/// <summary>
/// Returns DefinedValue object from cache. If definedValue does not already exist in cache, it
/// will be read and added to cache
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public static DefinedValueCache Read(int id)
{
string cacheKey = DefinedValueCache.CacheKey(id);
ObjectCache cache = MemoryCache.Default;
DefinedValueCache definedValue = cache[cacheKey] as DefinedValueCache;
if (definedValue != null)
{
return(definedValue);
}
else
{
Rock.Model.DefinedValueService definedValueService = new Rock.Model.DefinedValueService();
Rock.Model.DefinedValue definedValueModel = definedValueService.Get(id);
if (definedValueModel != null)
{
definedValue = CopyModel(definedValueModel);
cache.Set(cacheKey, definedValue, new CacheItemPolicy());
return(definedValue);
}
else
{
return(null);
}
}
}
/// <summary>
/// Adds or updates an item in cache.
/// </summary>
/// <param name="key">The key.</param>
/// <param name="region">The region.</param>
/// <param name="obj">The object.</param>
/// <param name="expiration">The expiration.</param>
/// <param name="cacheTags">The cache tags.</param>
public static void AddOrUpdate(string key, string region, object obj, TimeSpan expiration, string cacheTags)
{
if (region.IsNotNullOrWhiteSpace())
{
RockCacheManager <object> .Instance.AddOrUpdate(key, region, obj, expiration);
AddOrUpdateObjectCacheKey(region, key);
}
else
{
RockCacheManager <object> .Instance.AddOrUpdate(key, obj, expiration);
AddOrUpdateObjectCacheKey(region, key);
}
if (cacheTags.IsNotNullOrWhiteSpace())
{
// trim the results since the tag name could come from lava and not from a prevalidated value stored in DefinedValue.
var cacheTagList = cacheTags.Split(',').Select(t => t.Trim());
foreach (var cacheTag in cacheTagList)
{
// Don't save the tag if it is not valid.
int cacheTagDefinedTypeId = DefinedTypeCache.Get(Rock.SystemGuid.DefinedType.CACHE_TAGS).Id;
Rock.Model.DefinedValueService definedValueService = new Rock.Model.DefinedValueService(new Rock.Data.RockContext());
var validCacheTags = definedValueService.Queryable().Where(v => v.DefinedTypeId == cacheTagDefinedTypeId && v.Value == cacheTag).ToList();
if (validCacheTags.Count == 0)
{
return;
}
var value = RockCacheManager <List <string> > .Instance.Get(cacheTag, CACHE_TAG_REGION_NAME) ?? new List <string>();
if (!value.Contains(key))
{
value.Add(key);
RockCacheManager <List <string> > .Instance.AddOrUpdate(cacheTag, CACHE_TAG_REGION_NAME, value);
_stringCacheKeyReferences.Add(new CacheKeyReference {
Key = cacheTag, Region = region
});
}
}
}
}
