private void Invalidate(ItemLevelCachePart part)
{
InitializeSettings(part);
foreach (var settings in part.ItemLevelCacheSettings)
{
var displayType = settings.Key;
switch (settings.Value.InvalidationAction)
{
case ItemLevelCacheInvalidationAction.Evict:
mCacheService.RemoveByTag(ItemLevelCacheTag.For(part, displayType));
break;
case ItemLevelCacheInvalidationAction.PreRender:
var shape = mContentManager.BuildDisplay(part.ContentItem, displayType);
shape.BypassDonutTokenization = true;
var markup = (string)mShapeDisplay.Display(shape);
var cacheItem = new ItemLevelCacheItem(markup);
mCacheService.RemoveByTag(ItemLevelCacheTag.For(part, displayType));
// Give the markup to the item-level cache service which will cache it if required.
mItemLevelCacheService.CacheItem(part.ContentItem, displayType, cacheItem);
break;
}
}
}
private void InitializeSettings(ItemLevelCachePart part)
{
part.CompositeCacheKeyProviders = mCompositeCacheKeyProviderList.OrderBy(p => p.Name);
// Seed the definition dictionary based on the definition of the content type (if required).
var contentTypeSettings = part.Settings.GetModel <Dictionary <string, ItemLevelCacheSettings> >(Constants.ContentTypeDefinitionSettingsKey);
if (contentTypeSettings != null)
{
part.ItemLevelCacheSettings = part.ItemLevelCacheSettings
.Where(kvp => !kvp.Value.InheritDefaultSettings) // Exclude any saved settings where they shouldn't override the default settings...
.ToDictionary(kvp => kvp.Key, kvp => kvp.Value)
.Merge(contentTypeSettings); // ...because the default settings will then be added in here.
part.ContentTypeCacheSettings = contentTypeSettings;
}
var defaultSettings = new Dictionary <string, ItemLevelCacheSettings>()
{
{ "Detail", new ItemLevelCacheSettings() }
};
// Always ensure there is at least one display type configured.
if (!part.ItemLevelCacheSettings.Any())
{
part.ItemLevelCacheSettings = defaultSettings;
}
if (!part.ContentTypeCacheSettings.Any())
{
part.ContentTypeCacheSettings = defaultSettings;
}
PopulateCompositeCacheKeyProviders(part.ItemLevelCacheSettings);
PopulateCompositeCacheKeyProviders(part.ContentTypeCacheSettings);
}
