public void Collect(KeyHeap.Page target, ulong sequence)
{
var current = (Key *)m_start;
var end = (Key *)m_current;
while (current < end)
{
bool keep = Key.StillAlive(current, sequence);
if (keep)
{ // copy to the target page
var moved = target.TryAppend(current);
if (moved == null)
{
throw new InvalidOperationException("The target page was too small");
}
var values = current->Values;
if (values != null)
{
values->Parent = moved;
}
current->Header |= Entry.FLAGS_MOVED | Entry.FLAGS_DISPOSED;
}
else
{
current->Header |= Entry.FLAGS_DISPOSED;
}
current = Key.WalkNext(current);
}
}
public override void Debug_Dump(bool detailed)
{
Contract.Requires(m_start != null && m_current != null);
Key *current = (Key *)m_start;
Key *end = (Key *)m_current;
Trace.WriteLine(" # KeyPage: count=" + m_count.ToString("N0") + ", used=" + this.MemoryUsage.ToString("N0") + ", capacity=" + m_capacity.ToString("N0") + ", start=0x" + new IntPtr(m_start).ToString("X8") + ", end=0x" + new IntPtr(m_current).ToString("X8"));
if (detailed)
{
while (current < end)
{
Trace.WriteLine(" - [" + Entry.GetObjectType(current).ToString() + "] 0x" + new IntPtr(current).ToString("X8") + " : " + current->Header.ToString("X8") + ", size=" + current->Size + ", h=0x" + current->HashCode.ToString("X4") + " : " + FdbKey.Dump(Key.GetData(current).ToSlice()));
var value = current->Values;
while (value != null)
{
Trace.WriteLine(" -> [" + Entry.GetObjectType(value) + "] 0x" + new IntPtr(value).ToString("X8") + " @ " + value->Sequence + " : " + Value.GetData(value).ToSlice().ToAsciiOrHexaString());
value = value->Previous;
}
current = Key.WalkNext(current);
}
}
}
