@Override
            public void receive(Event[] events) {
                EventPrinter.print(events);
            }
Sample Siddhi application that groups the events by symbol and calculates aggregates such as the sum of price and
sum of volume for the last sliding 5 seconds time window.
modules/siddhi-samples/quick-start-samples/src/main/java/io/siddhi/sample/TimeWindowSample.java