public T this[string key]
{
get
{
lock (TempLock)
{
if (TemporaryStorage != null)
{
return TemporaryStorage;
}
}
return CacheManager.Get(GetCacheKey(key)) as T;
}
set
{
lock (TempLock)
{
TemporaryStorage = this[key];
}
Remove(key);
var evictionPolicy = new CacheEvictionPolicy(_cacheDependencyKeys, _relativeExpiration, CacheTimeoutType.Absolute);
CacheManager.Insert(GetCacheKey(key), value, evictionPolicy);
lock (TempLock)
{
TemporaryStorage = null;
}
}
}
private IEnumerable <SyndicationItem> GetFromCacheOrFactory(SyndicationItemFactory syndicationFactory, SyndicationFeedPageType currentPage, IEnumerable <Category> parsedCategories)
{
var cacheTime = currentPage.CacheFeedforSeconds;
string categoryQuery = string.Empty;
foreach (var category in parsedCategories)
{
categoryQuery += category.Name;
}
var cacheKey = string.Format("SyndicationFeedPageType_{0}_{1}", currentPage.ContentLink.ToString(), categoryQuery);
var cachedItems = CacheManager.Get(cacheKey) as IEnumerable <SyndicationItem>;
if (cachedItems == null)
{
cachedItems = syndicationFactory.GetSyndicationItems();
if (cacheTime > 0)
{
var cachePolicy = new CacheEvictionPolicy(new[] { DataFactoryCache.PageCommonCacheKey(currentPage.ContentLink) }
, new TimeSpan(0, 0, cacheTime),
CacheTimeoutType.Absolute);
CacheManager.Insert(cacheKey, syndicationFactory.GetSyndicationItems(), cachePolicy);
}
}
return(cachedItems);
}
private void RetrieveGarages()
{
CacheEvictionPolicy policy = new CacheEvictionPolicy(TimeSpan.FromMinutes(4), CacheTimeoutType.Sliding);
List <ParkingGarage> allGarages = CacheManager.Get(LocationsCacheKey) as List <ParkingGarage>;
if (allGarages == null)
{
allGarages = new List <ParkingGarage>();
using (var client = new HttpClient())
{
var json = client.GetStringAsync(_feedUrl);
dynamic results = JsonConvert.DeserializeObject(json.Result);
foreach (var item in results)
{
string jsonItem = item.ToString().Replace("\r\n", "");
ParkingGarage garage = JsonConvert.DeserializeObject <ParkingGarage>(jsonItem);
allGarages.Add(garage);
}
}
CacheManager.Insert(LocationsCacheKey, allGarages, policy);
}
Garages = allGarages;
}
public void Insert(string key, object value, IEnumerable <Type> dependentTypes)
{
var timespan = new TimeSpan(0, 10, 0);
var cacheEvictionPolicy = new CacheEvictionPolicy(timespan, CacheTimeoutType.Sliding, null, dependentTypes.Select(t => GetMasterKey(t)));
_cache.Insert(key, value, cacheEvictionPolicy);
}
/// <summary>
/// Gets the personal product ids for the user.
