private MateEdge(MateInterface prevInterface, MateInterface nextInterface, MateEdge?p, MateEdge?n)
{
this.Prev = prevInterface.Vertex();
this.Next = nextInterface.Vertex();
this.PrevInterface = prevInterface;
this.NextInterface = nextInterface;
this.PrevLink = p;
this.NextLink = n;
}
//创建一条边
public static MateEdge?createEdge(MateInterface prev, MateInterface next)
{
var pv = prev.Vertex();
var nv = next.Vertex();
if (!pv.CanSupport(next) || !nv.CanSupport(prev))
{
return(null);
}
MateInterface?m;
MateEdge? temp, newEdge = new MateEdge(prev, next, null, null);
newEdge.Mated = (m = pv.Mate(next)) != null;
if (pv.FirstEdge == null) //没有表则直接将边设置为firstEdge
{
pv.FirstEdge = newEdge;
}
else //有边则找到最后一条以pv为起点的边。将result设置为prevLink
{
temp = pv.FirstEdge;
while (temp.PrevLink != null)
{
temp = temp.PrevLink;
}
temp.PrevLink = newEdge;
}
//下一条边同理
if (nv.FirstEdge == null)
{
nv.FirstEdge = newEdge;
}
else
{
temp = nv.FirstEdge;
while (temp.NextLink != null)
{
temp = temp.NextLink;
}
temp.NextLink = newEdge;
}
return(newEdge);
}
//进行配合测试，如果参数符合则返回配合的MateInterface，否则返回null public abstract MateInterface?Mate(MateInterface mateInterface);
/// <summary> /// 是否能配合改接口,参数是否能符合 /// </summary> /// <param name="mateInterface"></param> /// <returns></returns> public abstract bool CanMate(MateInterface mateInterface);
public abstract MateInterface Support(MateInterface mateInterface);
/// <summary> /// 是否支持该配合的接口 /// </summary> /// <param name="mateInterface"></param> /// <returns></returns> public abstract bool CanSupport(MateInterface mateInterface);
