Add deprecated Data Loader CLI arguments

data-loader/cli/src/main/java/com/scalar/db/dataloader/cli/command/dataexport/ExportCommand.java

@@ -1,5 +1,6 @@
 package com.scalar.db.dataloader.cli.command.dataexport;
 
+import static com.scalar.db.dataloader.cli.util.CommandLineInputUtils.validateDeprecatedOptionPair;
 import static com.scalar.db.dataloader.cli.util.CommandLineInputUtils.validatePositiveValue;
 import static java.nio.file.StandardOpenOption.APPEND;
 import static java.nio.file.StandardOpenOption.CREATE;
@@ -51,6 +52,8 @@ public class ExportCommand extends ExportCommandOptions implements Callable<Inte
 
   @Override
   public Integer call() throws Exception {
+    validateDeprecatedOptions();
+    applyDeprecatedOptions();
     String scalarDbPropertiesFilePath = getScalarDbPropertiesFilePath();
 
     try {
@@ -107,6 +110,24 @@ public Integer call() throws Exception {
     return 0;
   }
 
+  /**
+   * Validates that deprecated and new options are not both specified.
+   *
+   * @throws CommandLine.ParameterException if both old and new options are specified
+   */
+  private void validateDeprecatedOptions() {
+    validateDeprecatedOptionPair(
+        spec.commandLine(),
+        DEPRECATED_START_EXCLUSIVE_OPTION,
+        START_INCLUSIVE_OPTION,
+        START_INCLUSIVE_OPTION_SHORT);
+    validateDeprecatedOptionPair(
+        spec.commandLine(),
+        DEPRECATED_END_EXCLUSIVE_OPTION,
+        END_INCLUSIVE_OPTION,
+        END_INCLUSIVE_OPTION_SHORT);
+  }
+
   private String getScalarDbPropertiesFilePath() {
     if (StringUtils.isBlank(configFilePath)) {
       throw new IllegalArgumentException(DataLoaderError.CONFIG_FILE_PATH_BLANK.buildMessage());

data-loader/cli/src/main/java/com/scalar/db/dataloader/cli/command/dataexport/ExportCommandOptions.java

@@ -10,6 +10,12 @@
 public class ExportCommandOptions {
 
   protected static final String DEFAULT_CONFIG_FILE_NAME = "scalardb.properties";
+  public static final String START_INCLUSIVE_OPTION = "--start-inclusive";
+  public static final String START_INCLUSIVE_OPTION_SHORT = "-si";
+  public static final String DEPRECATED_START_EXCLUSIVE_OPTION = "--start-exclusive";
+  public static final String END_INCLUSIVE_OPTION = "--end-inclusive";
+  public static final String END_INCLUSIVE_OPTION_SHORT = "-ei";
+  public static final String DEPRECATED_END_EXCLUSIVE_OPTION = "--end-exclusive";
 
   @CommandLine.Option(
       names = {"--config", "-c"},
@@ -87,6 +93,14 @@ public class ExportCommandOptions {
   // TODO: test that -si false, works
   protected boolean scanStartInclusive;
 
+  // Deprecated option - kept for backward compatibility
+  @CommandLine.Option(
+      names = {DEPRECATED_START_EXCLUSIVE_OPTION},
+      description = "Deprecated: Use --start-inclusive instead (inverted logic)",
+      hidden = true)
+  @Deprecated
+  protected Boolean startExclusiveDeprecated;
+
   @CommandLine.Option(
       names = {"--end-key", "-ek"},
       paramLabel = "<KEY=VALUE>",
@@ -100,6 +114,14 @@ public class ExportCommandOptions {
       defaultValue = "true")
   protected boolean scanEndInclusive;
 
+  // Deprecated option - kept for backward compatibility
+  @CommandLine.Option(
+      names = {DEPRECATED_END_EXCLUSIVE_OPTION},
+      description = "Deprecated: Use --end-inclusive instead (inverted logic)",
+      hidden = true)
+  @Deprecated
+  protected Boolean endExclusiveDeprecated;
+
   @CommandLine.Option(
       names = {"--sort-by", "-s"},
       paramLabel = "<SORT_ORDER>",
@@ -144,4 +166,23 @@ public class ExportCommandOptions {
       description = "Size of the data chunk to process in a single task (default: 200)",
       defaultValue = "200")
   protected int dataChunkSize;
+
+  /**
+   * Applies deprecated option values if they are set.
+   *
+   * <p>This method is called AFTER validateDeprecatedOptions(), so we are guaranteed that both the
+   * deprecated and new options were not specified together. If we reach this point, only the
+   * deprecated option was provided by the user.
+   */
+  public void applyDeprecatedOptions() {
+    // If the deprecated option is set, use its value (inverted logic)
+    if (startExclusiveDeprecated != null) {
+      scanStartInclusive = !startExclusiveDeprecated;
+    }
+
+    // If the deprecated option is set, use its value (inverted logic)
+    if (endExclusiveDeprecated != null) {
+      scanEndInclusive = !endExclusiveDeprecated;
+    }
+  }
 }

data-loader/cli/src/main/java/com/scalar/db/dataloader/cli/command/dataimport/ImportCommand.java

