public SymbolGraph(T[,] inputs)
{
indexes = new LinearProbingHashSymbolTable <T, int>();
// 构建顶点到索引的映射
for (int i = 0; i < inputs.GetLength(0); i++)
{
for (int j = 0; j < inputs.GetLength(1); j++)
{
if (!indexes.Contains(inputs[i, j]))
{
indexes.Put(inputs[i, j], indexes.Size);
}
}
}
// 构建索引到顶点的映射
keys = new T[indexes.Size];
foreach (var item in indexes)
{
keys[indexes.Get(item.Key)] = item.Key;
}
// 构建图
graph = new UndirectedGraph(indexes.Size);
for (int i = 0; i < inputs.GetLength(0); i++)
{
int v = indexes.Get(inputs[i, 0]);
for (int j = 1; j < inputs.GetLength(1); j++)
{
graph.AddEdge(v, Index(inputs[i, j]));
}
}
}
/// <summary>
/// 获取顶点对应的索引
/// </summary>
/// <param name="vertex">顶点</param>
/// <returns>顶点的索引</returns>
public int Index(T vertex)
{
return(indexes.Get(vertex));
}