public override bool RunOnLfdll(
LfdllExecutionState state)
{
if (state.Current == null ||
state.Current == state.List.Head ||
state.Current == state.List.Tail)
{
return(false);
}
return(state.Current.Remove());
}
public override ILockFreeDoublyLinkedListNode <ListItemData> RunOnLfdll(
LfdllExecutionState state)
{
ILockFreeDoublyLinkedListNode <ListItemData> current = state.Current;
if (current == null || current == state.List.Tail)
{
return(null);
}
return(state.AddingToKnownNodes(current.InsertAfter(Value)));
}
public override object RunOnLfdll(LfdllExecutionState state)
{
if (state.Current != null &&
state.Current != state.List.Head &&
state.Current != state.List.Tail)
{
long nodeId = state.Current.Value.NodeId;
state.Current.Value = new ListItemData(nodeId, value);
}
return(null);
}
public lfdllOperationExecutor(
ExecutionSequenceParameters eParams,
ILockFreeDoublyLinkedList <ListItemData> list, Counter counter,
int name)
{
this.eParams = eParams;
this.counter = counter;
Name = name;
state = new LfdllExecutionState(list);
state.AddToKnownNodes(list.Head);
state.AddingToKnownNodes(list.Tail);
}
public override ILockFreeDoublyLinkedListNode <ListItemData> RunOnLfdll(
LfdllExecutionState state)
{
ILockFreeDoublyLinkedListNode <ListItemData> node
= state.List.PopRightNode();
if (node != null)
{
state.AddToKnownNodes(node);
}
return(node);
}
public override ILockFreeDoublyLinkedListNode <ListItemData> RunOnLfdll(
LfdllExecutionState state)
{
if (state.Current == null ||
state.Current == state.List.Head ||
state.Current == state.List.Tail)
{
return(null);
}
return
(state.AddingToKnownNodes(
state.Current.InsertAfterIf(
Value, data => data.Value == prevalentValue)));
}
public override object RunOnLfdll(
LfdllExecutionState state)
{
ILockFreeDoublyLinkedListNode <ListItemData> current = state.Current;
if (current == null || current == state.List.Head)
{
current = state.List.Head;
}
else
{
current = current.Prev;
}
state.Current = current;
return(null);
}
public override ListItemData RunOnLfdll(LfdllExecutionState state)
{
if (state.Current == null || state.Current.IsDummyNode)
{
return(null);
}
ListItemData oldData = state.Current.Value;
while (true)
{
if (oldData.Value != oldValue)
{
return(oldData);
}
ListItemData prevalentData = state.Current.CompareExchangeValue(
oldData.NewWithValue(newValue), oldData);
if (ReferenceEquals(prevalentData, oldData))
{
return(prevalentData);
}
oldData = prevalentData;
}
}
public override ListItemData RunOnLfdll(LfdllExecutionState state)
{
return(state.Current == null || state.Current.IsDummyNode ?
null :
state.Current.Value);
}
public override object RunOnLfdll(LfdllExecutionState state)
{
return(run(state));
}
public override ILockFreeDoublyLinkedListNode <ListItemData> RunOnLfdll(
LfdllExecutionState state)
{
return(state.AddingToKnownNodes(state.List.PushRight(Value)));
}
