package com.mxgraph.test;

import java.io.IOException;

import com.mxgraph.model.mxCell;

import com.mxgraph.model.mxICell;

import com.mxgraph.view.mxGraph;

public class InsertPerformance {

public static long testStartTime = 0;

public static void main(String[] args)

{

testStartTime = System.currentTimeMillis();

System.out.println("================");

// Creates graph with model

mxGraph graph = new mxGraph();

Object parent = graph.getDefaultParent();

int nodeCount = 10000;

int edgeCount = 2000000;

System.out.println("Start time " + resourceStamp());

graph.getModel().beginUpdate();

//try

{

mxCell[] nodes = new mxCell[nodeCount];

mxCell[] edges = new mxCell[edgeCount];

mxICell dummyGroup = (mxCell) graph.createVertex(parent, null, "I iz a group", 0, 0, 30, 30, null);

for (int i = 0; i < nodeCount; i++)

{

nodes[i] = new mxCell(null, null, null);

nodes[i].setVertex(true);

nodes[i].setConnectable(true);

}

for (int i = 0; i < edgeCount; i++)

{

int r1 = (int) (Math.random() * nodeCount);

int r2 = (int) (Math.random() * nodeCount);

edges[i] = new mxCell(null, null, null);

edges[i].setEdge(true);

nodes[r1].insertEdge(edges[i], true);

nodes[r2].insertEdge(edges[i], false);

}

graph.addCell(dummyGroup, parent, null,null, null);

}

//finally

{

graph.getModel().endUpdate();

}

// try

// {

// Object[] nodes = new Object[nodeCount];

// Object[] edges = new Object[edgeCount];

//

// for (int i = 0; i < nodeCount; i++)

// {

// nodes[i] = graph.insertVertex(parent, null, "N" + i, 0, 0, 30,

// 30);

// }

//

// for (int i = 0; i < edgeCount; i++)

// {

// int r1 = (int) (Math.random() * nodeCount);

// int r2 = (int) (Math.random() * nodeCount);

// edges[i] = graph.insertEdge(parent, null, r1 + "-" + r2,

// nodes[r1], nodes[r2]);

// }

// }

// finally

// {

// graph.getModel().endUpdate();

// }

System.out.println("End update finished " + resourceStamp());

System.out.println("Number of vertices = " + nodeCount);

System.out.println("Number of edges = " + edgeCount);

System.out.print("Paused, press any key to complete");

try {

System.in.read();

} catch (IOException e) {

e.printStackTrace();

}

System.out.println("Finished");

}

private static String resourceStamp()

{

double time = (System.currentTimeMillis() - testStartTime) / 1000.0;

double mem = (Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory())

/ (1024.0 * 1024.0);

mem = Math.round(mem * 100) / 100.0;

return new String(time + " sec, " + mem + "MB");

}

}