Ejemplo n.º 1
0
//处理批量添加边的函数,边都属于一个图
void handler_add_vertexes(Replier &rep){
	string graph_name=rep.get_graph_name();
	list<Vertex_u> &vertexes=rep.get_vertexes();
	list<Vertex_u>::iterator it=vertexes.begin();
	Subgraph *sub;
	uint32_t num=0;
	while(it!=vertexes.end()){
		sub=graph_set->get_subgraph(graph_name,(*it).id);//得到该图该顶点所在的子图,子图不存在,则会创建一个
		Vertex v(*it);
		int res=sub->add_vertex(v);
		if(res==0||res==1){
					if(res==0){
                    	graph_set->get_graph(graph_name)->vertex_num_increment();
                    	num++;//添加成功,记录一笔
					}
					vertexes.erase(it);
					it=vertexes.begin();
                }
		else{
			it++;
			if(it==vertexes.end()){
				it=vertexes.begin();
			}
		}
	}
	ostringstream stream_num;
	stream_num<<num;
	string string_num=stream_num.str();
	rep.ans(STATUS_OK,string_num.c_str(),string_num.size()+1);
}
Ejemplo n.º 2
0
//处理批量添加边的函数,边都属于一个图
//加边的同时,如果成功,要添加边的属性索引,边的属性索引是针对整个图的,而不是子图
void handler_add_edges(Replier &rep){
	string graph_name=rep.get_graph_name();
	list<Edge_u> &edges=rep.get_edges();
	list<Edge_u>::iterator it=edges.begin();
	Subgraph *sub;
	uint32_t num=0;
	while(it!=edges.end()){
		sub=graph_set->get_subgraph(graph_name,(*it).s_id);//得到该图该顶点所在的子图,子图不存在,则会创建一个
		Edge e(*it);
		int res=sub->add_edge((*it).s_id,e);
		if(res==0||res==1||res==-1) {
			if(res==0){
            	//添加边属性的索引
                Graph *graph=graph_set->get_graph(graph_name);
                Key k((*it).blog_id);
                Value v((*it).s_id,(*it).d_id);
                //graph->add_edge_index(k,v); 
               	graph_set->get_graph(graph_name)->edge_num_increment();
                num++;//添加成功,记录一笔
			}
			edges.erase(it);
			it=edges.begin();
        }
		else{
			it++;
			if(it==edges.end()){
				it=edges.begin();
			}
		}
	}
	ostringstream stream_num;
	stream_num<<num;
	string string_num=stream_num.str();
	rep.ans(STATUS_OK,string_num.c_str(),string_num.size()+1);
}
Ejemplo n.º 3
0
//处理批量read边的函数,边都属于一个图
void handler_read_two_edges(Replier &rep){
	string graph_name=rep.get_graph_name();
	list<Two_vertex> &vertexes=rep.get_two_vertexes();
	list<Two_vertex>::iterator it=vertexes.begin();
	Subgraph *sub;
	uint32_t num=0;
	list<Edge_u> edges;
	while(it!=vertexes.end()){
		int res;
		sub=graph_set->get_subgraph(graph_name,(*it).s_id);//得到该图该顶点所在的子图,子图不存在,则会创建一个
		//sub->read_edges((*it).s_id,(*it).d_id,edges);
		res=sub->read_all_edges((*it).s_id,edges);
		if(res==1||res==0){
			vertexes.erase(it);
			it=vertexes.begin();
		}
		if(res==2){
			it++;
			if(it==vertexes.end()){
				it=vertexes.begin();
			}
			
		}
	}
	rep.ans(STATUS_OK,edges);
}