it.unitn.ds.peersim.fds
Class EventuallyStrongFD

java.lang.Object
  it.unitn.ds.peersim.fds.EventuallyStrongFD

All Implemented Interfaces:

FailureDetector

public class EventuallyStrongFD
extends java.lang.Object
implements FailureDetector

Distributed Systems Course Project

Year: 2009/2010

University of Trento

EventuallyStrongFD -. This class implements an eventually strong failure detector, calling the method callOracle() it return the array list containing the ids of the suspected nodes.

Version:

1.0

Author:

Avancini Mattia, Giampaolo Farina

See Also:

http://peersim.sourceforge.net/

Constructor Summary

EventuallyStrongFD(FDParameters fdParameters)
Instantiates a new eventually strong fd.

Method Summary

void	addSuspected(peersim.core.Node node) Adds the suspected.
java.util.ArrayList<java.lang.Long>	callOracle() When called this method return an array list containing the ids of the nodes suspected by the failure detector.
void	init() Inits the.
boolean	isSuspected(peersim.core.Node node) Checks if is suspected.
void	removeSuspected(peersim.core.Node node) Removes the suspected.
java.lang.String	toString() Return the string containing the list of nodes suspected by the node that calls the method.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

EventuallyStrongFD

public EventuallyStrongFD(FDParameters fdParameters)

Instantiates a new eventually strong fd.

Parameters:

fdParameters - the fd parameters

Method Detail

init

public void init()

Inits the.

callOracle

public java.util.ArrayList<java.lang.Long> callOracle()

When called this method return an array list containing the ids of the nodes suspected by the failure detector.

Specified by:

callOracle in interface FailureDetector

Returns:

the array list.

See Also:

FailureDetector.callOracle()

addSuspected

public void addSuspected(peersim.core.Node node)

Description copied from interface: FailureDetector

Adds the suspected.

Specified by:

addSuspected in interface FailureDetector

Parameters:

node - the node suspected.

See Also:

it.unitn.ds.peersim.fds.interfaces.FailureDetector#addSuspected(peersim .core.Node)

removeSuspected

public void removeSuspected(peersim.core.Node node)

Description copied from interface: FailureDetector

Removes the suspected.

Specified by:

removeSuspected in interface FailureDetector

Parameters:

node - the node to be removed.

See Also:

it.unitn.ds.peersim.fds.interfaces.FailureDetector#removeSuspected(peersim .core.Node)

isSuspected

public boolean isSuspected(peersim.core.Node node)

Description copied from interface: FailureDetector

Checks if is suspected.

Specified by:

isSuspected in interface FailureDetector

Parameters:

node - the node to check.

Returns:

true, if is suspected, false otherwise.

See Also:

it.unitn.ds.peersim.fds.interfaces.FailureDetector#isSuspected(peersim .core.Node)

toString

public java.lang.String toString()

Return the string containing the list of nodes suspected by the node that calls the method.

Overrides:

toString in class java.lang.Object

Returns:

the string