/*
    * #%L
    * JavaHg
    * %%
    * Copyright (C) 2011 aragost Trifork ag
    * %%
    * Permission is hereby granted, free of charge, to any person obtaining a copy
    * of this software and associated documentation files (the "Software"), to deal
    * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   * 
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   * 
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   * THE SOFTWARE.
   * #L%
   */
  package com.aragost.javahg;
  
  import java.io.File;
  import java.nio.charset.CharsetDecoder;
  import java.util.List;
  
  import com.aragost.javahg.internals.ServerPool;
  
  /**
   * This class represents a repository with an overlaid bundle
   */
  class OverlayRepository extends Repository {
  
      /**
       * If not null this is the overlay bundle for the repository.
       */
      private Bundle bundle;
  
      private BaseRepository baseRepository;
  
      public OverlayRepository(BaseRepository repository, Bundle bundle) {
          // Note that since the bundle has strong ref to changesets
          // from the bundle even with weak or soft cache policy they
          // will never be evicted
          super(repository.getConfiguration().getCachePolicy());
          this.baseRepository = repository;
          this.bundle = bundle;
          repository.getServerPool().incrementRefCount();
      }
  
      public Bundle getBundle() {
          return this.bundle;
      }
  
      @Override
      public File getDirectory() {
          return getBaseRepository().getDirectory();
      }
  
      public BaseRepository getBaseRepository() {
          return baseRepository;
      }
  
      @Override
      public ServerPool getServerPool() {
          return getBaseRepository().getServerPool();
      }
  
      @Override
      public void addToCommandLine(List<String> commandLine) {
          super.addToCommandLine(commandLine);
          commandLine.add("--repository");
          commandLine.add(getBundle().getFile().getPath());
      }
  
      @Override
      public CharsetDecoder newDecoder() {
          return baseRepository.newDecoder();
      }
  }