/// </summary>
/// <returns>A list of object ids.</returns>
private IEnumerable <int> GetPersonalProductIds()
{
Guid contactId = PrincipalInfo.CurrentPrincipal.GetContactId();
string userCacheKey = GetUserCacheKey(userGuid: contactId);
CacheEvictionPolicy cacheEvictionPolicy = new CacheEvictionPolicy(new TimeSpan(0, 5, 0), timeoutType: CacheTimeoutType.Absolute);
List <int> productIdList = this.synchronizedObjectInstanceCache.Get(key: userCacheKey) as List <int>;
if (productIdList != null)
{
return(productIdList);
}
productIdList = new List <int>();
List <IPurchaseOrder> purchaseOrders =
this.orderRepository.Load <IPurchaseOrder>(customerId: contactId).ToList();
productIdList.AddRange(this.GetLineItemIds(orderGroups: purchaseOrders));
if (productIdList.Any())
{
this.synchronizedObjectInstanceCache.Insert(key: userCacheKey, productIdList.Distinct().ToList(), evictionPolicy: cacheEvictionPolicy);
return(productIdList.Distinct());
}
// If there are no orders yet, look in cart and wish-lists
List <ICart> carts = this.orderRepository.Load <ICart>(customerId: contactId).ToList();
productIdList.AddRange(this.GetLineItemIds(orderGroups: carts));
this.synchronizedObjectInstanceCache.Insert(key: userCacheKey, productIdList.Distinct().ToList(), evictionPolicy: cacheEvictionPolicy);
return(productIdList.Distinct());
}
protected virtual T CreateViewModel <T>(IContent currentContent, CommerceHomePage homePage, Customer.FoundationContact contact, bool isBookmarked)
where T : CommerceHeaderViewModel, new()
{
var menuItems = new List <MenuItemViewModel>();
var menuCached = CacheManager.Get(homePage.ContentLink.ID + Constant.CacheKeys.MenuItems) as List <MenuItemViewModel>;
if (menuCached != null)
{
menuItems = menuCached;
}
else
{
var menuItemBlocks = homePage.MainMenu?.FilteredItems.GetContentItems <MenuItemBlock>() ?? new List <MenuItemBlock>();
menuItems = menuItemBlocks?
.Select(_ => new MenuItemViewModel
{
Name = _.Name,
ButtonText = _.ButtonText,
TeaserText = _.TeaserText,
Uri = _.Link == null ? string.Empty : _urlResolver.GetUrl(new UrlBuilder(_.Link.ToString()), new UrlResolverArguments()
{
ContextMode = ContextMode.Default
}),
ImageUrl = !ContentReference.IsNullOrEmpty(_.MenuImage) ? _urlResolver.GetUrl(_.MenuImage) : "",
ButtonLink = _.ButtonLink?.Host + _.ButtonLink?.PathAndQuery,
ChildLinks = _.ChildItems?.ToList() ?? new List <GroupLinkCollection>()
}).ToList() ?? new List <MenuItemViewModel>();
var keyDependency = new List <string>();
keyDependency.Add(_contentCacheKeyCreator.CreateCommonCacheKey(homePage.ContentLink)); // If The HomePage updates menu (remove MenuItems)
foreach (var m in menuItemBlocks)
{
keyDependency.Add(_contentCacheKeyCreator.CreateCommonCacheKey((m as IContent).ContentLink));
}
var eviction = new CacheEvictionPolicy(TimeSpan.FromDays(1), CacheTimeoutType.Sliding, keyDependency);
CacheManager.Insert(homePage.ContentLink.ID + Constant.CacheKeys.MenuItems, menuItems, eviction);
}
return(new T
{
HomePage = homePage,
CurrentContentLink = currentContent?.ContentLink,
CurrentContentGuid = currentContent?.ContentGuid ?? Guid.Empty,
UserLinks = new LinkItemCollection(),
Name = contact?.FirstName ?? "",
IsBookmarked = isBookmarked,
MenuItems = menuItems,
LoginViewModel = new LoginViewModel
{
ResetPasswordPage = homePage.ResetPasswordPage
},
RegisterAccountViewModel = new RegisterAccountViewModel
{
Address = new AddressModel()
},
MobileNavigation = homePage.MobileNavigationPages,
});
}
public void Set <TObj>(string key, TObj obj, TimeSpan timeSpan, CacheDurationType cacheDuration)
{
if (obj != null && !string.IsNullOrEmpty(key))
{
var cacheEvictionPolicy = new CacheEvictionPolicy(timeSpan, _typeConveter[cacheDuration]);
_syncronizedObjectInstanceCache.Insert(key, obj, cacheEvictionPolicy);
_keyCache.Set(key, DateTime.Now.Add(timeSpan), timeSpan, cacheDuration);
}
}
public void Insert(string key, object value, TimeSpan timeToLive)
{
if (String.IsNullOrWhiteSpace(key))
{
return;
}
var evictionPolicy = new CacheEvictionPolicy(timeToLive, CacheTimeoutType.Absolute);
