-/* Copyright (c) 2012-2014. The SimGrid Team.
+/* Copyright (c) 2012-2014, 2016. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
package kademlia;
-
import java.util.ArrayList;
-/**
- * Stores the information held in a bucket
- */
public class Bucket {
- private ArrayList<Integer> nodes;
- private int id;
-
- /**
- * Constructor
- */
- public Bucket(int id) {
- this.nodes = new ArrayList<Integer>();
- this.id = id;
- }
- /**
- * Returns the bucket's id.
- */
- public int getId() {
- return this.id;
- }
- /**
- * Returns how many nodes there is in the bucket
- */
- public int size() {
- return nodes.size();
- }
- /**
- * Returns if the bucket contains the element
- */
- public boolean contains(int id) {
- return nodes.contains(id);
- }
- /**
- * Add an to the front of the bucket
- */
- public void add(int id) {
- nodes.add(0,id);
- }
- /**
- * Pushs an element into the front of a bucket.
- */
- public void pushToFront(int id) {
- int i = nodes.indexOf(id);
- nodes.remove(i);
- nodes.add(0, id);
- }
- /**
- * Returns a node
- */
- public int getNode(int id) {
- return nodes.get(id);
- }
- /**
- * Adds the content of the bucket into a answer object.
- */
- public void addToAnswer(Answer answer, int destination) {
- for (int id : this.nodes) {
- answer.getNodes().add(new Contact(id,id ^ destination));
- }
- }
-
- @Override
- public String toString() {
- return "Bucket [id= " + id + " nodes=" + nodes + "]";
- }
-
+ private ArrayList<Integer> nodes;
+ private int id;
+
+ public Bucket(int id) {
+ this.nodes = new ArrayList<Integer>();
+ this.id = id;
+ }
+
+ public int getId() {
+ return this.id;
+ }
+
+ public int size() {
+ return nodes.size();
+ }
+
+ public boolean contains(int id) {
+ return nodes.contains(id);
+ }
+
+ /* Add a node to the front of the bucket */
+ public void add(int id) {
+ nodes.add(0,id);
+ }
+
+ /* Push a node to the front of a bucket */
+ public void pushToFront(int id) {
+ int i = nodes.indexOf(id);
+ nodes.remove(i);
+ nodes.add(0, id);
+ }
+
+ public int getNode(int id) {
+ return nodes.get(id);
+ }
+
+ /* Add the content of the bucket into a answer object. */
+ public void addToAnswer(Answer answer, int destination) {
+ for (int id : this.nodes) {
+ answer.getNodes().add(new Contact(id,id ^ destination));
+ }
+ }
+
+ @Override
+ public String toString() {
+ return "Bucket [id= " + id + " nodes=" + nodes + "]";
+ }
}
