be.ac.ulg.montefiore.run.totem.trafficMatrix.model.impl
Class LinkLoadComputerImpl

java.lang.Object
  be.ac.ulg.montefiore.run.totem.trafficMatrix.model.impl.LinkLoadComputerImpl

All Implemented Interfaces:

DomainChangeListener, LinkLoadComputer, TrafficMatrixChangeListener

public class LinkLoadComputerImpl
extends java.lang.Object
implements LinkLoadComputer, DomainChangeListener, TrafficMatrixChangeListener

Calculates the links load and utilization of a given domain thanks to a TmLoadComputer and a traffic matrix. It listens to domain events and traffic Matrix events to maintain the calculated load up-to-date.

Creation date: 10 mars 2006

Author:

Ga�l Monfort (monfort@run.montefiore.ulg.ac.be)

Constructor Summary

LinkLoadComputerImpl(Domain domain, TmLoadComputer tmlc, TrafficMatrix tm)

Method Summary

void	addLinkEvent(Link link) Notify a add link event
void	addListener(LinkLoadComputerListener listener) Add a listener.
void	addLspEvent(Lsp lsp) Notify a add LSP event
void	addNodeEvent(Node node) Notify a add node event
void	destroy() Free resources associated with the object.
void	elementChangeEvent(java.lang.String src, java.lang.String dst) Notify a change in the value of the source-destination pair from node src to node dst.
boolean	equals(java.lang.Object o)
Domain	getDomain() Returns the domain associated.
java.lang.String	getId() Returns the id associated with the instance, if it has been set.
double[]	getLoad() Returns a vector that represent links load.
double	getLoad(Link lnk) Returns the load calculated for the given link.
TmLoadComputer	getLoadComputer() Returns the associated routing strategy.
java.lang.String	getShortName() Return a string representing the parameters in short.
TrafficMatrix	getTrafficMatrix() Returns the traffic matrix.
double[]	getUtilization() Returns a vector that represent links utilization.
double	getUtilization(Link lnk) Returns the utilization calculated for the given link.
int	hashCode()
boolean	isConsistent() return true if the object is consistent (not yet destroyed).
boolean	isSetId() returns true if the id has been set
void	linkBandwidthChangeEvent(Link link) Notify a link bandwidth change event
void	linkDelayChangeEvent(Link link) Notify a link delay change event
void	linkMetricChangeEvent(Link link) Notify a link metric change event
void	linkReservedBandwidthChangeEvent(Link link) Notify a link reserved bandwidth change event
void	linkStatusChangeEvent(Link link) Notify a link status change event
void	linkTeMetricChangeEvent(Link link) Notify a link TE metric change event
void	lspReservationChangeEvent(Lsp lsp) Notify a LSP reservation change event
void	lspWorkingPathChangeEvent(Lsp lsp) Notify a change in the working path of the lsp.
void	nodeLocationChangeEvent(Node node) Notify a node location change event
void	nodeStatusChangeEvent(Node node) Notify a node status change event
void	removeLinkEvent(Link link) Notify a remove link event
void	removeListener(LinkLoadComputerListener listener) Remove a listener.
void	removeLspEvent(Lsp lsp) Notify a remove LSP event
void	removeNodeEvent(Node node) Notify a remove node event
void	rerouteLspEvent(Lsp lsp) Notify the fact that a LSP must be rerouted.
void	setId(java.lang.String id) Sets the id of the LinkLoadComputer
java.lang.String	toString()
void	unsetId() unsets the id

Methods inherited from class java.lang.Object

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

Constructor Detail

LinkLoadComputerImpl

public LinkLoadComputerImpl(Domain domain,
                            TmLoadComputer tmlc,
                            TrafficMatrix tm)
                     throws DataConsistencyException

Throws:

DataConsistencyException

Method Detail

addListener

public void addListener(LinkLoadComputerListener listener)

Add a listener. Once added, the listener will be notified of changes in the calculatd load.

Specified by:

addListener in interface LinkLoadComputer

Parameters:

listener -

removeListener

public void removeListener(LinkLoadComputerListener listener)

Remove a listener.

Specified by:

removeListener in interface LinkLoadComputer

Parameters:

listener -

getId

public java.lang.String getId()
                       throws LinkLoadComputerIdException

Description copied from interface: LinkLoadComputer

Returns the id associated with the instance, if it has been set.