_log.Debug(evictionPolicy, ep => $"Key: {key}, Item: {value}, CacheKeys: {ep?.CacheKeys}, Type: {ep?.TimeoutType}, Seconds: {ep?.Expiration.Duration().TotalSeconds}");
_cacheManager.Insert(key, value, evictionPolicy);
}
public IEnumerable <string> GetLocations()
{
CacheEvictionPolicy policy = new CacheEvictionPolicy(TimeSpan.FromMinutes(2), CacheTimeoutType.Absolute);
if (!(CacheManager.Get(LocationsCacheKey) is List <string> items))
{
items = LocationsFromService();
CacheManager.Insert(LocationsCacheKey, items, policy);
}
return(items);
}
public THeaderViewModel CreateHeaderViewModel <THeaderViewModel>(IContent currentContent, CmsHomePage homePage)
where THeaderViewModel : HeaderViewModel, new()
{
var menuItems = new List <MenuItemViewModel>();
var menuCached = CacheManager.Get(homePage.ContentLink.ID + MenuCacheKey) as List <MenuItemViewModel>;
if (menuCached != null)
{
menuItems = menuCached;
}
else
{
var menuItemBlocks = homePage.MainMenu?.FilteredItems.GetContentItems <MenuItemBlock>();
menuItems = menuItemBlocks?
.Select(_ => new MenuItemViewModel
{
Name = _.Name,
ButtonText = _.ButtonText,
TeaserText = _.TeaserText,
Uri = _.Link == null ? string.Empty : _urlResolver.GetUrl(new UrlBuilder(_.Link.ToString()), new UrlResolverArguments()
{
ContextMode = ContextMode.Default
}),
ImageUrl = !ContentReference.IsNullOrEmpty(_.MenuImage) ? _urlResolver.GetUrl(_.MenuImage) : "",
ButtonLink = _.ButtonLink?.Host + _.ButtonLink?.PathAndQuery,
ChildLinks = _.ChildItems?.ToList() ?? new List <GroupLinkCollection>()
}).ToList() ?? new List <MenuItemViewModel>();
var keyDependency = new List <string>();
keyDependency.Add(_contentCacheKeyCreator.CreateCommonCacheKey(homePage.ContentLink)); // If The HomePage updates menu (remove MenuItems)
foreach (var m in menuItemBlocks)
{
keyDependency.Add(_contentCacheKeyCreator.CreateCommonCacheKey((m as IContent).ContentLink));
}
var eviction = new CacheEvictionPolicy(TimeSpan.FromDays(1), CacheTimeoutType.Sliding, keyDependency);
CacheManager.Insert(homePage.ContentLink.ID + MenuCacheKey, menuItems, eviction);
}
return(new THeaderViewModel
{
HomePage = homePage,
CurrentContentLink = currentContent?.ContentLink,
CurrentContentGuid = currentContent?.ContentGuid ?? Guid.Empty,
UserLinks = new LinkItemCollection(),
Name = PrincipalInfo.Current.Name,
MenuItems = menuItems,
MobileNavigation = homePage.MobileNavigationPages,
});
}
private bool GetSitemapData(SitemapData sitemapData)
{
int entryCount;
string userAgent = Request.ServerVariables["USER_AGENT"];
var isGoogleBot = userAgent != null &&
userAgent.IndexOf("Googlebot", StringComparison.InvariantCultureIgnoreCase) > -1;
string googleBotCacheKey = isGoogleBot ? "Google-" : string.Empty;
if (SitemapSettings.Instance.EnableRealtimeSitemap)
{
string cacheKey = googleBotCacheKey + _sitemapRepository.GetSitemapUrl(sitemapData);
var sitemapDataData = CacheManager.Get(cacheKey) as byte[];
if (sitemapDataData != null)
{
sitemapData.Data = sitemapDataData;
return(true);
}
if (_sitemapXmlGeneratorFactory.GetSitemapXmlGenerator(sitemapData).Generate(sitemapData, false, out entryCount))
{
if (SitemapSettings.Instance.EnableRealtimeCaching)
{
CacheEvictionPolicy cachePolicy;
if (isGoogleBot)
{
cachePolicy = new CacheEvictionPolicy(null, new[] { DataFactoryCache.VersionKey }, null, Cache.NoSlidingExpiration, CacheTimeoutType.Sliding);
}
else
{
cachePolicy = null;
}
CacheManager.Insert(cacheKey, sitemapData.Data, cachePolicy);
}
return(true);
}
return(false);
}
return(_sitemapXmlGeneratorFactory.GetSitemapXmlGenerator(sitemapData).Generate(sitemapData, !SitemapSettings.Instance.EnableRealtimeSitemap, out entryCount));
}
/// <summary>
/// <summary>Inserts an item in the cache.</summary>
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
/// <param name="expiration"></param>
/// <param name="cacheKeys">The dependencies to other cached items, idetified by their keys.</param>
/// <param name="masterKeys">The master keys that we depend upon. Master keys are used as markers to set up common dependencies without having to create the cache entries first.
