public void removeFromCache(NodeSub nodeSub, long l)
{
try
{
if (spaceLeft == 0)
{
NodeSub nodeSub_1 = nodeSubList.popTail();
nodeSub_1.unlink();
nodeSub_1.unlinkSub();
if (nodeSub_1 == emptyNodeSub)
{
NodeSub nodeSub_2 = nodeSubList.popTail();
nodeSub_2.unlink();
nodeSub_2.unlinkSub();
}
}
else
{
spaceLeft--;
}
nodeCache.removeFromCache(nodeSub, l);
nodeSubList.insertHead(nodeSub);
return;
}
catch (Exception runtimeexception)
{
signlink.reporterror("47547, " + nodeSub + ", " + l + ", " + (byte)2 + ", " + runtimeexception.Message);
}
throw new Exception();
}
public MRUNodes(int i)
{
emptyNodeSub = new NodeSub();
nodeSubList = new NodeSubList();
initialCount = i;
spaceLeft = i;
nodeCache = new NodeCache();
}
public NodeSub insertFromCache(long l)
{
NodeSub nodeSub = (NodeSub)nodeCache.findNodeByID(l);
if (nodeSub != null)
{
nodeSubList.insertHead(nodeSub);
}
return(nodeSub);
}
public int getNodeCount()
{
int i = 0;
for (NodeSub nodeSub = head.prevNodeSub; nodeSub != head; nodeSub = nodeSub.prevNodeSub)
{
i++;
}
return(i);
}
public void insertHead(NodeSub nodeSub)
{
if (nodeSub.nextNodeSub != null)
{
nodeSub.unlinkSub();
}
nodeSub.nextNodeSub = head.nextNodeSub;
nodeSub.prevNodeSub = head;
nodeSub.nextNodeSub.prevNodeSub = nodeSub;
nodeSub.prevNodeSub.nextNodeSub = nodeSub;
}
public NodeSub popTail()
{
NodeSub nodeSub = head.prevNodeSub;
if (nodeSub == head)
{
return(null);
}
else
{
nodeSub.unlinkSub();
return(nodeSub);
}
}
public NodeSub reverseGetNext()
{
NodeSub nodeSub = current;
if (nodeSub == head)
{
current = null;
return(null);
}
else
{
current = nodeSub.prevNodeSub;
return(nodeSub);
}
}
public void unlinkAll()
{
do
{
NodeSub nodeSub = nodeSubList.popTail();
if (nodeSub != null)
{
nodeSub.unlink();
nodeSub.unlinkSub();
}
else
{
spaceLeft = initialCount;
return;
}
} while (true);
}
public NodeSubList()
{
head = new NodeSub();
head.prevNodeSub = head;
head.nextNodeSub = head;
}