org.wildfly.clustering.group

Interface Group

public interface Group

Represents a groups of nodes.

Author:

Paul Ferraro

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	Group.Listener Listener for membership changes.

Method Summary

Modifier and Type	Method and Description
void	addListener(Group.Listener listener) Registers a membership listener for the group.
Node	getCoordinatorNode() Returns the group coordinator node.
Node	getLocalNode() Returns the local node.
String	getName() Returns the name of this group.
List<Node>	getNodes() Returns the list of nodes that are members of this group.
boolean	isCoordinator() Indicates whether or not we are the group coordinator.
void	removeListener(Group.Listener listener) Removes a registered listener from the group.

Method Detail

addListener

void addListener(Group.Listener listener)

Registers a membership listener for the group.

Parameters:

listener - listener to be added

removeListener

void removeListener(Group.Listener listener)

Removes a registered listener from the group.

Parameters:

listener - listener to be removed

getName

String getName()

Returns the name of this group.

Returns:

the group name

isCoordinator

boolean isCoordinator()

Indicates whether or not we are the group coordinator.

Returns:

true, if we are the group coordinator, false otherwise

getLocalNode

Node getLocalNode()

Returns the local node.

Returns:

the local node

getCoordinatorNode

Node getCoordinatorNode()

Returns the group coordinator node.

Returns:

the group coordinator node

getNodes

List<Node> getNodes()

Returns the list of nodes that are members of this group.

Returns:

a list of nodes