mail.node
Class LocalNode

java.lang.Object
  mail.node.Node
      mail.node.LocalNode

public class LocalNode
extends Node

Author:

Arne Müller

Nested Class Summary

Nested classes/interfaces inherited from class mail.node.Node

Node.IDComparator, Node.InvertedIDComparator

Field Summary

static int	BOOTSTRAP
private MailStore	mails
private java.util.Map<NameID,ID>	names
private java.util.Set<Node>	neighbors
private java.util.Map<Node,java.lang.Integer>	reachability
static int	THINK_OFFLINE if a node was not reachable THINK_OFFLINE times in a row, it is though to have went offline

Fields inherited from class mail.node.Node

crypt

Constructor Summary

LocalNode(MailStore mailStore, java.util.Map<NameID,ID> nameStore, EncSupply enc)

Method Summary

void	addNeighbor(Node n) add's another neighbor to the node's list of neighbors
void	bootstrap(Address a, Communicator c)
java.util.Collection<Mail>	fetchMail()
java.util.ArrayList<Node>	getClosest(ID nodeid) returns the neighbors of this node sorted by distance.
java.util.Collection<Mail>	getMail(ID receiver)
MailStore	getMailStore()
ID	getName(NameID nameid) fetches the ID that registered the name with the given ID
java.util.Collection<Node>	getNeighbors() returns all the neighbors of this Node
Node	getNode(ID id)
protected void	markReachable(Node n)
private void	markUnreachable(Node n)
void	refresh()
void	refreshNames()
void	sendMail(Mail m)
void	setName(java.lang.String name)
void	store(Mail m)
void	storeName(NameID nameid, ID user)
java.lang.String	toString()

Methods inherited from class mail.node.Node

distance, distance, equals, getCryptEngine, getID, getKey, hashCode, searchClosest, searchName, searchNode

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

BOOTSTRAP

public static final int BOOTSTRAP

See Also:

Constant Field Values

THINK_OFFLINE

public static final int THINK_OFFLINE

if a node was not reachable THINK_OFFLINE times in a row, it is though to have went offline

See Also:

Constant Field Values

neighbors

private java.util.Set<Node> neighbors

reachability

private java.util.Map<Node,java.lang.Integer> reachability

mails

private MailStore mails

names

private java.util.Map<NameID,ID> names

Constructor Detail

LocalNode

public LocalNode(MailStore mailStore,
                 java.util.Map<NameID,ID> nameStore,
                 EncSupply enc)
          throws EncSupplyException

Throws:

EncSupplyException

Method Detail

getClosest

public java.util.ArrayList<Node> getClosest(ID nodeid)

returns the neighbors of this node sorted by distance. the closest node will be first

Specified by:

getClosest in class Node

Parameters:

nodeid - the id of the node to which distance should be measured to

Returns:

neighbors sorted by distance

getNeighbors

public java.util.Collection<Node> getNeighbors()

Description copied from class: Node

returns all the neighbors of this Node

Specified by:

getNeighbors in class Node

Returns:

addNeighbor

public void addNeighbor(Node n)

add's another neighbor to the node's list of neighbors

Specified by:

addNeighbor in class Node

Parameters:

n -

getName

public ID getName(NameID nameid)

Description copied from class: Node

fetches the ID that registered the name with the given ID

Specified by:

getName in class Node

Returns:

storeName

public void storeName(NameID nameid,
                      ID user)

Specified by:

storeName in class Node

getMail

public java.util.Collection<Mail> getMail(ID receiver)

Specified by:

getMail in class Node

getMailStore

public MailStore getMailStore()

store

public void store(Mail m)

Specified by:

store in class Node

getNode

public Node getNode(ID id)

Specified by:

getNode in class Node

toString

public java.lang.String toString()

Overrides:

toString in class Node

refresh

public void refresh()

refreshNames

public void refreshNames()

sendMail

public void sendMail(Mail m)

setName

public void setName(java.lang.String name)

bootstrap

public void bootstrap(Address a,
                      Communicator c)
               throws BootstrapException

Throws:

BootstrapException

fetchMail

public java.util.Collection<Mail> fetchMail()

markReachable

protected void markReachable(Node n)

Overrides:

markReachable in class Node

markUnreachable

private void markUnreachable(Node n)