org.jgroups.auth
Class FixedMembershipToken

java.lang.Object
  org.jgroups.auth.AuthToken
      org.jgroups.auth.FixedMembershipToken

All Implemented Interfaces:

Streamable

public class FixedMembershipToken
extends AuthToken

The FixedMemberShipToken object predefines a list of IP addresses and ports that can join the group.

Configuration parameters for this example are shown below:

• fixed_members_value (required) = List of IP addresses & ports (optionally) - ports must be seperated by a '/' e.g. 127.0.0.1/1010*127.0.0.1/4567
• fixed_members_seperator (required) = The seperator used between IP addresses - e.g. *

Author:

Chris Mills (millsy@jboss.com)

Field Summary

Fields inherited from class org.jgroups.auth.AuthToken

auth, log

Constructor Summary

FixedMembershipToken()

FixedMembershipToken(java.lang.String token)

Method Summary

boolean	authenticate(AuthToken token, Message msg) This method should be implemented to perform the actual authentication of joining members.
java.lang.String	getName() Used to return the full package and class name of the implementation.
void	readFrom(java.io.DataInput in) Required to deserialize the object when read in from the wire
void	setFixedMembersSeparator(java.lang.String value)
void	setMemberList(java.lang.String list)
int	size() The size of the marshalled AuthToken
void	writeTo(java.io.DataOutput out) Required to serialize the object to pass across the wire

Methods inherited from class org.jgroups.auth.AuthToken

init, setAuth

Methods inherited from class java.lang.Object

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

Constructor Detail

FixedMembershipToken

public FixedMembershipToken()

FixedMembershipToken

public FixedMembershipToken(java.lang.String token)

Method Detail

getName

public java.lang.String getName()

Description copied from class: AuthToken

Used to return the full package and class name of the implementation. This is used by the AUTH protocol to create an instance of the implementation.

Specified by:

getName in class AuthToken

Returns:

a java.lang.String object of the package and class name

setFixedMembersSeparator

public void setFixedMembersSeparator(java.lang.String value)

authenticate

public boolean authenticate(AuthToken token,
                            Message msg)

Description copied from class: AuthToken

This method should be implemented to perform the actual authentication of joining members.

Specified by:

authenticate in class AuthToken

Parameters:

token - the token sent by the joiner

msg - the Message object containing the actual JOIN_REQ

Returns:

true if authenticaion passed or false if it failed.

setMemberList

public void setMemberList(java.lang.String list)

writeTo

public void writeTo(java.io.DataOutput out)
             throws java.lang.Exception

Required to serialize the object to pass across the wire

Parameters:

out -

Throws:

java.io.IOException

java.lang.Exception

readFrom

public void readFrom(java.io.DataInput in)
              throws java.lang.Exception

Required to deserialize the object when read in from the wire

Parameters:

in -

Throws:

java.lang.Exception

size

public int size()

Description copied from class: AuthToken

The size of the marshalled AuthToken

Specified by:

size in class AuthToken