Specified by:

getId in interface LinkLoadComputer

Returns:

Throws:

LinkLoadComputerIdException - id the Id was not set

setId

public void setId(java.lang.String id)
           throws LinkLoadComputerIdException

Description copied from interface: LinkLoadComputer

Sets the id of the LinkLoadComputer

Specified by:

setId in interface LinkLoadComputer

Throws:

LinkLoadComputerIdException - if the id was already set

isSetId

public boolean isSetId()

Description copied from interface: LinkLoadComputer

returns true if the id has been set

Specified by:

isSetId in interface LinkLoadComputer

Returns:

unsetId

public void unsetId()

Description copied from interface: LinkLoadComputer

unsets the id

Specified by:

unsetId in interface LinkLoadComputer

getLoad

public double[] getLoad()
                 throws DataConsistencyException,
                        NoRouteToHostException,
                        RoutingException

Description copied from interface: LinkLoadComputer

Returns a vector that represent links load. For each link lnk of class Link in the domain, the corresponding load is located at the index domain.getConvertor().getLinkId(lnk.getId()) of the returned array.

Specified by:

getLoad in interface LinkLoadComputer

Returns:

links load for all links in the domain.

Throws:

DataConsistencyException

NoRouteToHostException

RoutingException

getLoad

public double getLoad(Link lnk)
               throws LinkNotFoundException,
                      DataConsistencyException,
                      NoRouteToHostException,
                      RoutingException

Description copied from interface: LinkLoadComputer

Returns the load calculated for the given link.

Specified by:

getLoad in interface LinkLoadComputer

Returns:

Return the load calculated for the given link.

Throws:

LinkNotFoundException

DataConsistencyException

NoRouteToHostException

RoutingException

getUtilization

public double[] getUtilization()
                        throws DataConsistencyException,
                               NoRouteToHostException,
                               RoutingException

Description copied from interface: LinkLoadComputer

Returns a vector that represent links utilization. Utilization is defined as load divided by capacity. For each link lnk of class Link in the domain, the corresponding utilization is located at the index domain.getConvertor().getLinkId(lnk.getId()) of the returned array.

Specified by:

getUtilization in interface LinkLoadComputer

Returns:

links load for all links in the domain.

Throws:

DataConsistencyException

NoRouteToHostException

RoutingException

getUtilization

public double getUtilization(Link lnk)
                      throws LinkNotFoundException,
                             DataConsistencyException,
                             NoRouteToHostException,
                             RoutingException

Description copied from interface: LinkLoadComputer

Returns the utilization calculated for the given link. Utilization is defined as load divided by capacity.

Specified by:

getUtilization in interface LinkLoadComputer

Returns:

Return the load calculated for the given link.

Throws:

LinkNotFoundException

DataConsistencyException

NoRouteToHostException

RoutingException

getDomain

public Domain getDomain()

Description copied from interface: LinkLoadComputer

Returns the domain associated.

Specified by:

getDomain in interface LinkLoadComputer

Returns:

getLoadComputer

public TmLoadComputer getLoadComputer()

Description copied from interface: LinkLoadComputer

Returns the associated routing strategy.

Specified by:

getLoadComputer in interface LinkLoadComputer

Returns:

getTrafficMatrix

public TrafficMatrix getTrafficMatrix()

Description copied from interface: LinkLoadComputer

Returns the traffic matrix.

Specified by:

getTrafficMatrix in interface LinkLoadComputer

Returns:

isConsistent

public boolean isConsistent()

Description copied from interface: LinkLoadComputer

return true if the object is consistent (not yet destroyed).

Specified by:

isConsistent in interface LinkLoadComputer

Returns:

getShortName

public java.lang.String getShortName()

Description copied from interface: LinkLoadComputer

Return a string representing the parameters in short.

Specified by:

getShortName in interface LinkLoadComputer

Returns:

destroy

public void destroy()

Description copied from interface: LinkLoadComputer

Free resources associated with the object.

