org.apache.geronimo.messaging.cluster
Interface Cluster

All Known Implementing Classes:

ClusterImpl

public interface Cluster

Cluster of Nodes.

Version:

$Revision: 1.2 $ $Date: 2004/07/17 03:38:42 $

Method Summary

void	addListener(ClusterEventListener aListener) Adds a listener to this cluster.
void	addMember(NodeInfo aNode) Adds a Node to this cluster.
ClusterInfo	getClusterInfo() Gets the meta-data of this cluster.
Set	getMembers() Gets the Nodes of this cluster.
void	removeListener(ClusterEventListener aListener) Removes the specified listener.
void	removeMember(NodeInfo aNode) Removes a Node from this cluster.

Method Detail

getClusterInfo

public ClusterInfo getClusterInfo()

Gets the meta-data of this cluster.

Returns:

Cluster meta-data.

getMembers

public Set getMembers()

Gets the Nodes of this cluster.

Returns:

Set nodes.

addMember

public void addMember(NodeInfo aNode)
               throws NodeException

Adds a Node to this cluster.
When a Node is added to a cluster, this latter performs a dynamic reconfiguration of the node topology.
When the topology has been applied, it notifies the registered cluster event listeners of the addition.

Parameters:

aNode - Node to be added to this cluster.

Throws:

NodeException - Indicates that the specified node can not be added.

removeMember

public void removeMember(NodeInfo aNode)
                  throws NodeException

Removes a Node from this cluster.
See addMember for more details on the operations of this method.

Parameters:

aNode -

Throws:

NodeException - Indicates that the specified node can not be removed.

addListener

public void addListener(ClusterEventListener aListener)

Adds a listener to this cluster.

Parameters:

aListener - Listener to be registered.

removeListener

public void removeListener(ClusterEventListener aListener)

Removes the specified listener.

Parameters:

aListener - Listener to be removed.