package org.apache.commons.jcs3.engine;
   
   /*
    * 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 java.io.IOException;
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.HashSet;
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  
  import org.apache.commons.jcs3.engine.behavior.ICacheElement;
  import org.apache.commons.jcs3.engine.behavior.ICacheServiceNonLocal;
  
  /**
   * This is a mock impl of the non local cache service.
   */
  public class MockCacheServiceNonLocal<K, V>
      implements ICacheServiceNonLocal<K, V>
  {
      /** The key last passed to get */
      public K lastGetKey;
  
      /** The pattern last passed to get */
      public String lastGetMatchingPattern;
  
      /** The keya last passed to getMatching */
      public Set<K> lastGetMultipleKeys;
  
      /** The object that was last passed to update. */
      public ICacheElement<K, V> lastUpdate;
  
      /** List of updates. */
      public List<ICacheElement<K, V>> updateRequestList = new ArrayList<>();
  
      /** List of request ids. */
      public List<Long> updateRequestIdList = new ArrayList<>();
  
      /** The key that was last passed to remove. */
      public K lastRemoveKey;
  
      /** The cache name that was last passed to removeAll. */
      public String lastRemoveAllCacheName;
  
      /**
       * @param cacheName
       * @param key
       * @param requesterId - identity of requester
       * @return null
       */
      @Override
      public ICacheElement<K, V> get( final String cacheName, final K key, final long requesterId )
      {
          lastGetKey = key;
          return null;
      }
  
      /**
       * @param cacheName
       * @return empty set
       */
      @Override
      public Set<K> getKeySet( final String cacheName )
      {
          return new HashSet<>();
      }
  
      /**
       * Set the last remove key.
       * <p>
       * @param cacheName
       * @param key
       * @param requesterId - identity of requester
       */
      @Override
      public void remove( final String cacheName, final K key, final long requesterId )
      {
          lastRemoveKey = key;
      }
  
      /**
      * Set the lastRemoveAllCacheName to the cacheName.
      * <p>
      * @param cacheName - region name
      * @param requesterId - identity of requester
      * @throws IOException
      */
     @Override
     public void removeAll( final String cacheName, final long requesterId )
         throws IOException
     {
         lastRemoveAllCacheName = cacheName;
     }
 
     /**
      * Set the last update item.
      * <p>
      * @param item
      * @param requesterId - identity of requester
      */
     @Override
     public void update( final ICacheElement<K, V> item, final long requesterId )
     {
         lastUpdate = item;
         updateRequestList.add( item );
         updateRequestIdList.add( Long.valueOf( requesterId ) );
     }
 
     /**
      * Do nothing.
      * <p>
      * @param cacheName
      */
     @Override
     public void dispose( final String cacheName )
     {
     }
 
     /**
      * @param cacheName
      * @param key
      * @return null
      */
     @Override
     public ICacheElement<K, V> get( final String cacheName, final K key )
     {
         return get( cacheName, key, 0 );
     }
 
     /**
      * Do nothing.
      */
     @Override
     public void release()
     {
     }
 
     /**
      * Set the last remove key.
      * <p>
      * @param cacheName
      * @param key
      */
     @Override
     public void remove( final String cacheName, final K key )
     {
         lastRemoveKey = key;
     }
 
     /**
      * Set the last remove all cache name.
      * <p>
      * @param cacheName
      */
     @Override
     public void removeAll( final String cacheName )
     {
         lastRemoveAllCacheName = cacheName;
     }
 
     /**
      * Set the last update item.
      * <p>
      * @param item
      */
     @Override
     public void update( final ICacheElement<K, V> item )
     {
         lastUpdate = item;
     }
 
     /**
      * @param cacheName
      * @param keys
      * @param requesterId - identity of requester
      * @return empty map
      */
     @Override
     public Map<K, ICacheElement<K, V>> getMultiple( final String cacheName, final Set<K> keys, final long requesterId )
     {
         lastGetMultipleKeys = keys;
         return new HashMap<>();
     }
 
     /**
      * @param cacheName
      * @param keys
      * @return empty map
      */
     @Override
     public Map<K, ICacheElement<K, V>> getMultiple( final String cacheName, final Set<K> keys )
     {
         return getMultiple( cacheName, keys, 0 );
     }
 
     /**
      * Returns an empty map. Zombies have no internal data.
      * <p>
      * @param cacheName
      * @param pattern
      * @return an empty map
      * @throws IOException
      */
     @Override
     public Map<K, ICacheElement<K, V>> getMatching( final String cacheName, final String pattern )
         throws IOException
     {
         return getMatching( cacheName, pattern, 0 );
     }
 
     /**
      * @param cacheName
      * @param pattern
      * @param requesterId
      * @return Map
      * @throws IOException
      */
     @Override
     public Map<K, ICacheElement<K, V>> getMatching( final String cacheName, final String pattern, final long requesterId )
         throws IOException
     {
         lastGetMatchingPattern = pattern;
         return new HashMap<>();
     }
 }