org.objectweb.joram.mom.dest
Class Topic

java.lang.Object
  fr.dyade.aaa.agent.Agent
      org.objectweb.joram.mom.dest.Destination
          org.objectweb.joram.mom.dest.Topic

All Implemented Interfaces:

fr.dyade.aaa.agent.AgentMBean, java.io.Serializable, AdminDestinationItf

Direct Known Subclasses:

AdminTopic, JMSBridgeTopic, MonitoringTopic

public class Topic
extends Destination

A Topic agent is an agent hosting a MOM topic, and which behaviour is provided by a TopicImpl instance.

See Also:

TopicImpl, Serialized Form

Field Summary

Fields inherited from class org.objectweb.joram.mom.dest.Destination

destImpl, logger

Fields inherited from class fr.dyade.aaa.agent.Agent

fixed, logmon, name, nullName

Constructor Summary

	Topic() Empty constructor for newInstance().
protected	Topic(java.lang.String name, boolean fixed, int stamp) Constructor with parameters for fixing the topic and specifying its identifier.

Method Summary

DestinationImpl	createsImpl(fr.dyade.aaa.agent.AgentId adminId, java.util.Properties prop) Creates the TopicImpl.
byte	getType() Returns the type of this destination: Queue or Topic.
void	react(fr.dyade.aaa.agent.AgentId from, fr.dyade.aaa.agent.Notification not) Distributes the received notifications to the appropriate reactions.

Methods inherited from class org.objectweb.joram.mom.dest.Destination

agentFinalize, agentInitialize, init, setNoSave, setSave

Methods inherited from class fr.dyade.aaa.agent.Agent

delete, delete, delete, deploy, deploy, getAgentId, getId, getLogTopic, getName, isDeployed, isFixed, needToBeCommited, save, sendTo, sendTo, sendTo, setName, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

Topic

public Topic()

Empty constructor for newInstance().

Topic

protected Topic(java.lang.String name,
                boolean fixed,
                int stamp)

Constructor with parameters for fixing the topic and specifying its identifier. It is uniquely used by the AdminTopic agent.

Method Detail

getType

public final byte getType()

Description copied from class: Destination

Returns the type of this destination: Queue or Topic.

Specified by:

getType in class Destination

Returns:

the type of this destination.

See Also:

DestinationConstants.TOPIC_TYPE, DestinationConstants.QUEUE_TYPE

createsImpl

public DestinationImpl createsImpl(fr.dyade.aaa.agent.AgentId adminId,
                                   java.util.Properties prop)

Creates the TopicImpl.

Specified by:

createsImpl in class Destination

Parameters:

adminId - Identifier of the topic administrator.

prop - The initial set of properties.

react

public void react(fr.dyade.aaa.agent.AgentId from,
                  fr.dyade.aaa.agent.Notification not)
           throws java.lang.Exception

Distributes the received notifications to the appropriate reactions.

Overrides:

react in class Destination

Throws:

java.lang.Exception