public override object Add(string key, object value, CacheItemBaseDependency[] dependencies, DateTime absoluteExpiration, TimeSpan slidingExpiration, CacheBaseItem.PriorityLevel priority, CacheRemovedCallback onRemoveCallback)
{
CacheItemPriority aspnetPriority;
switch (priority)
{
case CacheBaseItem.PriorityLevel.Low:
aspnetPriority = CacheItemPriority.Low;
break;
case CacheBaseItem.PriorityLevel.BelowNormal:
aspnetPriority = CacheItemPriority.BelowNormal;
break;
case CacheBaseItem.PriorityLevel.Normal:
aspnetPriority = CacheItemPriority.Normal;
break;
case CacheBaseItem.PriorityLevel.AboveNormal:
aspnetPriority = CacheItemPriority.AboveNormal;
break;
case CacheBaseItem.PriorityLevel.High:
aspnetPriority = CacheItemPriority.High;
break;
case CacheBaseItem.PriorityLevel.NotRemovable:
aspnetPriority = CacheItemPriority.NotRemovable;
break;
default:
throw new Exception("Unknown CacheBaseItem.PriorityLevel " + priority);
}
CacheDependency dependency = null;
if (dependencies != null)
{
foreach (var d in dependencies)
{
if (d is CacheItemFilesDependency)
{
dependency = new CacheDependency(((CacheItemFilesDependency)d).Files);
}
else if (d is CacheItemKeysDependency)
{
dependency = new CacheDependency(null, ((CacheItemKeysDependency)d).Keys);
}
}
}
return(this.Cache.Add(
key,
value,
dependency,
absoluteExpiration,
slidingExpiration,
aspnetPriority,
onRemoveCallback == null ? null : new CacheItemRemovedCallback((k, v, r) =>
{
CacheRemovedReason reason;
switch (r)
{
case CacheItemRemovedReason.Removed:
reason = CacheRemovedReason.Removed;
break;
case CacheItemRemovedReason.DependencyChanged:
reason = CacheRemovedReason.DependencyChanged;
break;
case CacheItemRemovedReason.Expired:
reason = CacheRemovedReason.Expired;
break;
case CacheItemRemovedReason.Underused:
reason = CacheRemovedReason.Underused;
break;
default:
throw new Exception("Unknown CacheRemovedReason " + r);
}
onRemoveCallback(k, v, reason);
})
));
}
public abstract object Add(string key, object value, CacheItemBaseDependency[] dependencies, DateTime absoluteExpiration, TimeSpan slidingExpiration, CacheBaseItem.PriorityLevel priority, CacheRemovedCallback onRemoveCallback);
public override object Add(string key, object value, CacheItemBaseDependency[] dependencies, DateTime absoluteExpiration, TimeSpan slidingExpiration, CacheBaseItem.PriorityLevel priority, CacheRemovedCallback onRemoveCallback)
{
var policy = new CacheItemPolicy();
switch (priority)
{
case CacheBaseItem.PriorityLevel.Low:
case CacheBaseItem.PriorityLevel.BelowNormal:
case CacheBaseItem.PriorityLevel.Normal:
case CacheBaseItem.PriorityLevel.AboveNormal:
case CacheBaseItem.PriorityLevel.High:
policy.Priority = System.Runtime.Caching.CacheItemPriority.Default;
break;
case CacheBaseItem.PriorityLevel.NotRemovable:
policy.Priority = CacheItemPriority.NotRemovable;
break;
default:
throw new Exception("Unknown CacheBaseItem.PriorityLevel " + priority);
}
if (absoluteExpiration != CacheManager.NoAbsoluteExpiration)
{
policy.AbsoluteExpiration = absoluteExpiration;
}
if (slidingExpiration != CacheManager.NoSlidingExpiration)
{
policy.SlidingExpiration = slidingExpiration;
}
if (dependencies != null)
{
foreach (var d in dependencies)
{
if (d is CacheItemFilesDependency)
{
var filesMonitor = new HostFileChangeMonitor(((CacheItemFilesDependency)d).Files);
policy.ChangeMonitors.Add(filesMonitor);
}
else if (d is CacheItemKeysDependency)
{
policy.ChangeMonitors.Add(this.Cache.CreateCacheEntryChangeMonitor(((CacheItemKeysDependency)d).Keys));
}
}
}
if (onRemoveCallback != null)
{
policy.RemovedCallback = new CacheEntryRemovedCallback((a) =>
{
CacheRemovedReason reason;
switch (a.RemovedReason)
{
case CacheEntryRemovedReason.Removed:
reason = CacheRemovedReason.Removed;
break;
case CacheEntryRemovedReason.ChangeMonitorChanged:
reason = CacheRemovedReason.DependencyChanged;
break;
case CacheEntryRemovedReason.Expired:
reason = CacheRemovedReason.Expired;
break;
case CacheEntryRemovedReason.Evicted:
case CacheEntryRemovedReason.CacheSpecificEviction:
reason = CacheRemovedReason.Underused;
break;
default:
throw new Exception("Unknown CacheRemovedReason " + a.RemovedReason);
}
onRemoveCallback(a.CacheItem.Key, a.CacheItem.Value, reason);
});
}
return(this.Cache.Add(key, value, policy));
}
