package org.apache.archiva.repository.base;
   
   /*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *  http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  
  import org.apache.archiva.repository.EditableRepositoryGroup;
  import org.apache.archiva.repository.ManagedRepository;
  import org.apache.archiva.repository.RepositoryCapabilities;
  import org.apache.archiva.repository.RepositoryType;
  import org.apache.archiva.repository.storage.RepositoryStorage;
  import org.apache.commons.collections4.map.ListOrderedMap;
  
  import java.util.List;
  import java.util.Locale;
  import java.util.concurrent.locks.ReadWriteLock;
  import java.util.concurrent.locks.ReentrantReadWriteLock;
  
  /**
   * Abstract repository group implementation.
   *
   */
  public class AbstractRepositoryGroup extends AbstractRepository implements EditableRepositoryGroup
  {
  
      private ListOrderedMap<String, ManagedRepository> repositories = new ListOrderedMap<>();
  
      private int mergedIndexTTL;
  
      private final ReadWriteLock rwl = new ReentrantReadWriteLock();
  
      private RepositoryCapabilities capabilities;
  
      public AbstractRepositoryGroup( RepositoryType type, String id, String name, RepositoryStorage storage) {
          super(type, id, name, storage);
      }
  
      public AbstractRepositoryGroup(Locale primaryLocale, RepositoryType type, String id, String name, RepositoryStorage storage) {
          super(primaryLocale, type, id, name, storage);
      }
  
      @Override
      public boolean hasIndex() {
          return true;
      }
  
      @Override
      public RepositoryCapabilities getCapabilities() {
          return capabilities;
      }
  
  
      @Override
      public void clearRepositories() {
          rwl.writeLock().lock();
          try {
              repositories.clear();
          } finally {
              rwl.writeLock().unlock();
          }
      }
  
      @Override
      public void setRepositories(List<ManagedRepository> newRepositories) {
          rwl.writeLock().lock();
          try {
              repositories.clear();
              for(ManagedRepository repo : newRepositories) {
                  if (repo!=null)
                      repositories.put(repo.getId(), repo);
              }
          } finally {
              rwl.writeLock().unlock();
          }
      }
  
      @Override
      public void addRepository(ManagedRepository repository) {
          rwl.writeLock().lock();
          try {
              if (repository!=null)
                  repositories.put(repository.getId(), repository);
          } finally {
              rwl.writeLock().unlock();
         }
     }
 
     @Override
     public void addRepository(int index, ManagedRepository repository) {
         rwl.writeLock().lock();
         try {
             if (repository!=null)
                 repositories.put(index, repository.getId(), repository);
         } finally {
             rwl.writeLock().unlock();
         }
     }
 
     @Override
     public boolean removeRepository(ManagedRepository repository) {
         rwl.writeLock().lock();
         try {
             return repositories.remove(repository.getId(), repository);
         } finally {
             rwl.writeLock().unlock();
         }
     }
 
     @Override
     public ManagedRepository removeRepository(String repoId) {
         rwl.writeLock().lock();
         try {
             return repositories.remove(repoId);
         } finally {
             rwl.writeLock().unlock();
         }
     }
 
     @Override
     public void setMergedIndexTTL(int timeInSeconds) {
         this.mergedIndexTTL = timeInSeconds;
     }
 
     @Override
     public List<ManagedRepository> getRepositories() {
         rwl.readLock().lock();
         try {
             return repositories.valueList();
         } finally {
             rwl.readLock().unlock();
         }
     }
 
     @Override
     public boolean contains(ManagedRepository repository) {
         rwl.readLock().lock();
         try {
             return repositories.containsValue(repository);
         } finally {
             rwl.readLock().unlock();
         }
     }
 
     @Override
     public boolean contains(String id) {
         rwl.readLock().lock();
         try {
             return repositories.containsKey(id);
         } finally {
             rwl.readLock().unlock();
         }
     }
 
     @Override
     public int getMergedIndexTTL() {
         return mergedIndexTTL;
     }
 
     protected void setCapabilities(RepositoryCapabilities capabilities) {
         this.capabilities = capabilities;
     }
 }