/// <summary>
/// Salva o estado.
/// </summary>
void IPersistentCacheStorage.SaveStorageState()
{
try
{
if (_stateChangeId != 0)
{
string path = Path.Combine(_internalStore.RootDir, "__cfs__.state");
lock (_itemDict)
{
using (Stream stream = new FileStream(path, FileMode.Create))
{
var writer = new BinaryWriter(stream);
writer.Write(_itemDict.Count);
IDictionaryEnumerator enumerator = _itemDict.GetEnumerator();
while (enumerator.MoveNext())
{
try
{
byte[] buffer = StoreItem.ToBinary(enumerator.Key, enumerator.Value, base.CacheContext);
writer.Write(buffer.Length);
writer.Write(buffer);
continue;
}
catch (Exception)
{
writer.Write(-1);
continue;
}
}
writer.Flush();
}
}
}
}
catch (Exception exception)
{
Colosoft.Logging.Trace.Error("FileSystemStorageProvider.SaveStorageState()".GetFormatter(), exception.GetFormatter());
}
finally
{
this.ResetStateChanged();
}
}
/// <summary>
/// Adiciona 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 StoreAddResult Add(object key, object item)
{
try
{
if (_itemDict.ContainsKey(key))
{
return(StoreAddResult.KeyExists);
}
StorageProviderBase.StoreStatus status = base.HasSpace((ISizable)item);
if (status == StorageProviderBase.StoreStatus.HasNotEnoughSpace)
{
return(StoreAddResult.NotEnoughSpace);
}
byte[] buffer = StoreItem.ToBinary(key, item, base.CacheContext);
lock (_itemDict.SyncRoot)
{
MmfObjectPtr ptr = _internalStore.Add(buffer);
if (ptr == null)
{
return(StoreAddResult.NotEnoughSpace);
}
ptr.View.ParentStorageProvider = this;
_itemDict.Add(key, ptr);
base.Added(item as ISizable);
}
if (status == StorageProviderBase.StoreStatus.NearEviction)
{
return(StoreAddResult.SuccessNearEviction);
}
}
catch (OutOfMemoryException exception)
{
Trace.Error("OutofMemoryException::MmfStorageProvider.Add()".GetFormatter(), exception.GetFormatter());
return(StoreAddResult.NotEnoughSpace);
}
catch (Exception exception2)
{
Trace.Error("General Exception::MmfStorageProvider.Add()".GetFormatter(), exception2.GetFormatter());
return(StoreAddResult.Failure);
}
return(StoreAddResult.Success);
}
/// <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);
}