code: /*
   * LanguageTool, a natural language style checker
   * Copyright (c) 2023.  Stefan Viol (https://stevio.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 org.jetbrains.annotations.NotNull;
  
  import java.util.Set;
  import java.util.TreeSet;
  
  @Getter
  public class LevelToneTagCacheKey {
  
    private final JLanguageTool.Level level;
    private final Set<ToneTag> toneTags;
  
    public LevelToneTagCacheKey(@NotNull JLanguageTool.Level level, @NotNull Set<ToneTag> toneTags) {
      this.level = level;
      this.toneTags = new TreeSet<>(toneTags); //sorted by default
    }
  
    @Override
    public boolean equals(Object o) {
      if (this == o) return true;
      if (o == null || getClass() != o.getClass()) return false;
  
      LevelToneTagCacheKey that = (LevelToneTagCacheKey) o;
  
      if (getLevel() != that.getLevel()) return false;
      if (!getToneTags().equals(that.getToneTags())) return false;
  
      return true;
    }
  
    @Override
    public int hashCode() {
      int result = getLevel().hashCode();
      result = 31 * result + getToneTags().hashCode();
      return result;
    }
  }
  