public static void main(String[] args) throws InterruptedException {
final TradeServer server = new TradeServer();
// Use a Reactor to dispatch events using the default Dispatcher
Reactor reactor = new Reactor();
// Create a single Selector for efficiency
Selector trade = $("trade.execute");
// For each Trade event, execute that on the server
reactor.on(
trade,
new Consumer<Event<Trade>>() {
@Override
public void accept(Event<Trade> tradeEvent) {
server.execute(tradeEvent.getData());
// Since we're async, for this test, use a latch to tell when we're done
latch.countDown();
}
});
// Start a throughput timer
startTimer();
// Publish one event per trade
for (int i = 0; i < totalTrades; i++) {
// Pull next randomly-generated Trade from server
Trade t = server.nextTrade();
// Notify the Reactor the event is ready to be handled
reactor.notify(trade, Fn.event(t));
}
// Stop throughput timer and output metrics
endTimer();
server.stop();
}
/**
* Assign an error handler to exceptions of the given type.
*
* @param exceptionType the type of exceptions to handle
* @param onError the error handler for each exception
* @param <E> type of the exception to handle
* @return {@literal this}
*/
public <E extends Throwable> Composable<T> when(
@Nonnull Class<E> exceptionType, @Nonnull Consumer<E> onError) {
this.events.on(Fn.T(exceptionType), new EventConsumer<E>(onError));
return this;
}