mwalk.core
Class Receiver

java.lang.Object
  |
  +--mwalk.core.TreeNode
        |
        +--mwalk.core.Receiver

public class Receiver

extends TreeNode

A specialized TreeNode class that represents a receiver in the multicast tree.

Version:

1.0

Author:

Robert Chalmers

See Also:

Serialized Form

Field Summary

protected PeriodTable	intervals Period table representing receivers activity
(package private) static long	serialVersionUID Serialized version ID

Fields inherited from class mwalk.core.TreeNode

active, children, data, ip, parents, serialVersionUID

Constructor Summary

Receiver(java.lang.String ip)
Constructor.

Method Summary

PeriodTable	getIntervals() Return the receiver's activity table.
boolean	hasArrived(long time) Check whether the receiver's earliest active period has been reached.
boolean	isActive() Check whether receiver is explicitly marked active.
boolean	isActive(long time) Check whether receiver is active for a given timestamp.
void	loadIntervals(java.io.BufferedReader br) Read the activity table from parsed RTCP logs.

Methods inherited from class mwalk.core.TreeNode

activateLink, addChild, addChildLink, addParent, children, clearData, deactivateLink, delChild, delParent, equals, equals, getActiveChildren, getActiveChildren, getActiveLinks, getActiveLinks, getActiveList, getChildLink, getChildLinks, getChildren, getIP, getParents, hasChild, hasParent, parents, readObject, toLinkArray, toNodeArray, toNodeVector

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

static final long serialVersionUID

Serialized version ID

intervals

protected PeriodTable intervals

Period table representing receivers activity

Constructor Detail

Receiver

public Receiver(java.lang.String ip)

Constructor.

Parameters:

String - the IP address of the reciever

Method Detail

getIntervals

public PeriodTable getIntervals()

Return the receiver's activity table.

Returns:

PeriodTable receiver's activity table

loadIntervals

public void loadIntervals(java.io.BufferedReader br)
                   throws BuildException

Read the activity table from parsed RTCP logs.

Parameters:

BufferedReader - reader associated to log

Throws:

BuildException - if parsing failed

isActive

public boolean isActive()

Check whether receiver is explicitly marked active.

Returns:

boolean whether receiver is active

isActive

public boolean isActive(long time)

Check whether receiver is active for a given timestamp.

Parameters:

long - timestamp to check

Returns:

boolean whether receiver is active

hasArrived

public boolean hasArrived(long time)

Check whether the receiver's earliest active period has been reached.

Parameters:

long - timestamp to check

Returns:

boolean whether receiver has been active