internal object InternalExcecute(Expression expression, Func <object> getValue)
{
var cacheKey = _cacheKey ?? ExpressionKeyGenerator.GetKey(expression);
// Query cache.
object cachedValue;
var isCached = _container.Get(cacheKey, out cachedValue);
if (isCached)
{
// Return item from cache.
_invalidator.OnCacheHit(_container, _query, cacheKey, cachedValue);
return(cachedValue);
}
// If not cached, cache item.
_invalidator.OnCacheMiss(_container, _query, cacheKey);
var value = getValue();
// Cache item.
if (_container.SupportsDurationInvalidation && _invalidator.UsesDuration)
{
_container.Set(cacheKey, value, _invalidator.Duration);
}
else
{
_container.Set(cacheKey, value);
}
_invalidator.OnCacheRefresh(_container, _query, cacheKey, value);
return(value);
}
internal void Invalidate()
{
var cacheKey = _cacheKey ?? ExpressionKeyGenerator.GetKey(_query.Expression);
_container.Delete(cacheKey);
}