sample code

stuff.cs

private T HandleItemCacheRetrieval<T>(string cacheKey, object cacheLock, Func<T> nonCachedMethod)
{
	T retVal = default(T);
	try
	{
		retVal = (T) Get(cacheKey);
	}
	catch (InvalidCastException ex) //it didn’t parse properly
	{
		LoggerManager.Error(ex);
	}
	if (retVal == null)
	{
		lock (cacheLock)
		{
			try
			{
				retVal = (T) Get(cacheKey); //make sure it’s still null (i.e. it didn’t get written while lock was being applied)
			}
			catch (InvalidCastException ex1) //it didn’t parse properly
			{
				LoggerManager.Error(ex1);
			}
			retVal = nonCachedMethod();

			if (retVal != null)
			{
				Insert(cacheKey, retVal, _cacheLengthInSeconds);
			}
		}
	}
	return retVal;
}