Specified by:

destroy in interface LinkLoadComputer

equals

public boolean equals(java.lang.Object o)

Specified by:

equals in interface LinkLoadComputer

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Specified by:

hashCode in interface LinkLoadComputer

Overrides:

hashCode in class java.lang.Object

addNodeEvent

public void addNodeEvent(Node node)

Description copied from interface: DomainChangeListener

Notify a add node event

Specified by:

addNodeEvent in interface DomainChangeListener

removeNodeEvent

public void removeNodeEvent(Node node)

Description copied from interface: DomainChangeListener

Notify a remove node event

Specified by:

removeNodeEvent in interface DomainChangeListener

nodeStatusChangeEvent

public void nodeStatusChangeEvent(Node node)

Description copied from interface: DomainChangeListener

Notify a node status change event

Specified by:

nodeStatusChangeEvent in interface DomainChangeListener

nodeLocationChangeEvent

public void nodeLocationChangeEvent(Node node)

Description copied from interface: DomainChangeListener

Notify a node location change event

Specified by:

nodeLocationChangeEvent in interface DomainChangeListener

addLinkEvent

public void addLinkEvent(Link link)

Description copied from interface: DomainChangeListener

Notify a add link event

Specified by:

addLinkEvent in interface DomainChangeListener

removeLinkEvent

public void removeLinkEvent(Link link)

Description copied from interface: DomainChangeListener

Notify a remove link event

Specified by:

removeLinkEvent in interface DomainChangeListener

linkStatusChangeEvent

public void linkStatusChangeEvent(Link link)

Description copied from interface: DomainChangeListener

Notify a link status change event

Specified by:

linkStatusChangeEvent in interface DomainChangeListener

linkMetricChangeEvent

public void linkMetricChangeEvent(Link link)

Description copied from interface: DomainChangeListener

Notify a link metric change event

Specified by:

linkMetricChangeEvent in interface DomainChangeListener

linkTeMetricChangeEvent

public void linkTeMetricChangeEvent(Link link)

Description copied from interface: DomainChangeListener

Notify a link TE metric change event

Specified by:

linkTeMetricChangeEvent in interface DomainChangeListener

linkBandwidthChangeEvent

public void linkBandwidthChangeEvent(Link link)

Description copied from interface: DomainChangeListener

Notify a link bandwidth change event

Specified by:

linkBandwidthChangeEvent in interface DomainChangeListener

linkReservedBandwidthChangeEvent

public void linkReservedBandwidthChangeEvent(Link link)

Description copied from interface: DomainChangeListener

Notify a link reserved bandwidth change event

Specified by:

linkReservedBandwidthChangeEvent in interface DomainChangeListener

linkDelayChangeEvent

public void linkDelayChangeEvent(Link link)

Description copied from interface: DomainChangeListener

Notify a link delay change event

Specified by:

linkDelayChangeEvent in interface DomainChangeListener

addLspEvent

public void addLspEvent(Lsp lsp)

Description copied from interface: DomainChangeListener

Notify a add LSP event

Specified by:

addLspEvent in interface DomainChangeListener

removeLspEvent

public void removeLspEvent(Lsp lsp)

Description copied from interface: DomainChangeListener

Notify a remove LSP event

Specified by:

removeLspEvent in interface DomainChangeListener

rerouteLspEvent

public void rerouteLspEvent(Lsp lsp)

Description copied from interface: DomainChangeListener

Notify the fact that a LSP must be rerouted.

Specified by:

rerouteLspEvent in interface DomainChangeListener

Parameters:

lsp - The LSP to reroute.

lspReservationChangeEvent

public void lspReservationChangeEvent(Lsp lsp)

Description copied from interface: DomainChangeListener

Notify a LSP reservation change event

Specified by:

lspReservationChangeEvent in interface DomainChangeListener

lspWorkingPathChangeEvent

public void lspWorkingPathChangeEvent(Lsp lsp)

Description copied from interface: DomainChangeListener

Notify a change in the working path of the lsp. The working path of a lsp is the path used for routing.

Specified by:

lspWorkingPathChangeEvent in interface DomainChangeListener

elementChangeEvent

public void elementChangeEvent(java.lang.String src,
                               java.lang.String dst)

Description copied from interface: TrafficMatrixChangeListener

Notify a change in the value of the source-destination pair from node src to node dst.

Specified by:

elementChangeEvent in interface TrafficMatrixChangeListener

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object