Gemstone Common Library
Memory
Gets or adds a value, based on result of valueFactory, to the memory cache.
Definition
Namespace: Gemstone.Caching
Assembly: Gemstone.Common (in Gemstone.Common.dll) Version: 1.0.171 -- Release Build+4f4d518944b843c059d40b523747cd410a7c216d
Value from cache if already cached; otherwise, new value generated by valueFactory.
Assembly: Gemstone.Common (in Gemstone.Common.dll) Version: 1.0.171 -- Release Build+4f4d518944b843c059d40b523747cd410a7c216d
C#
public static T GetOrAdd(
string cacheName,
double expirationTime,
Func<T> valueFactory,
CacheEntryRemovedCallback? removedCallBack = null
)VB
Public Shared Function GetOrAdd (
cacheName As String,
expirationTime As Double,
valueFactory As Func(Of T),
Optional removedCallBack As CacheEntryRemovedCallback = Nothing
) As TC++
public:
static T GetOrAdd(
String^ cacheName,
double expirationTime,
Func<T>^ valueFactory,
CacheEntryRemovedCallback^ removedCallBack = nullptr
)JavaScript
Gemstone.Caching.MemoryCache.GetOrAdd = function(cacheName, expirationTime, valueFactory, removedCallBack);Parameters
- cacheName String
- Name to use as cache key -- this should be unique per T.
- expirationTime Double
- Expiration time, in minutes, for cached value.
- valueFactory FuncT
- Function to generate value to add to cache -- only called if value is not already cached.
- removedCallBack CacheEntryRemovedCallback (Optional)
- Optional function to call when cache entry is removed.
Return Value
TValue from cache if already cached; otherwise, new value generated by valueFactory.