private void performTurn() {
DialogueState systemState = system.getState();
final String outputVar = system.getSettings().systemOutput;
try {
Value systemAction = ValueFactory.none();
if (systemState.hasChanceNode(outputVar)) {
systemAction = systemState.queryProb(outputVar).getBest();
}
log.fine("Simulator input: " + systemAction);
boolean turnPerformed = performTurn(systemAction);
int repeat = 0;
while (!turnPerformed && repeat < 5 && system.getModules().contains(this)) {
turnPerformed = performTurn(systemAction);
repeat++;
}
} catch (RuntimeException e) {
log.fine("cannot update simulator: " + e);
}
}
