private void ReuseCacheFromPool()
{
// todo: include InstanceId to the cacheId...
string cacheId = string.Format("{0}{1}", File.Filename, GetId());
ICollectionCache cache = CachePoolManager.GetCache(cacheId);
if (cache == null)
{
CachePoolManager.SetCache(cacheId, this);
}
else
{
MruManager = cache.MruManager;
Blocks = cache.Blocks;
MruManager.SetDataStores(this, DataBlockDriver);
}
}
public VirtualStore(string name, int mruMinCapacity = 4500, int mruMaxCapacity = 6000)
{
if (mruMinCapacity < 7)
{
mruMinCapacity = 7;
}
if (mruMaxCapacity < 10)
{
mruMaxCapacity = 10;
}
if (mruMinCapacity >= mruMaxCapacity)
{
mruMinCapacity = (int)(mruMaxCapacity * .75);
}
// todo: change to use ConcurrentMruManager ? for concurrency.
MruManager = new MruManager(mruMinCapacity, mruMaxCapacity, new CacheKeyComparer());
MruManager.SetDataStores(this, null);
_name = name;
}
/// <summary>
/// Initialize. NOTE: this function doesn't open the file.
/// </summary>
/// <param name="file"></param>
/// <param name="parameters"> </param>
protected internal virtual void Initialize(File.IFile file, params KeyValuePair <string, object>[] parameters)
{
if (file == null)
{
throw new ArgumentNullException("file");
}
if (transaction == null ||
(transaction is Transaction.Transaction &&
((Transaction.Transaction)transaction).Server != file.Server))
{
Transaction.ITransactionLogger trans = file.Transaction;
if (trans != null)
{
trans = ((Transaction.TransactionBase)trans).GetLeafChild();
}
if (trans == null ||
trans is Transaction.Transaction)
{
transaction = trans;
}
}
if (string.IsNullOrEmpty(this.Name))
{
var f = new FileInfo(file.Filename);
Name = string.Format("{0} Collection {1}", f.Name, ((Sop.OnDisk.File.File)file).GetNewStoreId());
}
if (MruMinCapacity == 0)
{
MruMinCapacity = file.Profile.MruMinCapacity;
}
if (MruMaxCapacity == 0)
{
MruMaxCapacity = file.Profile.MruMaxCapacity;
}
if (File == null)
{
File = file;
}
if (DataBlockSize == DataBlockSize.Unknown)
{
DataBlockSize = file.DataBlockSize;
}
HeaderData hd = null;
if (parameters != null && parameters.Length > 0)
{
foreach (KeyValuePair <string, object> o in parameters)
{
switch (o.Key)
{
case "HasMruSegments":
break;
case "HeaderData":
hd = (HeaderData)o.Value;
break;
default:
if (o.Key == "DataBlockDriver" && o.Value != null)
{
DataBlockDriver = (IDataBlockDriver)o.Value;
}
break;
}
}
}
if (DataBlockDriver == null)
{
DataBlockDriver = new DataBlockDriver(this, hd);
}
else
{
if (DataBlockDriver.HeaderData == null)
{
DataBlockDriver.HeaderData = hd ?? new HeaderData(DataBlockSize);
}
}
if (MruManager == null)
{
int min = MruMinCapacity;
int max = MruMaxCapacity;
//MruManager = new ConcurrentMruManager(min, max);
MruManager = new MruManager(min, max);
MruManager.SetDataStores(this, DataBlockDriver);
}
if (_diskBuffer == null)
{
_diskBuffer = CreateBlock(); //new Sop.DataBlock(DataBlockSize);
}
}