public void RemoveItem_InMemory()
{
int ItemCount = 5000;
string s = string.Format("Collection{0}", 0);
var sortDict = new Sop.Collections.Generic.SortedDictionary <int, int>();
int loopCount = 25;
for (int i = 0; i < loopCount; i++)
{
for (int i2 = 0; i2 < ItemCount; i2++)
{
sortDict.Add(i2, i2);
}
for (int i2 = 0; i2 < 500; i2++)
{
sortDict.Remove(i2);
}
}
//for (int i = 0; i < loopCount; i++)
//{
// //for (int i2 = 0; i2 < ItemCount; i2++)
// // Assert.AreEqual(i2, sortDict[i2]);
// for (int i2 = 0; i2 < 500; i2++)
// sortDict.Remove(i2);
//}
//sortDict.Dispose();
}
public void ReadBlockFromDisk(Algorithm.Collection.ICollectionOnDisk parent,
List <Algorithm.BTree.BTreeItemOnDisk> items, System.Func <int, bool> readCallback)
{
var sortedBlocks = new Sop.Collections.Generic.SortedDictionary <long, int>();
var dataSegments = new Sop.Collections.Generic.SortedDictionary <long, long>();
for (int i = 0; i < items.Count; i++)
{
var address = GetId(items[i].Value.DiskBuffer);
sortedBlocks.Add(address, i);
}
dataSegments.Clear();
//detect contiguous blocks & read these data blocks as a bigger segment for optimal reading.
KeyValuePair <long, int> lastEntry;
List <KeyValuePair <long, int> > blockAddresses = new List <KeyValuePair <long, int> >();
foreach (var entry in sortedBlocks)
{
lastEntry = entry;
var address = entry.Key;
blockAddresses.Add(entry);
if (!Algorithm.BTree.IndexedBlockRecycler.DetectAndMerge(dataSegments,
address, items[entry.Value].Value.DiskBuffer.contiguousBlockCount * (int)parent.DataBlockSize, MaxSegmentSize))
{
_readAheadBuffer.Clear();
dataSegments.MoveFirst();
_readAheadBuffer.Read(parent.FileStream, dataSegments.CurrentKey, (int)dataSegments.CurrentValue);
foreach (var addr in blockAddresses)
{
var rab = new DataBlockReadBufferLogic(_readAheadBuffer);
var block = ReadBlockFromDisk(parent, addr.Key, false);
items[addr.Value].Value.DiskBuffer = block;
// process(deserialize the Object) the read blocks...
readCallback(addr.Value);
_readAheadBuffer = rab;
}
blockAddresses.Clear();
dataSegments.Clear();
dataSegments.Add(address, items[entry.Value].Value.DiskBuffer.contiguousBlockCount * (int)parent.DataBlockSize);
}
}
// process last data segment...
if (dataSegments.Count > 0)
{
_readAheadBuffer.Clear();
dataSegments.MoveFirst();
_readAheadBuffer.Read(parent.FileStream, dataSegments.CurrentKey, (int)dataSegments.CurrentValue);
foreach (var addr in blockAddresses)
{
var rab = new DataBlockReadBufferLogic(_readAheadBuffer);
var block = ReadBlockFromDisk(parent, addr.Key, false);
items[addr.Value].Value.DiskBuffer = block;
// process(deserialize the Object) the read blocks...
readCallback(addr.Value);
_readAheadBuffer = rab;
}
}
}
