org.jgroups.auth
Class FixedMembershipToken

java.lang.Object
  extended by org.jgroups.auth.AuthToken
      extended by org.jgroups.auth.FixedMembershipToken
All Implemented Interfaces:
java.io.Serializable, 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:

Author:
Chris Mills (millsy@jboss.com)
See Also:
Serialized Form

Field Summary
 
Fields inherited from class org.jgroups.auth.AuthToken
log
 
Constructor Summary
FixedMembershipToken()
           
 
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.DataInputStream in)
          Required to deserialize the object when read in from the wire
 void setValue(java.util.Properties properties)
          Called during the setup of the AUTH protocol to pass property values from the JGroups config XML document to the implementing class.
 void writeTo(java.io.DataOutputStream out)
          Required to serialize the object to pass across the wire
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

FixedMembershipToken

public FixedMembershipToken()
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

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.

setValue

public void setValue(java.util.Properties properties)
Description copied from class: AuthToken
Called during the setup of the AUTH protocol to pass property values from the JGroups config XML document to the implementing class.

Specified by:
setValue in class AuthToken
Parameters:
properties - a java.util.Properties object of config parameters

writeTo

public void writeTo(java.io.DataOutputStream out)
             throws java.io.IOException
Required to serialize the object to pass across the wire

Parameters:
out -
Throws:
java.io.IOException

readFrom

public void readFrom(java.io.DataInputStream in)
              throws java.io.IOException,
                     java.lang.IllegalAccessException,
                     java.lang.InstantiationException
Required to deserialize the object when read in from the wire

Parameters:
in -
Throws:
java.io.IOException
java.lang.IllegalAccessException
java.lang.InstantiationException


Copyright ? 1998-2006 Bela Ban. All Rights Reserved.