private static void IsEmpty(CachePartition p)
{
var stats = p.GetStatistics();
stats.Should()
.BeEquivalentTo(new CacheStatistics(p.DisplayName, 0, 0, 0, 0));
}
/// <summary>
/// Creates <see cref="CachePartition"/> in <see cref="SqlServerDistributedCacheStore"/> using <see cref="CachePartitionDefinition"/>
/// </summary>
/// <returns><see cref="CachePartition"/> object created in <see cref="SqlServerDistributedCacheStore"/></returns>
public ICachePartition CreatePartition(CachePartitionDefinition cachePartitionInfo)
{
ICachePartition cachePartition = new CachePartition(cachePartitionInfo.Name, cachePartitionInfo.AbsoluteExpiration,
cachePartitionInfo.AbsoluteExpirationRelativeToNow, cachePartitionInfo.SlidingExpiration,
new DistributedCache(new ExtendedSqlServerCache(Options.Create(CacheOptions)),
this), cachePartitionInfo.Priority, cachePartitionInfo.Size);
CachePartitions[cachePartitionInfo.Name] = cachePartition;
return(cachePartition);
}
public T GetItems <T, K>(string key, CachePartition partition, Func <T> getUncachedItems, Func <K, IEnumerable <ICacheEntity> > getDependencies)
where T : IEnumerable <K>
{
HttpContext context = HttpContext.Current;
string fullKey = partition != null ? key + partition.ToString() : key;
T cacheItem = (T)context.Cache[fullKey];
if (cacheItem != null)
{
return(cacheItem);
}
T items = getUncachedItems();
if (items != null)
{
insert(context, fullKey, items);
// partitions
if (partition != null)
{
CacheDependencyList partitionList = context.Cache[key] as CacheDependencyList;
if (partitionList == null)
{
insert(context, key, partitionList = new CacheDependencyList());
}
string keyAndPartition = key + partition.ToString();
if (!partitionList.Contains(keyAndPartition))
{
partitionList.Add(keyAndPartition);
}
}
// dependencies
if (getDependencies != null)
{
if (items.Count() > 0)
{
foreach (K item in items)
{
// add dependencies for each item
foreach (ICacheEntity dependency in getDependencies(item))
{
cacheDependency(key, context, dependency);
}
}
}
else
{
// allow the caller to add dependencies for dependent objects even though no items were found
foreach (ICacheEntity dependency in getDependencies(default(K)))
{
cacheDependency(key, context, dependency);
}
}
}
}
return(items);
}
public static bool CreateEntry <T>(this CachePartition cache, IPartitionObjectKey key, T value, Action <ICacheEntry> configureEntry = null)
{
return(cache.CreateEntry(key, value, cache.ClearCacheTokenSource, 10, null, configureEntry));
}
