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## org.jgroups.auth
Class FixedMembershipToken

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

- 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)
See Also:
  Serialized Form

Field Summary

Fields inherited from class org.jgroups.auth.AuthToken
`auth, 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` | `setFixedMembersSeparator(java.lang.String value)`
`void` | `setMemberList(java.lang.String list)`
`void` | `writeTo(java.io.DataOutputStream 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()

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.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`

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Copyright © 1998-2009 Bela Ban / Red Hat. All Rights Reserved.