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package com.scalar.db.sql.statement.builder;

import com.scalar.db.sql.statement.ShowTablesStatement;
import javax.annotation.Nullable;

public class ShowTablesStatementBuilder {

  private ShowTablesStatementBuilder() {}

  public static class Start extends Buildable {
    Start() {
      super(null);
    }

    /**
     * Specify the target namespace.
     *
     * @param namespaceName the target namespace
     * @return a builder object
     */
    public Buildable from(String namespaceName) {
      return new Buildable(namespaceName);
    }
  }

  public static class Buildable {
    @Nullable private final String namespaceName;

    private Buildable(@Nullable String namespaceName) {
      this.namespaceName = namespaceName;
    }

    /**
     * Builds a ShowTablesStatement object.
     *
     * @return a ShowTablesStatement object
     */
    public ShowTablesStatement build() {
      return ShowTablesStatement.create(namespaceName);
    }
  }
}