GMap.NET.Core/GMap.NET.Internals/Cache.cs

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namespace GMap.NET.Internals
{
   using System;
   using System.Diagnostics;
   using System.IO;
   using System.Text;
   using GMap.NET.CacheProviders;

   /// <summary>
   /// cache system for tiles, geocoding, etc...
   /// </summary>
   internal class Cache : Singleton<Cache>
   {
      /// <summary>
      /// abstract image cache
      /// </summary>
      public PureImageCache ImageCache;

      /// <summary>
      /// second level abstract image cache
      /// </summary>
      public PureImageCache ImageCacheSecond;

      string cache;

      /// <summary>
      /// local cache location
      /// </summary>
      public string CacheLocation
      {
         get
         {
            return cache;
         }
         set
         {
            cache = value;
#if SQLite
            if(ImageCache is SQLitePureImageCache)
            {
               (ImageCache as SQLitePureImageCache).CacheLocation = value;
            }
#else
            if(ImageCache is MsSQLCePureImageCache)
            {
               (ImageCache as MsSQLCePureImageCache).CacheLocation = value;
            }
#endif
         }
      }

      public Cache()
      {
         #region singleton check
         if(Instance != null)
         {
            throw (new System.Exception("You have tried to create a new singleton class where you should have instanced it. Replace your \"new class()\" with \"class.Instance\""));
         }
         #endregion