jist.swans.route
Class RouteZrpZdp.LinkEntry

java.lang.Object
  jist.swans.route.RouteZrpZdp.LinkEntry

Enclosing class:

RouteZrpZdp

private static class RouteZrpZdp.LinkEntry
extends java.lang.Object

ZDP link entry.

Field Summary

static RouteZrpZdp.LinkEntry[]	EMPTY_ARRAY Empty link entry array.
static byte	FLAG_DROP drop flag mask.
static byte	FLAG_FLUSH flush flag mask.
static byte	FLAG_FRESH fresh flag mask.
private byte	flags flush, link failure and freshness bits.
private short	id link sequence identifier.
private Link	link source-destination pair.

Constructor Summary

RouteZrpZdp.LinkEntry(Link link, short id, boolean drop)
Create new link entry.

Method Summary

boolean	isDrop() Whether drop flag is set.
boolean	isFlush() Whether flush flag is set.
boolean	isFresh() Whether link entry has been processed.
void	processed() Clears information freshness indicator.
void	set(short id, boolean drop) Set link entry information.
private void	setDrop(boolean value) Set drop flag.
private void	setFlush(boolean value) Set flush flag.
private void	setFresh(boolean value) Set freshness flag.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

EMPTY_ARRAY

public static final RouteZrpZdp.LinkEntry[] EMPTY_ARRAY

Empty link entry array.

FLAG_DROP

public static final byte FLAG_DROP

drop flag mask.

See Also:

Constant Field Values

FLAG_FRESH

public static final byte FLAG_FRESH

fresh flag mask.

See Also:

Constant Field Values

FLAG_FLUSH

public static final byte FLAG_FLUSH

flush flag mask.

See Also:

Constant Field Values

link

private final Link link

source-destination pair.

id

private short id

link sequence identifier.

flags

private byte flags

flush, link failure and freshness bits.

Constructor Detail

RouteZrpZdp.LinkEntry

public RouteZrpZdp.LinkEntry(Link link,
                             short id,
                             boolean drop)

Create new link entry.

Parameters:

link - source-destination pair

id - link sequence identifier

drop - link failure indicator

Method Detail

set

public void set(short id,
                boolean drop)

Set link entry information. Sets freshness on.

Parameters:

id - link sequence identifier

drop - link failure indicator

isFresh

public boolean isFresh()

Whether link entry has been processed.

Returns:

whether link entry has been processed

setFresh

private void setFresh(boolean value)

Set freshness flag.

Parameters:

value - whether to set or clear freshness flag

processed

public void processed()

Clears information freshness indicator.

isDrop

public boolean isDrop()

Whether drop flag is set.

Returns:

whether drop flag is set

setDrop

private void setDrop(boolean value)

Set drop flag.

Parameters:

value - whether to set or clear drop flag

isFlush

public boolean isFlush()

Whether flush flag is set.

Returns:

whether flush flag is set

setFlush

private void setFlush(boolean value)

Set flush flag.

Parameters:

value - whether to set or clear flush flag