content: /*
   * This file is a part of BSL Language Server.
   *
   * Copyright (c) 2018-2025
   * Alexey Sosnoviy <labotamy@gmail.com>, Nikita Fedkin <nixel2007@gmail.com> and contributors
   *
   * SPDX-License-Identifier: LGPL-3.0-or-later
   *
   * BSL Language Server 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 3.0 of the License, or (at your option) any later version.
   *
   * BSL Language Server 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 BSL Language Server.
   */
  package com.github._1c_syntax.bsl.languageserver.references.model;
  
  import org.springframework.stereotype.Component;
  
  import java.util.Collections;
  import java.util.Map;
  import java.util.Set;
  import java.util.concurrent.ConcurrentSkipListMap;
  import java.util.concurrent.ConcurrentSkipListSet;
  
  /**
   * Хранилище обращений к символам.
   */
  @Component
  public class SymbolOccurrenceRepository {
  
    /**
     * Список обращений к символам в разрезе символов.
     */
    private final Map<Symbol, Set<SymbolOccurrence>> occurrencesToSymbols = new ConcurrentSkipListMap<>();
  
    /**
     * Сохранить обращение к символу в хранилище.
     *
     * @param symbolOccurrence Обращение к символу.
     */
    public void save(SymbolOccurrence symbolOccurrence) {
      occurrencesToSymbols.computeIfAbsent(symbolOccurrence.getSymbol(), symbol -> new ConcurrentSkipListSet<>())
        .add(symbolOccurrence);
    }
  
    /**
     * Получить все обращения к указанному символу.
     *
     * @param symbol Символ.
     * @return Список обращений к символу.
     */
    public Set<SymbolOccurrence> getAllBySymbol(Symbol symbol) {
      return occurrencesToSymbols.getOrDefault(symbol, Collections.emptySet());
    }
  
    /**
     * Удалить сохраненные данные по указанным обращениям к символу.
     *
     * @param symbolOccurrences Список обращений к символам.
     */
    public void deleteAll(Set<SymbolOccurrence> symbolOccurrences) {
      symbolOccurrences.forEach(symbolOccurrence ->
        occurrencesToSymbols.get(symbolOccurrence.getSymbol()).remove(symbolOccurrence)
      );
    }
  
  }
  