code: /* LanguageTool, a natural language style checker
   * Copyright (C) 2021 Daniel Naber (http://www.danielnaber.de)
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
   * USA
   */
  package org.languagetool;
  
  import lombok.Getter;
  
  import java.util.Objects;
  
  /**
   * A range in a text with its (potential/guessed) language.
   * @since 5.3
   */
  public class Range {
  
    private final int fromPos;
    private final int toPos;
    private final String lang;
  
  
    Range(int fromPos, int toPos, String lang) {
      this.fromPos = fromPos;
      this.toPos = toPos;
      this.lang = Objects.requireNonNull(lang);
    }
  
    public int getFromPos() {
      return fromPos;
    }
  
    public int getToPos() {
      return toPos;
    }
  
    public String getLang() {
      return lang;
    }
  
    @Override
    public boolean equals(Object o) {
      if (this == o) return true;
      if (o == null || getClass() != o.getClass()) return false;
      Range range = (Range) o;
      return fromPos == range.fromPos && toPos == range.toPos && lang.equals(range.lang);
    }
  
    @Override
    public int hashCode() {
      return Objects.hash(fromPos, toPos, lang);
    }
  }
  