Class BrokerNotification

java.lang.Object

java.util.EventObject

javax.management.Notification

com.sun.messaging.jms.management.server.MQNotification

com.sun.messaging.jms.management.server.BrokerNotification

All Implemented Interfaces:

Serializable

public class BrokerNotification
extends MQNotification

Class containing information on broker related notifications. This notification is broadcasted from the relevant MBeans in a broker that is either:

• in the process of quiescing
• in the process of shutting down
• in the process of taking over another broker's persistence store

With regards to the takeover related notifications, this notification is broadcasted by the broker that is performing the takeover operation, not the broker that is being taken over.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final String	BROKER_QUIESCE_COMPLETE	A broker has finished quiescing.
static final String	BROKER_QUIESCE_START	A broker has started to quiesce.
static final String	BROKER_RESOURCE_STATE_CHANGE	A broker's memory level/state has changed
static final String	BROKER_SHUTDOWN_START	A broker has started the process of shutting down.
static final String	BROKER_TAKEOVER_COMPLETE	A broker has completed the takeover of another broker.
static final String	BROKER_TAKEOVER_FAIL	A broker has failed in the attempt to takeover another broker.
static final String	BROKER_TAKEOVER_START	A broker has started to takeover another broker.

Fields inherited from class MQNotification

PREFIX

Fields inherited from class Notification

source

Constructor Summary

Constructors

Constructor	Description
BrokerNotification(String type, Object source, long sequenceNumber)	Creates a BrokerNotification object.

Method Summary

Methods inherited from class Notification

getMessage, getSequenceNumber, getTimeStamp, getType, getUserData, setSequenceNumber, setSource, setTimeStamp, setUserData, toString

Methods inherited from class EventObject

getSource

Methods inherited from class Object

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

Field Details

BROKER_RESOURCE_STATE_CHANGE

public static final String BROKER_RESOURCE_STATE_CHANGE

A broker's memory level/state has changed

See Also:

• Constant Field Values

BROKER_QUIESCE_COMPLETE

public static final String BROKER_QUIESCE_COMPLETE

A broker has finished quiescing.

See Also:

• Constant Field Values

BROKER_QUIESCE_START

public static final String BROKER_QUIESCE_START

A broker has started to quiesce.

See Also:

• Constant Field Values

BROKER_SHUTDOWN_START

public static final String BROKER_SHUTDOWN_START

A broker has started the process of shutting down.

See Also:

• Constant Field Values

BROKER_TAKEOVER_COMPLETE

public static final String BROKER_TAKEOVER_COMPLETE

A broker has completed the takeover of another broker.

See Also:

• Constant Field Values

BROKER_TAKEOVER_FAIL

public static final String BROKER_TAKEOVER_FAIL

A broker has failed in the attempt to takeover another broker.

See Also:

• Constant Field Values

BROKER_TAKEOVER_START

public static final String BROKER_TAKEOVER_START

A broker has started to takeover another broker.

See Also:

• Constant Field Values

Constructor Details

BrokerNotification

public BrokerNotification(String type,
 Object source,
 long sequenceNumber)

Creates a BrokerNotification object.

Parameters:

type - The notification type.

source - The notification source.

sequenceNumber - The notification sequence number within the source object.