/// <summary>
/// Gets the shared instance of a data model.
/// </summary>
/// <typeparam name="T">Type of data model to retrieve.</typeparam>
/// <param name="id">Unique identifier of model to retrieve.</param>
/// <returns>Requested model, <c>null</c> if not found.</returns>
public T Get <T>(int id)
where T : DataModelBase, new()
{
T item;
DataModelCache cache;
if (_items.TryGetValue(typeof(T), out cache))
{
item = cache.TryGet(id) as T;
if (item != null)
{
return(item);
}
}
else
{
cache = new DataModelCache();
_items[typeof(T)] = cache;
}
item = GetCopy <T>(id);
if (item == null)
{
return(null);
}
item = (T)cache.TryCache(id, item);
return(item);
}
/// <summary>
/// Caches the specified item using the provided unique identifier.
/// </summary>
protected void Cache <T>(int id, T item)
where T : DataModelBase
{
DataModelCache cache;
if (!_items.TryGetValue(typeof(T), out cache))
{
cache = new DataModelCache();
_items[typeof(T)] = cache;
}
cache.Cache(id, item);
}
internal T TryCache <T>(int id, T item)
where T : DataModelBase
{
DataModelCache cache;
if (!_items.TryGetValue(typeof(T), out cache))
{
cache = new DataModelCache();
_items[typeof(T)] = cache;
}
return((T)cache.TryCache(id, item));
}
public static void ClearCache(this HttpContextBase context)
{
DataModelCache caching = new DataModelCache(context);
caching.Clear();
}
public static Object GetCacheValue(this HttpContextBase context, String keyName)
{
DataModelCache caching = new DataModelCache(context);
return(caching[keyName]);
}
public static void SetCacheValue(this HttpContextBase context, String keyName, Object value)
{
DataModelCache caching = new DataModelCache(context);
caching[keyName] = value;
}
public DataModelCacheDebugView(DataModelCache cache)
{
_cache = cache;
}