65 lines
1.4 KiB
Java
65 lines
1.4 KiB
Java
package org.insa.graph;
|
|
|
|
import java.util.Collections;
|
|
import java.util.List;
|
|
|
|
public class Graph {
|
|
|
|
// Map identifier.
|
|
private final int mapId;
|
|
|
|
// Nodes of the graph.
|
|
private final List<Node> nodes;
|
|
|
|
/**
|
|
* @param mapId ID of this graph.
|
|
* @param list List of nodes for this graph.
|
|
*/
|
|
public Graph(int mapId, List<Node> list) {
|
|
this.mapId = mapId;
|
|
this.nodes = list;
|
|
}
|
|
|
|
/**
|
|
* @return Immutable list of nodes of this graph.
|
|
*/
|
|
public List<Node> getNodes() {
|
|
return Collections.unmodifiableList(nodes);
|
|
}
|
|
|
|
/**
|
|
* Find the closet node to the given point.
|
|
*
|
|
* @param point
|
|
*
|
|
* @return Closest node to the given point.
|
|
*/
|
|
public Node findClosestNode(Point point) {
|
|
Node node = null;
|
|
double minDis = Double.POSITIVE_INFINITY;
|
|
for (int n = 0; n < nodes.size(); ++n) {
|
|
double dis = point.distanceTo(nodes.get(n).getPoint());
|
|
if (dis < minDis) {
|
|
node = nodes.get(n);
|
|
minDis = dis;
|
|
}
|
|
}
|
|
return node;
|
|
}
|
|
|
|
/**
|
|
* @return Map ID of this graph.
|
|
*/
|
|
public int getMapId() {
|
|
return mapId;
|
|
}
|
|
|
|
/**
|
|
* @return Return the transpose graph of this graph.
|
|
*/
|
|
public Graph transpose() {
|
|
// TODO:
|
|
return null;
|
|
}
|
|
|
|
}
|