///If you set up a master key dependency, there is no need for the corresponding entry to exist before adding
///something that depends on the master key.
/// The concept of master keys could be regarded as similar to the cache region concept, but using master keys
///allows you to have more than one, where cache regions is restricted to one per cached item - you can only
///place the item in one region.
/// </param>
public void Insert(string key, object value, TimeSpan expiration, List <string> cacheKeys, List <string> masterKeys)
{
if (value == null)
{
return;
}
if (masterKeys == null)
{
masterKeys = new List <string>();
}
if (cacheKeys == null)
{
cacheKeys = new List <string>();
}
CacheEvictionPolicy cacheEvictionPolicy;
if (!cacheKeys.Any() && !masterKeys.Any())
{
cacheEvictionPolicy = new CacheEvictionPolicy(expiration, CacheTimeoutType.Absolute);
}
else if (masterKeys.Any() && !cacheKeys.Any())
{
cacheEvictionPolicy = new CacheEvictionPolicy(expiration, CacheTimeoutType.Absolute, null, masterKeys.Select(k =>
$"{_keyPrefixDependency}{k}"));
}
else if (!masterKeys.Any() && cacheKeys.Any())
{
cacheEvictionPolicy = new CacheEvictionPolicy(expiration, CacheTimeoutType.Absolute, cacheKeys.Select(k =>
$"{_keyPrefixDependency}{k}"));
}
else if (masterKeys.Any() && cacheKeys.Any())
{
cacheEvictionPolicy = new CacheEvictionPolicy(expiration, CacheTimeoutType.Absolute, cacheKeys.Select(k =>
$"{_keyPrefixDependency}{k}"), masterKeys.Select(k =>
$"{_keyPrefixDependency}{k}"));
}
else
{
cacheEvictionPolicy = new CacheEvictionPolicy(expiration, CacheTimeoutType.Absolute);
}
var internalKey = _cacheKeyPrefix + key;
_cacheManager.Insert(internalKey, value, cacheEvictionPolicy);
}
private bool GetSitemapData(SitemapData sitemapData)
{
int entryCount;
string userAgent = Request.ServerVariables["USER_AGENT"];
var isGoogleBot = userAgent != null &&
userAgent.IndexOf("Googlebot", StringComparison.InvariantCultureIgnoreCase) > -1;
string googleBotCacheKey = isGoogleBot ? "Google-" : string.Empty;
if (SitemapSettings.Instance.EnableRealtimeSitemap)
{
string cacheKey = googleBotCacheKey + _sitemapRepository.GetSitemapUrl(sitemapData);
var sitemapDataData = CacheManager.Get(cacheKey) as byte[];
if (sitemapDataData != null)
{
sitemapData.Data = sitemapDataData;
return true;
}
if (_sitemapXmlGeneratorFactory.GetSitemapXmlGenerator(sitemapData).Generate(sitemapData, false, out entryCount))
{
if (SitemapSettings.Instance.EnableRealtimeCaching)
{
CacheEvictionPolicy cachePolicy;
if (isGoogleBot)
{
cachePolicy = new CacheEvictionPolicy(null, new[] {DataFactoryCache.VersionKey}, null, Cache.NoSlidingExpiration, CacheTimeoutType.Sliding);
}
else
{
cachePolicy = null;
}
CacheManager.Insert(cacheKey, sitemapData.Data, cachePolicy);
}
return true;
}
return false;
}
return _sitemapXmlGeneratorFactory.GetSitemapXmlGenerator(sitemapData).Generate(sitemapData, !SitemapSettings.Instance.EnableRealtimeSitemap, out entryCount);
