public void UnlinkFromAll(Linkable unlinked, int usrId)
{
foreach (var edge in unlinked.GetEdge().ToArray())
{
Unlink(unlinked, edge.next, usrId);
}
}
public Edge(Linkable curr, Linkable next, int linkShapeId, bool forward)
{
this.curr = curr;
this.next = next;
this.linkShapeId = linkShapeId;
this.forward = forward;
}
public Edge(Linkable curr, Linkable next, int linkShapeId, bool forward)
{
this.curr = curr;
this.next = next;
this.linkShapeId = linkShapeId;
this.forward = forward;
}
public Edge RemoveEdge(Linkable next)
{
Edge toRemove = null;
foreach (var e in _edges)
if (e.next == next)
toRemove = e;
_edges.Remove(toRemove);
return toRemove;
}
private void __linkRemove(Linkable end1, Linkable end2, int linkShapeId, int usrId)
{
UnlockDeleteBroadcast(linkShapeId, usrId);
EventLogger.LogAndBroadcast(new DiscCtx(Discussions.ConfigManager.ConnStr),
_room,
StEvent.LinkRemoved,
usrId,
_topicId);
_pendingChanges = true;
}
public Edge RemoveEdge(Linkable next)
{
Edge toRemove = null;
foreach (var e in _edges)
{
if (e.next == next)
{
toRemove = e;
}
}
_edges.Remove(toRemove);
return(toRemove);
}
private void __onLinkableDeleted(Linkable end, int usrId)
{
UnlockDeleteBroadcast(end.GetId(), usrId);
//record event
if (end is Cluster)
{
EventLogger.LogAndBroadcast(new DiscCtx(Discussions.ConfigManager.ConnStr),
_room,
StEvent.ClusterDeleted,
-1, //owner unknown
_topicId);
}
_pendingChanges = true;
}
public void Link(Linkable end1, Linkable end2, int linkShapeId)
{
if (end1 == end2)
{
throw new NotSupportedException("no self loops");
}
if (end1.HasAdjacent(end2))
{
throw new NotSupportedException("no multiedges");
}
var fwd = new Edge(end1, end2, linkShapeId, true);
_forwardEdges.Add(linkShapeId, fwd);
end1.AddEdge(fwd);
end2.AddEdge(new Edge(end2, end1, linkShapeId, false));
}
public void Unlink(Linkable end1, Linkable end2, int usrId)
{
if (end1 == end2)
{
throw new NotSupportedException("no self loops");
}
if (!end1.HasAdjacent(end2))
{
throw new NotSupportedException("no link");
}
var edge1 = end1.RemoveEdge(end2);
if (edge1.forward)
{
_forwardEdges.Remove(edge1.linkShapeId);
}
var edge2 = end2.RemoveEdge(end1);
if (edge2.forward)
{
_forwardEdges.Remove(edge2.linkShapeId);
}
if (edge1.linkShapeId != edge2.linkShapeId)
{
throw new NotSupportedException("?");
}
if (onLinkRemove != null)
{
onLinkRemove(end1, end2, edge1.linkShapeId, usrId);
}
}
public bool HasAdjacent(Linkable next)
{
return _edges.FirstOrDefault(edge => edge.next == next) != null;
}
public void UnlinkFromAll(Linkable unlinked, int usrId)
{
foreach (var edge in unlinked.GetEdge().ToArray())
Unlink(unlinked, edge.next, usrId);
}
public void Unlink(Linkable end1, Linkable end2, int usrId)
{
if (end1 == end2)
throw new NotSupportedException("no self loops");
if (!end1.HasAdjacent(end2))
throw new NotSupportedException("no link");
var edge1 = end1.RemoveEdge(end2);
if (edge1.forward)
_forwardEdges.Remove(edge1.linkShapeId);
var edge2 = end2.RemoveEdge(end1);
if (edge2.forward)
_forwardEdges.Remove(edge2.linkShapeId);
if (edge1.linkShapeId != edge2.linkShapeId)
throw new NotSupportedException("?");
if (onLinkRemove != null)
onLinkRemove(end1, end2, edge1.linkShapeId, usrId);
}
public void Link(Linkable end1, Linkable end2, int linkShapeId)
{
if (end1 == end2)
throw new NotSupportedException("no self loops");
if (end1.HasAdjacent(end2))
throw new NotSupportedException("no multiedges");
var fwd = new Edge(end1, end2, linkShapeId, true);
_forwardEdges.Add(linkShapeId, fwd);
end1.AddEdge(fwd);
end2.AddEdge(new Edge(end2, end1, linkShapeId, false));
}
public bool HasAdjacent(Linkable next)
{
return(_edges.FirstOrDefault(edge => edge.next == next) != null);
}
private void __onLinkableDeleted(Linkable end, int usrId)
{
UnlockDeleteBroadcast(end.GetId(), usrId);
//record event
if (end is Cluster)
{
EventLogger.LogAndBroadcast(new DiscCtx(Discussions.ConfigManager.ConnStr),
_room,
StEvent.ClusterDeleted,
-1, //owner unknown
_topicId);
}
_pendingChanges = true;
}
private void __linkRemove(Linkable end1, Linkable end2, int linkShapeId, int usrId)
{
UnlockDeleteBroadcast(linkShapeId, usrId);
EventLogger.LogAndBroadcast(new DiscCtx(Discussions.ConfigManager.ConnStr),
_room,
StEvent.LinkRemoved,
usrId,
_topicId);
_pendingChanges = true;
}
