public void showB()
{
Console.WriteLine("--------- 开始showB ----------");
keyModel a = FlyWeightModle.GetKey(E_key.A);
keyModel b = FlyWeightModle.GetKey(E_key.B);
keyModel c = FlyWeightModle.GetKey(E_key.C);
a.show();
b.show();
c.show();
}
static public keyModel GetKey(E_key str)
{
keyModel keyModel = null;
if (dictionary.ContainsKey(str))
{
return(dictionary[str]);
}
else
{
lock (o)
{
if (dictionary.ContainsKey(str))
{
return(dictionary[str]);
}
else
{
switch (str)
{
case E_key.A:
keyModel = new keyA("A");
dictionary[E_key.A] = keyModel;
break;
case E_key.B:
keyModel = new keyA("B");
dictionary[E_key.B] = keyModel;
break;
case E_key.C:
keyModel = new keyA("C");
dictionary[E_key.C] = keyModel;
break;
default:
throw new Exception();
}
return(keyModel);
}
}
}
}