public QueueRequestIfc Dequeue()
{
Monitor.Enter(this);
QueueRequestIfc result;
try
{
QueuedTileProvider.QueueRequestCell firstKey = this.queue.FirstKey;
if (firstKey == null)
{
result = null;
}
else
{
this.queue.Remove(firstKey);
this.cellMap.Remove(firstKey.qr);
this.UpdateDebugList();
result = firstKey.qr;
}
}
finally
{
Monitor.Exit(this);
}
return(result);
}
public void TruncateQueue(int targetCount)
{
List <QueuedTileProvider.QueueRequestCell> list = new List <QueuedTileProvider.QueueRequestCell>();
Monitor.Enter(this);
try
{
while (this.queue.Count > targetCount)
{
QueuedTileProvider.QueueRequestCell lastKey = this.queue.LastKey;
this.cellMap.Remove(lastKey.qr);
this.queue.Remove(lastKey);
list.Add(lastKey);
}
this.UpdateDebugList();
}
finally
{
Monitor.Exit(this);
}
foreach (QueuedTileProvider.QueueRequestCell current in list)
{
current.qr.DeQueued();
}
}
public int CompareTo(object o)
{
QueuedTileProvider.QueueRequestCell queueRequestCell = (QueuedTileProvider.QueueRequestCell)o;
int num = -this.queuedInterest.CompareTo(queueRequestCell.queuedInterest);
if (num != 0)
{
return(num);
}
return(this.uniqueID.CompareTo(queueRequestCell.uniqueID));
}
public void Enqueue(QueueRequestIfc qr)
{
Monitor.Enter(this);
try
{
QueuedTileProvider.QueueRequestCell queueRequestCell = new QueuedTileProvider.QueueRequestCell();
queueRequestCell.qr = qr;
queueRequestCell.queuedInterest = qr.GetInterest();
this.cellMap.Add(qr, queueRequestCell);
this.queue.Add(queueRequestCell, qr);
this.UpdateDebugList();
}
finally
{
Monitor.Exit(this);
}
}
public void Enqueue(QueueRequestIfc qr)
{
Monitor.Enter(this);
try
{
QueuedTileProvider.QueueRequestCell queueRequestCell = new QueuedTileProvider.QueueRequestCell();
queueRequestCell.qr = qr;
queueRequestCell.queuedInterest = qr.GetInterest();
this.cellMap.Add(qr, queueRequestCell);
this.queue.Add(queueRequestCell, qr);
this.UpdateDebugList();
}
finally
{
Monitor.Exit(this);
}
}
public void ChangePriority(QueueRequestIfc qr)
{
Monitor.Enter(this);
try
{
if (this.cellMap.ContainsKey(qr))
{
QueuedTileProvider.QueueRequestCell key = this.cellMap[qr];
this.queue.Remove(key);
this.cellMap.Remove(qr);
this.Enqueue(qr);
this.UpdateDebugList();
}
}
finally
{
Monitor.Exit(this);
}
}
