package com.atlassian.cache;
   
   import com.atlassian.annotations.PublicApi;
   
   import javax.annotation.Nonnull;
   
   /**
    * An abstract adapter for {@code CacheEntryListener}.
    *
   * @since 2.4
   */
  @PublicApi
  public abstract class CacheEntryAdapter<K, V> implements CacheEntryListener<K, V>
  {
      @Override
      public void onAdd(@Nonnull CacheEntryEvent<K, V> event)
      {
      }
  
      @Override
      public void onEvict(@Nonnull CacheEntryEvent<K, V> event)
      {
      }
  
      @Override
      public void onRemove(@Nonnull CacheEntryEvent<K, V> event)
      {
      }
  
      @Override
      public void onUpdate(@Nonnull CacheEntryEvent<K, V> event)
      {
      }
  }