import org.graphstream.graph.*;

import org.graphstream.graph.implementations.*;

import java.util.Iterator;

public class StaticGraph2 {

private MultiGraph graph;

public StaticGraph2() {

/* set the graph renderer */

System.setProperty("org.graphstream.ui.renderer", "org.graphstream.ui.j2dviewer.J2DGraphRenderer");

/* instantiate a multigraph - capable of having bidirectional edges between two nodes */

graph = new MultiGraph("Graph");

graph.addAttribute("ui.quality");

graph.addAttribute("ui.antialias");

/* add CSS styles */

graph.addAttribute("ui.stylesheet",

"edge { fill-color: grey; }");

/* display the graph */

graph.display(false);

generateGraph();

}

public void generateGraph() {

addNodes();

addEdges();

setNodeAttributes();

printNodeInfo();

}

public void addNodes() {

/* add nodes;

1st parameter: name of node

*/

Node nodeA = graph.addNode("A");

Node nodeB = graph.addNode("B");

Node nodeC = graph.addNode("C");

/* set nodes' position in space */

nodeA.setAttribute("xy", 0, 1);

nodeB.setAttribute("xy", 1, 1);

nodeC.setAttribute("xy", -1, -1);

}

public void addEdges() {

/* add edges;

1st parameter: name of edge

2nd parameter: source node

3rd parameter: target node

4th parameter: classifies the edge as either directed (boolean = true) or undirected (boolean = false) */

Edge ab = graph.addEdge("A_B", "A", "B", true);

Edge bc = graph.addEdge("B_C", "B", "C", true);

Edge ca = graph.addEdge("C_A", "C", "A", true);

Edge ba = graph.addEdge("B_A", "B", "A", true);

Edge cb = graph.addEdge("C_B", "C", "B", true);

Edge ac = graph.addEdge("A_C", "A", "C", true);

/* set label of the edge to be displayed on the graph */

ab.setAttribute("ui.label", "AB");

bc.setAttribute("ui.label", "BC");

ca.setAttribute("ui.label", "CA");

ba.setAttribute("ui.label", "BA");

cb.setAttribute("ui.label", "CB");

ac.setAttribute("ui.label", "AC");

}

public void setNodeAttributes() {

/* Iterate over all the nodes in the graph*/

Iterator<? extends Node> nodes = graph.getNodeIterator();

int i = 1;

while (nodes.hasNext()) {

Node currentNode = nodes.next();

int multiplier = 100;

/* We can also add other attributes to a node/edge like node sensor type, node sensor values, etc. */

currentNode.setAttribute("id", i++);

currentNode.setAttribute("sensors", "Humidity", "Temperature"); // array of sensors

currentNode.setAttribute("currentSensorValues", Math.random() * multiplier, Math.random() * multiplier); // array of sensor values

currentNode.setAttribute("batteryLevel", Math.random() * multiplier);

}

}

public void printNodeInfo() {

Iterator<? extends Node> nodes = graph.getNodeIterator();

while (nodes.hasNext()) {

Node currentNode = nodes.next();

/* We can also access the nodes' attributes. */

String nodeName = currentNode.getId();

int nodeId = (int) currentNode.getNumber("id");

Object[] nodeSensors = currentNode.getAttribute("sensors");

Object[] nodeCurrentSensorValues = currentNode.getAttribute("currentSensorValues");

double nodeBatteryLevel = currentNode.getNumber("batteryLevel");

/* Print node's information */

System.out.printf("Node %s id: %d\n", nodeName, nodeId);

System.out.printf("Node %s battery level: %f\n", nodeName, nodeBatteryLevel);

System.out.printf("Node %s (sensor : currentValue)\n", nodeName);

for (int i = 0; i < nodeSensors.length; i++) {

System.out.printf("\t %s : %f \n", nodeSensors[i], nodeCurrentSensorValues[i]);

}

System.out.println("");

}

}

public static void main(String[] args) {

StaticGraph2 staticGraph = new StaticGraph2();

}

}