opensearch.index.query.QueryBuilder;

/**
 * Query command for phrase queries.
 */
public class PhraseQueryCommand extends QueryCommand {

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

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

 * This class converts Lucene FuzzyQuery objects into OpenSearch fuzzy query builders,
 * supporting configurable fuzzy matching parameters like edit distance and expansions.
 *
 */
public class FuzzyQueryCommand extends QueryCommand {
    private static final Logger logger = LogManager.getLogger(FuzzyQueryCommand.class);

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