disruptor(三)

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public class Trade {    private String id;//id    private String name;    private double price;//金额    private AtomicInteger count = new AtomicInteger();    public String getId() {        return id;    }    public void setId(String id) {        this.id = id;    }    public String getName() {        return name;    }    public void setName(String name) {        this.name = name;    }    public double getPrice() {        return price;    }    public void setPrice(double price) {        this.price = price;    }    public AtomicInteger getCount() {        return count;    }    public void setCount(AtomicInteger count) {        this.count = count;    }}
public class TradePublisher implements Runnable {    Disruptor<Trade> disruptor;    private CountDownLatch latch;    private static int LOOP=1;    public TradePublisher(Disruptor<Trade> disruptor, CountDownLatch latch) {        this.disruptor = disruptor;        this.latch = latch;    }    @Override    public void run() {        TradeEventTranslator tradeEventTranslator = new TradeEventTranslator();        for(int i=0;i<LOOP;i++){            disruptor.publishEvent(tradeEventTranslator);        }        latch.countDown();    }}class TradeEventTranslator implements EventTranslator<Trade>{    private Random random = new Random();    @Override    public void translateTo(Trade trade, long l) {        this.generateTrade(trade);    }    private Trade generateTrade(Trade event){        event.setPrice(random.nextDouble()*9999);        return event;    }}
public class Handler1 implements EventHandler<Trade>,WorkHandler<Trade>{    @Override    public void onEvent(Trade trade) throws Exception {        System.out.println("handler1:set Name");        trade.setName("h1");        Thread.sleep(1000);    }    @Override    public void onEvent(Trade trade, long l, boolean b) throws Exception {        this.onEvent(trade);    }}
public class Handler2 implements EventHandler<Trade>,WorkHandler<Trade> {    @Override    public void onEvent(Trade trade, long l, boolean b) throws Exception {        System.out.println("handler2:set price");        trade.setPrice(17.0);        Thread.sleep(1000);    }    @Override    public void onEvent(Trade trade) throws Exception {        this.onEvent(trade);    }}
public class Handler3 implements EventHandler<Trade>,WorkHandler<Trade> {    @Override    public void onEvent(Trade trade, long l, boolean b) throws Exception {        System.out.println("handler3:name: "+trade.getName()+", price:"+trade.getPrice());    }    @Override    public void onEvent(Trade trade) throws Exception {        this.onEvent(trade);    }}
public class Main {    public static void main(String[] args) throws InterruptedException {        long beginTime = System.currentTimeMillis();        int bufferSize = 1024;        ExecutorService executro = Executors.newFixedThreadPool(8);        Disruptor<Trade> disruptor = new Disruptor<Trade>(new EventFactory<Trade>() {            @Override            public Trade newInstance() {                return new Trade();            }        },bufferSize,executro, ProducerType.SINGLE,new YieldingWaitStrategy());        EventHandlerGroup<Trade> handlerGroup = disruptor.handleEventsWith(new Handler1(),new Handler2());        handlerGroup.then(new Handler3());        disruptor.start();        CountDownLatch latch = new CountDownLatch(1);        executro.submit(new TradePublisher(disruptor,latch));        latch.await();        disruptor.shutdown();        executro.shutdown();        System.out.println("总耗时:"+(System.currentTimeMillis()-beginTime));    }}
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