/// <summary>
/// Invokes the refresh action on a thread pool thread
/// </summary>
/// <param name="removedCacheItem">Cache item being removed. Must never be null.</param>
/// <param name="removalReason">The reason the item was removed.</param>
/// <param name="instrumentationProvider">The instrumentation provider.</param>
public static void InvokeRefreshAction(CacheItem removedCacheItem, CacheItemRemovedReason removalReason, ICachingInstrumentationProvider instrumentationProvider)
{
if (removedCacheItem == null)
{
throw new ArgumentNullException("removedCacheItem");
}
if (instrumentationProvider == null)
{
throw new ArgumentNullException("instrumentationProvider");
}
if (removedCacheItem.RefreshAction == null)
{
return;
}
try
{
RefreshActionData refreshActionData =
new RefreshActionData(removedCacheItem.RefreshAction, removedCacheItem.Key, removedCacheItem.Value, removalReason, instrumentationProvider);
refreshActionData.InvokeOnThreadPoolThread();
}
catch (Exception e)
{
instrumentationProvider.FireCacheFailed(Resources.FailureToSpawnUserSpecifiedRefreshAction, e);
}
}
internal void BackgroundWork(Action work)
{
try
{
lock (scavengeExpireLock)
{
work();
}
}
catch (Exception e)
{
instrumentationProvider.FireCacheFailed(Resources.BackgroundSchedulerProducerConsumerQueueFailure, e);
}
}
private bool RemoveItemFromCache(CacheItem itemToRemove)
{
lock (itemToRemove)
{
if (itemToRemove.EligibleForScavenging)
{
try
{
cacheOperations.RemoveItemFromCache(itemToRemove.Key, CacheItemRemovedReason.Scavenged);
return(true);
}
catch (Exception e)
{
instrumentationProvider.FireCacheFailed(Resources.FailureToRemoveCacheItemInBackground, e);
}
}
}
return(false);
}
/// <summary>
/// Вызов рефреша в нити
/// </summary>
/// <param name="removedCacheItem">Удаляемый кэш-элемент. Не null.</param>
/// <param name="removalReason">Причина удаления.</param>
/// <param name="instrumentationProvider"></param>
public static void InvokeRefreshAction(CacheItem removedCacheItem, CacheItemRemovedReason removalReason, ICachingInstrumentationProvider instrumentationProvider)
{
if (removedCacheItem == null) throw new ArgumentNullException("removedCacheItem");
if (instrumentationProvider == null) throw new ArgumentNullException("instrumentationProvider");
if (removedCacheItem.RefreshAction == null)
{
return;
}
try
{
var refreshActionData = new RefreshActionData(removedCacheItem.RefreshAction, removedCacheItem.Key, removedCacheItem.Value, removalReason, instrumentationProvider);
refreshActionData.InvokeOnThreadPoolThread();
}
catch (Exception e)
{
instrumentationProvider.FireCacheFailed(Resources.FailureToSpawnUserSpecifiedRefreshAction, e);
}
}
private bool RemoveItemFromCache(CacheItem itemToRemove)
{
bool expired = false;
lock (itemToRemove)
{
if (itemToRemove.WillBeExpired)
{
try
{
expired = true;
cacheOperations.RemoveItemFromCache(itemToRemove.Key, CacheItemRemovedReason.Expired);
}
catch (Exception e)
{
instrumentationProvider.FireCacheFailed(Resources.FailureToRemoveCacheItemInBackground, e);
}
}
}
return(expired);
}