/** Logs standard statistics information. Posts it to the root agent if required. */
public void postEvaluationStatistics(final EvolutionState state) {
super.postEvaluationStatistics(state);
if (frequency == 0) return; // Frequency == 0 means that we want only final stats
if (state.generation % frequency != 0) return;
EvolutionAgent agent = (EvolutionAgent) state;
StatisticsData data =
new StatisticsData(
new Address(agent.getName()), state.generation, getBestIndividual(state));
if (agent.iamroot) // Local logging
printStatistics(state, data);
else { // DRM logging
/*if(use_collective){
data.put("type", EvolutionAgent.STATS_MESSAGE);
agent.setContribution(data);
}else*/
agent.fireMessage(agent.getRootAddress(), EvolutionAgent.M_STATS, data);
}
}
/**
* This one checks that the stats message was received. If not, the message is sent again up to
* five times. Run time an best individual of run are logged.
*/
public void finalStatistics(final EvolutionState state, final int result) {
super.finalStatistics(state, result);
EvolutionAgent agent = (EvolutionAgent) state;
StatisticsData data =
new StatisticsData(
new Address(agent.getName()),
state.generation,
System.currentTimeMillis() - creationtime,
getBestIndividual(state),
getBestIndividual(state));
if (agent.iamroot) // Local logging
printStatistics(state, data); // Every statistic will go there
else { // DRM logging
for (int i = 0; i < 5; i++) { // Try to send final data 5 times
IRequest request = agent.fireMessage(agent.getRootAddress(), EvolutionAgent.M_STATS, data);
while (request.getStatus() == IRequest.WAITING) {
Thread.yield();
// try{Thread.sleep(1000);}
// catch(Exception e){state.output.error("Exception: " + e);}
}
if (request.getStatus() == IRequest.DONE) {
break;
} else {
state.output.error("There was an error sending final statistics.");
try {
Thread.sleep(1000 * i ^ 2);
} catch (Exception e) {
state.output.error("Exception: " + e);
}
}
}
}
}