org.activecluster
Class ClusterEvent

java.lang.Object
  org.activecluster.ClusterEvent

All Implemented Interfaces:

Externalizable, Serializable

public class ClusterEvent

extends Object

implements Externalizable

A cluster event

Version:

$Revision: 1.1 $

See Also:

Serialized Form

Field Summary

static int	ADD_NODE A node has joined the cluster
static int	ELECTED_COORDINATOR this node has been elected Coordinator
static int	FAILED_NODE A node has failed due to a system/network error
static int	REMOVE_NODE A node has left the Cluster
static int	UPDATE_NODE existing node has updated it's state

Constructor Summary

ClusterEvent()
empty constructor

ClusterEvent(Cluster source, Node node, int type)

Method Summary

Cluster	getCluster()
Node	getNode()
int	getType()
void	readExternal(ObjectInput in) read from stream
void	setCluster(Cluster source) set the cluster
String	toString()
void	writeExternal(ObjectOutput out) dump on to a stream

Methods inherited from class java.lang.Object

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

Field Detail

ADD_NODE

public static final int ADD_NODE

A node has joined the cluster

See Also:

Constant Field Values

UPDATE_NODE

public static final int UPDATE_NODE

existing node has updated it's state

See Also:

Constant Field Values

REMOVE_NODE

public static final int REMOVE_NODE

A node has left the Cluster

See Also:

Constant Field Values

FAILED_NODE

public static final int FAILED_NODE

A node has failed due to a system/network error

See Also:

Constant Field Values

ELECTED_COORDINATOR

public static final int ELECTED_COORDINATOR

this node has been elected Coordinator

See Also:

Constant Field Values

Constructor Detail

ClusterEvent

public ClusterEvent()

empty constructor

ClusterEvent

public ClusterEvent(Cluster source,
                    Node node,
                    int type)

Parameters:

source -

node -

type -

Method Detail

getCluster

public Cluster getCluster()

Returns:

the Cluster

setCluster

public void setCluster(Cluster source)

set the cluster

Parameters:

source -

getNode

public Node getNode()

Returns:

the node

getType

public int getType()

Returns:

the type of event

toString

public String toString()

Returns:

pretty type

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

dump on to a stream

Specified by:

writeExternal in interface Externalizable

Parameters:

out -

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

read from stream

Specified by:

readExternal in interface Externalizable

Parameters:

in -

Throws:

IOException

ClassNotFoundException