Package com.tangosol.net

Class MemberEvent

java.lang.Object

java.util.EventObject

com.tangosol.net.MemberEvent

All Implemented Interfaces:

Serializable

public class MemberEvent
extends EventObject

An event which indicates that membership has changed:

• a Member has joined
• a Member is leaving
• a Member has left

A MemberEvent object is sent as an argument to the MemberListener interface methods.

Author:

cp 2002.12.12

See Also:

• MemberListener
• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final int	MEMBER_JOINED	This event indicates that a Member has joined.
static final int	MEMBER_LEAVING	This event indicates that a Member is leaving.
static final int	MEMBER_LEFT	This event indicates that a Member has left.
static final int	MEMBER_RECOVERED	This event indicates that a Member has performed persistence recovery.

Fields inherited from class java.util.EventObject

source

Constructor Summary

Constructors

Constructor	Description
MemberEvent(Object oSource, int nId, Member member)	Constructs a new MemberEvent.

Method Summary

Modifier and Type	Method	Description
void	dispatch(Listeners listeners)	Dispatch this event to the specified listeners collection.
void	dispatch(EventListener[] aListeners)	Dispatch this event to the specified array of listeners.
int	getId()	Return this event's id.
Member	getMember()	Return the Member associated with this event.
Service	getService()	Return the Service that fired the event
boolean	isLocal()	Check whether a Member object for this event represents the local member of the cluster.
String	toString()	Returns a String representation of this MemberEvent object.

Methods inherited from class java.util.EventObject

getSource

Methods inherited from class java.lang.Object

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

Field Details

MEMBER_JOINED

public static final int MEMBER_JOINED

This event indicates that a Member has joined.

See Also:

• Constant Field Values

MEMBER_LEAVING

public static final int MEMBER_LEAVING

This event indicates that a Member is leaving.

See Also:

• Constant Field Values

MEMBER_LEFT

public static final int MEMBER_LEFT

This event indicates that a Member has left.

See Also:

• Constant Field Values

MEMBER_RECOVERED

public static final int MEMBER_RECOVERED

This event indicates that a Member has performed persistence recovery.

See Also:

• Constant Field Values

Constructor Details

MemberEvent

public MemberEvent(Object oSource,
 int nId,
 Member member)

Constructs a new MemberEvent.

Parameters:

oSource - the source object that fired the event (a Service)

nId - this event's id

member - the Member for which the event applies

Method Details

getId

public int getId()

Return this event's id.

Returns:

the event ID, one of

getMember

public Member getMember()

Return the Member associated with this event.

Returns:

the Member

getService

public Service getService()

Return the Service that fired the event

Returns:

the Service

dispatch

public void dispatch(Listeners listeners)

Dispatch this event to the specified listeners collection.

Parameters:

listeners - the listeners collection

Throws:

ClassCastException - if any of the targets is not an instance of MemberListener interface

dispatch

public void dispatch(EventListener[] aListeners)

Dispatch this event to the specified array of listeners.

Parameters:

aListeners - the array of listeners

Throws:

ClassCastException - if any of the targets is not an instance of MemberListener interface

isLocal

public boolean isLocal()

Check whether a Member object for this event represents the local member of the cluster.

Returns:

true iff the event's Member object represents the local cluster member

toString

public String toString()

Returns a String representation of this MemberEvent object.

Overrides:

toString in class EventObject

Returns:

a String representation of this MemberEvent object.