private void shutdownAgent() {
AgentServiceImpl oldAgentService = this.agentService;
if (oldAgentService != null) {
// Let the old agent be garbaged
this.agentService = null;
try {
log.finer("stopping agent service");
oldAgentService.stopAgent();
} catch (Exception e) {
log.log(Level.SEVERE, "could not stop old agent", e);
} finally {
exitSimulationLog();
}
}
}
public void run() {
do {
Message msg = null;
try {
msg = nextMessage();
Transportable content = msg.getContent();
if (content instanceof AdminContent) {
handleAdminContent((AdminContent) content);
} else if (content instanceof StartInfo) {
// Setup a new agent instance and give it the simulation
// start message. The new agent instance must be given
// the address it has been assigned in this simulation.
setupAgent(msg);
} else if (content instanceof Alert) {
handleAlert((Alert) content);
} else if (agentService != null) {
// If an agentService already is set up - send all messages
// to it!!
agentService.deliverToAgent(msg);
if (content instanceof SimulationStatus) {
SimulationStatus status = (SimulationStatus) content;
if (status.isSimulationEnded()) {
stopSimulation(agentService);
}
}
} else {
log.severe("No agent registered to receive " + msg);
}
} catch (ThreadDeath e) {
log.log(Level.SEVERE, "message thread died", e);
throw e;
} catch (Throwable e) {
log.log(Level.SEVERE, "could not handle message " + msg, e);
}
} while (true);
}
