jgroup.relacs.events
Class PrepareAck

java.lang.Object
  jgroup.relacs.events.Event
      jgroup.relacs.events.PrepareAck

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, EventTags

public final class PrepareAck
extends Event

The PrepareAck class represents a local message exchanged between members and the daemon; it is used by local members to notify the daemon that it has notified its membership listener(s) that a new view is to be installed.

Since:

Jgroup 0.1

Author:

Alberto Montresor, Hein Meling

See Also:

Serialized Form

Field Summary

Fields inherited from class jgroup.relacs.events.Event

gid, tag

Fields inherited from interface jgroup.relacs.events.EventTags

DAEMON_FAILURE_EVENT, DELIVERY_ACK, DELIVERY_EVENT, INSTALL_ACK, INSTALL_EVENT, JOIN_REQUEST, LEAVE_REQUEST, MEMBER_LEFT_EVENT, MULTICAST_REQUEST, PREPARE_ACK, PREPARE_EVENT

Constructor Summary

PrepareAck()
Default constructor for externalization.

PrepareAck(int gid, MemberId member)
Creates a PrepareAck object for the specified group identifier.

Method Summary

MemberId	getMemberId() Returns the member identifier for the member acknowledging the prepare event.
void	readExternal(java.io.ObjectInput in) Restores the content of this object from the marshalled data contained in the specified input stream.
java.lang.String	toString()
void	writeExternal(java.io.ObjectOutput out) Marshals the content of this object to the specified output stream.

Methods inherited from class jgroup.relacs.events.Event

getGid, getTag

Methods inherited from class java.lang.Object

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

Constructor Detail

PrepareAck

public PrepareAck()

Default constructor for externalization.

PrepareAck

public PrepareAck(int gid,
                  MemberId member)

Creates a PrepareAck object for the specified group identifier.

Method Detail

getMemberId

public MemberId getMemberId()

Returns the member identifier for the member acknowledging the prepare event.

readExternal

public void readExternal(java.io.ObjectInput in)
                  throws java.io.IOException,
                         java.lang.ClassNotFoundException

Restores the content of this object from the marshalled data contained in the specified input stream.

Specified by:

readExternal in interface java.io.Externalizable

Overrides:

readExternal in class Event

Parameters:

in - the stream to be read

Throws:

java.io.IOException

java.lang.ClassNotFoundException

writeExternal

public void writeExternal(java.io.ObjectOutput out)
                   throws java.io.IOException

Marshals the content of this object to the specified output stream.

Specified by:

writeExternal in interface java.io.Externalizable

Overrides:

writeExternal in class Event

Parameters:

out - the stream to be written

Throws:

java.io.IOException

toString

public java.lang.String toString()

Overrides:

toString in class Event