@@ -1,5 +1,6 @@
 package com.scalar.db.dataloader.cli.command.dataimport;
 
+import static com.scalar.db.dataloader.cli.util.CommandLineInputUtils.validateDeprecatedOptionPair;
 import static com.scalar.db.dataloader.cli.util.CommandLineInputUtils.validatePositiveValue;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
@@ -52,6 +53,8 @@ public class ImportCommand extends ImportCommandOptions implements Callable<Inte
 
   @Override
   public Integer call() throws Exception {
+    validateDeprecatedOptions();
+    applyDeprecatedOptions();
     validateImportTarget(controlFilePath, namespace, tableName);
     validateLogDirectory(logDirectory);
     validatePositiveValue(
@@ -272,6 +275,19 @@ private Optional<ControlFile> parseControlFileFromPath(String controlFilePath) {
     }
   }
 
+  /**
+   * Validates that deprecated and new options are not both specified.
+   *
+   * @throws ParameterException if both old and new options are specified
+   */
+  private void validateDeprecatedOptions() {
+    validateDeprecatedOptionPair(
+        spec.commandLine(),
+        DEPRECATED_THREADS_OPTION,
+        MAX_THREADS_OPTION,
+        MAX_THREADS_OPTION_SHORT);
+  }
+
   /**
    * Generate import options object from provided cli parameter data
    *

data-loader/cli/src/main/java/com/scalar/db/dataloader/cli/command/dataimport/ImportCommandOptions.java

@@ -9,6 +9,9 @@
 public class ImportCommandOptions {
 
   public static final String FILE_OPTION_NAME_LONG_FORMAT = "--file";
+  public static final String MAX_THREADS_OPTION = "--max-threads";
+  public static final String MAX_THREADS_OPTION_SHORT = "-mt";
+  public static final String DEPRECATED_THREADS_OPTION = "--threads";
 
   @CommandLine.Option(
       names = {"--mode", "-m"},
@@ -39,6 +42,15 @@ public class ImportCommandOptions {
       defaultValue = "16")
   protected int maxThreads;
 
+  // Deprecated option - kept for backward compatibility
+  @CommandLine.Option(
+      names = {DEPRECATED_THREADS_OPTION},
+      paramLabel = "<THREADS>",
+      description = "Deprecated: Use --max-threads instead",
+      hidden = true)
+  @Deprecated
+  protected Integer threadsDeprecated;
+
   @CommandLine.Option(
       names = {"--namespace", "-ns"},
       paramLabel = "<NAMESPACE>",
@@ -158,4 +170,18 @@ public class ImportCommandOptions {
       description = "Maximum number of data chunks that can be kept at a time for processing",
       defaultValue = "256")
   protected int dataChunkQueueSize;
+
+  /**
+   * Applies deprecated option values if they are set.
+   *
+   * <p>This method is called AFTER validateDeprecatedOptions(), so we are guaranteed that both the
+   * deprecated and new options were not specified together. If we reach this point, only the
+   * deprecated option was provided by the user.
+   */
+  public void applyDeprecatedOptions() {
+    // If the deprecated option is set, use its value
+    if (threadsDeprecated != null) {
+      maxThreads = threadsDeprecated;
+    }
+  }
 }

data-loader/cli/src/main/java/com/scalar/db/dataloader/cli/util/CommandLineInputUtils.java

@@ -61,4 +61,30 @@ public static void validatePositiveValue(
       throw new CommandLine.ParameterException(commandLine, error.buildMessage());
     }
   }
+
+  /**
+   * Validates that a deprecated option and its replacement are not both specified. If both options
+   * are detected, it throws a {@link picocli.CommandLine.ParameterException} with an appropriate
+   * error message.
+   *
+   * @param commandLine the {@link CommandLine} instance used to provide context for the exception
+   * @param deprecatedOption the deprecated option name
+   * @param newOption the new option name
+   * @param newOptionShort the short form of the new option name
+   * @throws CommandLine.ParameterException if both deprecated and new options are specified
+   */
+  public static void validateDeprecatedOptionPair(
+      CommandLine commandLine, String deprecatedOption, String newOption, String newOptionShort) {
+    boolean hasDeprecated = commandLine.getParseResult().hasMatchedOption(deprecatedOption);
+    boolean hasNew =
+        commandLine.getParseResult().hasMatchedOption(newOption)
+            || commandLine.getParseResult().hasMatchedOption(newOptionShort);
+
+    if (hasDeprecated && hasNew) {
+      throw new CommandLine.ParameterException(
+          commandLine,
+          DataLoaderError.DEPRECATED_AND_NEW_OPTION_BOTH_SPECIFIED.buildMessage(
+              deprecatedOption, newOption, newOption));
+    }
+  }
 }