}
/// <summary>
/// Creates a new in-memory cache
/// </summary>
/// <param name="cacheSize">The maximum size of the cache in bytes</param>
/// <param name="cacheEvictionPolicy">The eviction policy to use to maintain the cache size</param>
/// <param name="highwaterMark">The cache size (in bytes) that will trigger the cache eviction policy to run</param>
/// <param name="lowwaterMark">The cache size (in bytes) that the eviction policy will attempt to achieve when it is run</param>
public MemoryCache(long cacheSize, ICacheEvictionPolicy cacheEvictionPolicy, long highwaterMark = 0, long lowwaterMark = 0) : base(cacheSize, cacheEvictionPolicy, highwaterMark, lowwaterMark)
{
_cache = new ConcurrentDictionary <string, MemoryCacheEntry>();
CacheEvictionPolicy.Initialize(this);
}
/* * Each of the following simply returns the result of the default Episerver cache methods. * But illustrates how much can be overridden if, for example, you wanted to use a distributed cache provider. */ public void Insert(string key, object value, CacheEvictionPolicy evictionPolicy) => _defaultCache.Insert(key, value, evictionPolicy);
public THeaderViewModel CreateHeaderViewModel <THeaderViewModel>(IContent currentContent, CmsHomePage homePage)
where THeaderViewModel : HeaderViewModel, new()
{
var menuItems = new List <MenuItemViewModel>();
var homeLanguage = homePage.Language.DisplayName;
menuItems = homePage.MainMenu?.FilteredItems.Select(x =>
{
var itemCached = CacheManager.Get(x.ContentLink.ID + homeLanguage + ":" + MenuCacheKey) as MenuItemViewModel;
if (itemCached != null && !PageEditing.PageIsInEditMode)
{
return(itemCached);
}
else
{
var content = _contentLoader.Get <IContent>(x.ContentLink);
MenuItemBlock _;
MenuItemViewModel menuItem;
if (content is MenuItemBlock)
{
_ = content as MenuItemBlock;
menuItem = new MenuItemViewModel
{
Name = _.Name,
ButtonText = _.ButtonText,
TeaserText = _.TeaserText,
Uri = _.Link == null ? string.Empty : _urlResolver.GetUrl(new UrlBuilder(_.Link.ToString()), new UrlResolverArguments()
{
ContextMode = ContextMode.Default
}),
ImageUrl = !ContentReference.IsNullOrEmpty(_.MenuImage) ? _urlResolver.GetUrl(_.MenuImage) : "",
ButtonLink = _.ButtonLink?.Host + _.ButtonLink?.PathAndQuery,
ChildLinks = _.ChildItems?.ToList() ?? new List <GroupLinkCollection>()
};
}
else
{
menuItem = new MenuItemViewModel
{
Name = content.Name,
Uri = _urlResolver.GetUrl(content.ContentLink),
ChildLinks = new List <GroupLinkCollection>()
};
}
if (!PageEditing.PageIsInEditMode)
{
var keyDependency = new List <string>
{
_contentCacheKeyCreator.CreateCommonCacheKey(homePage.ContentLink), // If The HomePage updates menu (remove MenuItems)
_contentCacheKeyCreator.CreateCommonCacheKey(x.ContentLink)
};
var eviction = new CacheEvictionPolicy(TimeSpan.FromDays(1), CacheTimeoutType.Sliding, keyDependency);
CacheManager.Insert(x.ContentLink.ID + homeLanguage + ":" + MenuCacheKey, menuItem, eviction);
