public bool InsertWithReleaseLock(string key, object value, object lockHandle, Expiration expiration)
{
if (!Loaded)
return false;
if (value is byte[])
value = new ByteArray((byte[])value);
CacheItem item = CreateCacheItem(value, expiration);
LockHandle handle = lockHandle as LockHandle;
try
{
cache.Insert(key, item, handle, true);
return true;
}
catch(Exception ex)
{
FileBasedTraceProvider.Current.WriteTrace(TraceSeverity.Exception, "Could not add item to cache due to exception: {0}", ex.Message);
return false;
}
}
CacheItem CreateCacheItem(object value, Expiration expiration)
{
DateTime absolute = Cache.NoAbsoluteExpiration;
TimeSpan sliding = Cache.NoSlidingExpiration;
if (expiration != null)
{
switch (expiration.ExpirationType)
{
case ExpirationType.Absolute:
absolute = DateTime.Now.AddMinutes(expiration.Duration);
break;
case ExpirationType.Sliding:
sliding = TimeSpan.FromMinutes(expiration.Duration);
break;
}
}
CacheItem item = new CacheItem(value);
item.AbsoluteExpiration = absolute;
item.SlidingExpiration = sliding;
return item;
}
public bool Insert(string key, object value, Expiration expiration)
{
CacheItem cacheItem = CreateCacheItem(value, expiration);
if (!Loaded)
return false;
else
{
cache.Insert(key, cacheItem);
return true;
}
}