/// <summary>
/// Removes the page item from the cache if it exists.
/// </summary>
/// <param name="id">The id of the page.</param>
/// <param name="version">The page content version.</param>
public void Remove(int id, int version)
{
if (!_applicationSettings.UseObjectCache)
{
return;
}
string key = CacheKeys.PageViewModelKey(id, version);
_cache.Remove(key);
Log("Removed key '{0}' from cache", key);
}
/// <summary>
/// Retrieves the page item for a specific version of the page from the cache, or null if it doesn't exist.
/// </summary>
/// <param name="id">The id of the page </param>
/// <param name="version">The version of the page.</param>
/// <returns>The cached <see cref="PageViewModel"/>; or null if it doesn't exist.</returns>
public PageViewModel Get(int id, int version)
{
if (!_applicationSettings.UseObjectCache)
{
return(null);
}
string key = CacheKeys.PageViewModelKey(id, version);
Log("Get key {0} in cache [Id={1}, Version{2}]", key, id, version);
return(_cache.Get(key) as PageViewModel);
}
// <summary>
/// Adds an item to the cache.
/// </summary>
/// <param name="id">The page's Id.</param>
/// <param name="version">The pages content's version.</param>
/// <param name="item">The page.</param>
public void Add(int id, int version, PageViewModel item)
{
if (!_applicationSettings.UseObjectCache)
{
return;
}
if (!item.IsCacheable)
{
return;
}
string key = CacheKeys.PageViewModelKey(id, version);
_cache.Add(key, item, new CacheItemPolicy());
Log("Added key {0} to cache [Id={1}, Version{2}]", key, id, version);
}