}
return(menuItem);
}
}).ToList();
return(new THeaderViewModel
{
HomePage = homePage,
CurrentContentLink = currentContent?.ContentLink,
CurrentContentGuid = currentContent?.ContentGuid ?? Guid.Empty,
UserLinks = new LinkItemCollection(),
Name = PrincipalInfo.Current.Name,
MenuItems = menuItems,
IsReadonlyMode = _databaseMode.DatabaseMode == DatabaseMode.ReadOnly
});
}
protected virtual T CreateViewModel <T>(IContent currentContent, CommerceHomePage homePage, Customer.FoundationContact contact, bool isBookmarked)
where T : CommerceHeaderViewModel, new()
{
var menuItems = new List <MenuItemViewModel>();
var homeLanguage = homePage.Language.DisplayName;
menuItems = homePage.MainMenu?.FilteredItems.Select(x =>
{
var itemCached = CacheManager.Get(x.ContentLink.ID + homeLanguage + ":" + Constant.CacheKeys.MenuItems) as MenuItemViewModel;
if (itemCached != null && !PageEditing.PageIsInEditMode)
{
return(itemCached);
}
else
{
var content = _contentLoader.Get <IContent>(x.ContentLink);
MenuItemBlock _;
MenuItemViewModel menuItem;
if (content is MenuItemBlock)
{
_ = content as MenuItemBlock;
menuItem = new MenuItemViewModel
{
Name = _.Name,
ButtonText = _.ButtonText,
TeaserText = _.TeaserText,
Uri = _.Link == null ? string.Empty : _urlResolver.GetUrl(new UrlBuilder(_.Link.ToString()), new UrlResolverArguments()
{
ContextMode = ContextMode.Default
}),
ImageUrl = !ContentReference.IsNullOrEmpty(_.MenuImage) ? _urlResolver.GetUrl(_.MenuImage) : "",
ButtonLink = _.ButtonLink?.Host + _.ButtonLink?.PathAndQuery,
ChildLinks = _.ChildItems?.ToList() ?? new List <GroupLinkCollection>()
};
}
else
{
menuItem = new MenuItemViewModel
{
Name = content.Name,
Uri = _urlResolver.GetUrl(content.ContentLink),
ChildLinks = new List <GroupLinkCollection>()
};
}
if (!PageEditing.PageIsInEditMode)
{
var keyDependency = new List <string>();
keyDependency.Add(_contentCacheKeyCreator.CreateCommonCacheKey(homePage.ContentLink)); // If The HomePage updates menu (remove MenuItems)
keyDependency.Add(_contentCacheKeyCreator.CreateCommonCacheKey(x.ContentLink));
var eviction = new CacheEvictionPolicy(TimeSpan.FromDays(1), CacheTimeoutType.Sliding, keyDependency);
CacheManager.Insert(x.ContentLink.ID + homeLanguage + ":" + Constant.CacheKeys.MenuItems, menuItem, eviction);
}
return(menuItem);
}
}).ToList();
return(new T
{
HomePage = homePage,
CurrentContentLink = currentContent?.ContentLink,
CurrentContentGuid = currentContent?.ContentGuid ?? Guid.Empty,
UserLinks = new LinkItemCollection(),
Name = contact?.FirstName ?? "",
IsBookmarked = isBookmarked,
IsReadonlyMode = _databaseMode.DatabaseMode == DatabaseMode.ReadOnly,
MenuItems = menuItems ?? new List <MenuItemViewModel>(),
LoginViewModel = new LoginViewModel
{
ResetPasswordPage = homePage.ResetPasswordPage
},
RegisterAccountViewModel = new RegisterAccountViewModel
{
Address = new AddressModel()
},
});
}
