fr.dyade.aaa.agent
Class AgentDriver

java.lang.Object
  fr.dyade.aaa.agent.Driver
      fr.dyade.aaa.agent.AgentDriver

public abstract class AgentDriver

extends Driver

Field Summary

protected Queue	mq queue of Notification objects to be sent
protected AgentId	proxy id of associated proxy agent

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

canStop, drivers, id, isRunning, logmon, name, thread

Constructor Summary

protected

AgentDriver(int id, Agent proxy, Queue mq) Constructor.

Method Summary

void	close()
protected void	end() Finalizes the driver.
protected abstract void	react(Notification m) Reacts to notifications from proxy.
void	run() Actually executes the driver code.
java.lang.String	toString() Provides a string image for this object.

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

getName, sendTo, start, stop

Methods inherited from class java.lang.Object

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

Field Detail

proxy

protected AgentId proxy

id of associated proxy agent

mq

protected Queue mq

queue of Notification objects to be sent

Constructor Detail

AgentDriver

protected AgentDriver(int id,
                      Agent proxy,
                      Queue mq)

Constructor.

Parameters:

proxy - id of associated proxy agent

mq - queue of Notification objects to be sent

Method Detail

toString

public java.lang.String toString()

Provides a string image for this object.

Overrides:

toString in class Driver

Returns:

printable image of this object

run

public void run()

Description copied from class: Driver

Actually executes the driver code. To be defined in derived classes.

Beware: this code is executed in a separate thread, outside from any transaction. Notifications may be sent using function sendTo, and they will actually be sent as soon as the function is called; there is no atomic treatment as there is in an agent reaction.

Specified by:

run in class Driver

close

public void close()

Specified by:

close in class Driver

react

protected abstract void react(Notification m)
                       throws java.lang.Exception

Reacts to notifications from proxy.

Throws:

java.lang.Exception - unspecialized exception

end

protected void end()

Finalizes the driver. Reports driver end to the proxy agent, with a DriverDone notification.

Overrides:

end in class Driver