/// <summary>
/// Carrega o estado do armazenamento.
/// </summary>
void IPersistentCacheStorage.LoadStorageState()
{
try
{
lock (_itemDict.SyncRoot)
{
_itemDict.Clear();
IEnumerator enumerator = _internalStore.GetEnumerator();
while (enumerator.MoveNext())
{
MemArea current = (MemArea)enumerator.Current;
if (!current.IsFree)
{
StoreItem item = StoreItem.FromBinary(current.GetMemContents(), base.CacheContext);
_itemDict.Add(item.Key, new MmfObjectPtr(current.View, current));
}
}
}
}
catch (Exception exception)
{
Trace.Error("MmfStorageProvider.IPersistentCacheStorage()".GetFormatter(), exception.GetFormatter());
}
}
/// <summary>
/// Salva a chave o valor informados em um buffer.
/// </summary>
/// <param name="key">Chave do item.</param>
/// <param name="val">Valor do item.</param>
/// <param name="cacheContext"></param>
/// <returns></returns>
public static byte[] ToBinary(object key, object val, string cacheContext)
{
StoreItem graph = new StoreItem(key, val);
return(CompactBinaryFormatter.ToByteBuffer(graph, cacheContext));
}
/// <summary>
/// Insere um novo item.
/// </summary>
/// <param name="key">Chave do item.</param>
/// <param name="item">Instancia do item.</param>
/// <returns>Resultado da operação.</returns>
public override StoreInsResult Insert(object key, object item)
{
StoreInsResult notEnoughSpace;
try
{
MmfObjectPtr info = (MmfObjectPtr)_itemDict[key];
object obj2 = null;
if (info == null)
{
switch (this.Add(key, item))
{
case StoreAddResult.NotEnoughSpace:
return(StoreInsResult.NotEnoughSpace);
case StoreAddResult.Failure:
return(StoreInsResult.Failure);
}
return(StoreInsResult.Success);
}
obj2 = this.Get(key);
StorageProviderBase.StoreStatus status = base.HasSpace(obj2 as ISizable, (ISizable)item);
if (status == StorageProviderBase.StoreStatus.HasNotEnoughSpace)
{
notEnoughSpace = StoreInsResult.NotEnoughSpace;
}
else
{
byte[] buffer = StoreItem.ToBinary(key, item, base.CacheContext);
lock (_itemDict.SyncRoot)
{
MmfObjectPtr ptr2 = _internalStore.Insert(info, buffer);
if (ptr2 == null)
{
return(StoreInsResult.NotEnoughSpace);
}
if (ptr2.Area != info.Area)
{
_itemDict[key] = ptr2;
_internalStore.Remove(info);
}
base.Inserted(obj2 as ISizable, item as ISizable);
if (status == StorageProviderBase.StoreStatus.NearEviction)
{
return((obj2 != null) ? StoreInsResult.SuccessOverwriteNearEviction : StoreInsResult.SuccessNearEviction);
}
notEnoughSpace = (ptr2 != null) ? StoreInsResult.SuccessOverwrite : StoreInsResult.Success;
}
}
}
catch (OutOfMemoryException exception)
{
Trace.Error("MmfStorageProvider.Insert()".GetFormatter(), exception.GetFormatter());
notEnoughSpace = StoreInsResult.NotEnoughSpace;
}
catch (Exception exception2)
{
Trace.Error("MmfStorageProvider.Insert()".GetFormatter(), exception2.GetFormatter());
notEnoughSpace = StoreInsResult.Failure;
}
return(notEnoughSpace);
}
