org.jgroups.util
Class SeqnoRange

java.lang.Object
  org.jgroups.util.Seqno
      org.jgroups.util.SeqnoRange

public class SeqnoRange
extends Seqno

Keeps track of a range of messages to be retransmitted. A bit set is used to represent missing messages. Every non-received message has a corresponding bit set to 0, every received message is 1.

Author:

Bela Ban

Field Summary

Fields inherited from class org.jgroups.util.Seqno

DUMMY, RECEIVED

Constructor Summary

SeqnoRange(long low, long high)

Method Summary

void	clear(long... nums)
void	clear(long num)
boolean	contains(long num)
boolean	get(long num)
java.util.Collection<Range>	getBits(boolean value) Returns ranges of all bit set to value
long	getHigh()
protected int	getIndex(int num)
java.util.Collection<Range>	getMessagesToRetransmit()
int	getNumberOfMissingMessages()
int	getNumberOfReceivedMessages()
java.lang.String	print()
java.lang.String	printBits(boolean value)
void	set(long... nums)
void	set(long num)
int	size()
java.lang.String	toString()

Methods inherited from class org.jgroups.util.Seqno

equals, getLow, hashCode, isDummy, received

Methods inherited from class java.lang.Object

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

Constructor Detail

SeqnoRange

public SeqnoRange(long low,
                  long high)

Method Detail

getHigh

public long getHigh()

contains

public boolean contains(long num)

Overrides:

contains in class Seqno

get

public boolean get(long num)

Overrides:

get in class Seqno

set

public void set(long num)

Overrides:

set in class Seqno

set

public void set(long... nums)

clear

public void clear(long num)

Overrides:

clear in class Seqno

clear

public void clear(long... nums)

getNumberOfReceivedMessages

public int getNumberOfReceivedMessages()

Overrides:

getNumberOfReceivedMessages in class Seqno

getNumberOfMissingMessages

public int getNumberOfMissingMessages()

Overrides:

getNumberOfMissingMessages in class Seqno

size

public int size()

Overrides:

size in class Seqno

getMessagesToRetransmit

public java.util.Collection<Range> getMessagesToRetransmit()

Overrides:

getMessagesToRetransmit in class Seqno

toString

public java.lang.String toString()

Overrides:

toString in class Seqno

print

public java.lang.String print()

Overrides:

print in class Seqno

getIndex

protected int getIndex(int num)

printBits

public java.lang.String printBits(boolean value)

getBits

public java.util.Collection<Range> getBits(boolean value)

Returns ranges of all bit set to value

Parameters:

value - If true, returns all bits set to 1, else 0

Returns: