/// <summary>
/// 找到边 从this到toNode节点的边，出边表
/// </summary>
/// <param name="fromRN"></param>
internal void RemoveEdge(RoadEdge re)
{
if (re == null)
{
throw new ArgumentNullException();
}
dicEdge.Remove(RoadEdge.GetHashCode(this, re.rnTo));
}
internal void RemoveEdge(RoadNode toRN)
{
if (toRN == null)
{
throw new ArgumentNullException();
}
dicEdge.Remove(RoadEdge.GetHashCode(this, toRN));
}
public void RemoveDirectedEdge(T roadNodeHash, RoadEdge edge)
{
RoadNode rn = this.Find(roadNodeHash);
if (rn != null)
{
rn.RemoveEdge(edge.GetHashCode());
}
}
/// <summary>
/// 查找方法，新的结构采用出边表
/// </summary>
/// <param name="toRoadNode">出节点</param>
/// <returns></returns>
internal RoadEdge FindRoadEdge(RoadNode toRoadNode)
{
int iHashkey = RoadEdge.GetHashCode(this, toRoadNode);
if (dicEdge.ContainsKey(iHashkey))
{
return(dicEdge[iHashkey]);
}
return(null);
}
public void RemoveEdge(RoadNode fromRoadNode, RoadNode ToRoadNode)
{
if (fromRoadNode != null && ToRoadNode != null)
{
RoadEdge re = new RoadEdge(fromRoadNode, ToRoadNode);
//邻接矩阵中删除边
adlistNetWork.RemoveDirectedEdge(fromRoadNode.GetHashCode(), new RoadEdge(fromRoadNode, ToRoadNode));
//上下文路段字典中删除边
this.dicRoadEdge.Remove(re.GetHashCode());
}
}
/// <summary>
/// 注意在出边表中，保持roadedge的from字段是this节点，否则函数抛出异常
/// </summary>
/// <param name="roadEdge"></param>
internal void AddRoadEdge(RoadEdge roadEdge)
{
if (roadEdge != null)
{
if (!Contains(roadEdge.GetHashCode()))
{
//加入判断是否是当前点的出边的信息防止出错
if (roadEdge.rnFrom != this)
{
throw new Exception("添加了不属于该顶点的边");
}
dicEdge.Add(roadEdge.GetHashCode(), roadEdge);
}
else
{
throw new ArgumentException("添加了重复的边！");
}
}
else
{
throw new ArgumentNullException();
}
}
public void AddRoadEdge(RoadEdge re)
{
if (re.rnFrom == null || re.rnTo != null)
{
if (this.FindRoadNode(re.rnFrom) != null && this.FindRoadNode(re.rnFrom) != null)
{
//将RoadEdge添加到字典
this.dicRoadEdge.Add(re.GetHashCode(), re);
//将边添加到添加邻接矩阵网络中
adlistNetWork.AddDirectedEdge(re.rnFrom.GetHashCode(), re);
}
else
{
throw new ArgumentException("没有在网络中添加创建道路边的节点");
}
}
else
{
throw new ArgumentNullException("无法用空节点添加边");
}
}
public void AddRoadEdge(RoadNode fromRoadNode, RoadNode ToRoadNode)
{
if (fromRoadNode != null && ToRoadNode != null)
{
if (this.FindRoadNode(fromRoadNode) != null && this.FindRoadNode(ToRoadNode) != null)
{
//创建边
RoadEdge re = new RoadEdge(fromRoadNode, ToRoadNode);
//将RoadEdge添加到仿真上下文han字典
this.dicRoadEdge.Add(re.GetHashCode(), re);
//将边添加到添加邻接矩阵网络中
adlistNetWork.AddDirectedEdge(fromRoadNode.GetHashCode(), re);
}
else
{
throw new ArgumentException("没有在网络中添加创建道路边的节点");
}
}
else
{
throw new ArgumentNullException("无法用空节点添加边");
}
}