public Visitor(IGraph <Node, Edge> graph, Predicate <Node> nodeStartVisitor, Action <Node> nodeFinishVisitor, EdgeVisitor <Node, Edge> edgeVisitor)
{
this.graph = graph;
this.node_start_visitor = nodeStartVisitor;
this.node_finish_visitor = nodeFinishVisitor;
this.edge_visitor = edgeVisitor;
}
public static void Visit <Node, EdgeInfo> (IGraph <Node, EdgeInfo> graph,
Node startNode,
Predicate <Node> nodeStartVisitor,
EdgeVisitor <Node, EdgeInfo> edgeVisitor)
{
new Visitor <Node, EdgeInfo> (graph, nodeStartVisitor, edgeVisitor).VisitSubGraphNonRecursive(startNode);
}
private void Start()
{
DMSphere sphere1 = new DMSphere();
DMCylinder cylinder1 = new DMCylinder();
DMCube cube1 = new DMCube();
DMCube cub2 = new DMCube();
DMShapeContainer container = new DMShapeContainer();
container.AddShape(sphere1);
container.AddShape(cylinder1);
container.AddShape(cube1);
container.AddShape(cub2);
//int count = container.GetShapeCount(); //需求扩展，不符合开闭原则
//int cubeCount=container.GetCubeCount() //需求扩展，不符合开闭原则
//符合开闭原则
AmountVisitor amountVisitor = new AmountVisitor();
container.RunVisitor(amountVisitor);
print("图形数量：" + amountVisitor.amount);
CubeAmountVisitor cubeAmount = new CubeAmountVisitor();
container.RunVisitor(cubeAmount);
print("cube数量：" + cubeAmount.amount);
EdgeVisitor edgeVisitor = new EdgeVisitor();
container.RunVisitor(edgeVisitor);
print("edge数量：" + edgeVisitor.count);
}
public List <Intersection> Intersect(IEdge target, IEdge tool)
{
EdgeVisitor ic = new EdgeVisitor(this);
target.OnVisit(ic);
tool.OnVisit(ic);
return(ic.Res);
}
public static void Visit <Node, EdgeInfo>
(
IGraph <Node, EdgeInfo> /*!*/ graph,
Node startNode,
Predicate <Node> nodeStartVisitor,
EdgeVisitor <Node, EdgeInfo> edgeVisitor
)
{
Contract.Requires(graph != null);// Clousot Suggestion
Visitor <Node, EdgeInfo> dfs = new Visitor <Node, EdgeInfo>(graph, nodeStartVisitor, null, edgeVisitor);
dfs.VisitSubGraphNonRecursive(startNode);
}
public Visitor(IGraph <Node, Edge> /*!*/ graph,
//^ [Delayed]
Predicate <Node> /*?*/ nodeStartVisitor,
//^ [Delayed]
Action <Node> /*?*/ nodeFinishVisitor,
//^ [Delayed]
EdgeVisitor <Node, Edge> /*?*/ edgeVisitor)
{
Contract.Requires(graph != null);// Clousot Suggestion
this.graph = graph;
this.nodeStartVisitor = nodeStartVisitor;
this.nodeFinishVisitor = nodeFinishVisitor;
this.edgeVisitor = edgeVisitor;
}
void Start()
{
DMShpere shpere1 = new DMShpere();
DMCylinder cylinder1 = new DMCylinder();
DMCube cube1 = new DMCube();
DMCube cube2 = new DMCube();
DMShapeContainer container = new DMShapeContainer();
container.AddShape(shpere1);
container.AddShape(cylinder1);
container.AddShape(cube1);
container.AddShape(cube2);
//int count = container.GetShapeCount();
//int cubeCount = container.GetCubeCount();
AmountVisitor amountVisitor = new AmountVisitor();
container.RunVisitor(amountVisitor);
int amount = amountVisitor.amount;
Debug.Log("图形总数：" + amount);
CubeAmountVisitor cubeAmountVisitor = new CubeAmountVisitor();
container.RunVisitor(cubeAmountVisitor);
int cubeAmount = cubeAmountVisitor.amount;
Debug.Log("Cube总数:" + cubeAmount);
EdgeVisitor edgeVisitor = new EdgeVisitor();
container.RunVisitor(edgeVisitor);
int edgeAmount = edgeVisitor.amount;
Debug.Log("边总数:" + edgeAmount);
}
public Visitor(IGraph <Node, Edge> graph, Predicate <Node> nodeStartVisitor, EdgeVisitor <Node, Edge> edgeVisitor)
: this(graph, nodeStartVisitor, null, edgeVisitor)
{
}
public static void Visit <Node, EdgeInfo> (IGraph <Node, EdgeInfo> graph,
Predicate <Node> nodeStartVisitor,
EdgeVisitor <Node, EdgeInfo> edgeVisitor)
{
new Visitor <Node, EdgeInfo> (graph, nodeStartVisitor, edgeVisitor).VisitAll();
}