content: /*
   * Inkless
   * Copyright (C) 2024 - 2025 Aiven OY
   *
   * This program is free software: you can redistribute it and/or modify
   * it under the terms of the GNU Affero General Public License as published by
   * the Free Software Foundation, either version 3 of the License, or
   * (at your option) any later version.
   *
   * This program 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 Affero General Public License for more details.
   *
   * You should have received a copy of the GNU Affero General Public License
   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   */
  package io.aiven.inkless.cache;
  
  import java.io.IOException;
  
  import io.aiven.inkless.generated.CacheKey;
  import io.aiven.inkless.generated.FileExtent;
  
  /**
   * A cache implementation without any storage, always misses.
   */
  public class NullCache implements ObjectCache {
      @Override
      public FileExtent get(CacheKey key) {
          return null;
      }
  
      @Override
      public void put(CacheKey key, FileExtent value) {
      }
  
      @Override
      public boolean remove(CacheKey key) {
          return false;
      }
  
      @Override
      public long size() {
          return 0;
      }
  
      @Override
      public void close() throws IOException {
          // no-op
      }
  }
  