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??????Disruptor?????????????????????
com.lmax disruptor 3.2.1 org.project.lombok lombok 1.18.8 true
?com.zhz.disruptor.event???????LongEvent?
package com.zhz.disruptor.event;import lombok.Data;/** * @author : zhz * @date : Created in 2020/12/30 * @version: V1.0 * @slogan: ??????????????? * @description: ????event ??Disruptor?????????? */@Datapublic class LongEvent { private Long value;} ?com.zhz.disruptor.event????????LongEventFactory?
package com.zhz.disruptor.event;import com.lmax.disruptor.EventFactory;/** * @author : zhz * @date : Created in 2020/12/30 * @version: V1.0 * @slogan: ??????????????? * @description: ?????? */public class LongEventFactory implements EventFactory{ @Override public LongEvent newInstance() { return new LongEvent(); }}
?com.zhz.disruptor?????????LongEventHandler?
package com.zhz.disruptor;import com.lmax.disruptor.EventHandler;import com.zhz.disruptor.event.LongEvent;import lombok.extern.slf4j.Slf4j;/** * @author : zhz * @date : Created in 2020/12/30 * @version: V1.0 * @slogan: ??????????????? * @description: ????? */@Slf4jpublic class LongEventHandler implements EventHandler{ private long serial = 0; public LongEventHandler(long serial) { this.serial = serial; } @Override public void onEvent(LongEvent event, long sequence, boolean endOfBatch) throws Exception { log.info("???-{}: {}", this.serial, event.getValue()); }}
?com.zhz.disruptor?????????LongEventProducer?
package com.zhz.disruptor;import com.lmax.disruptor.RingBuffer;import com.zhz.disruptor.event.LongEvent;import lombok.extern.slf4j.Slf4j;import java.nio.ByteBuffer;/** * @author : zhz * @date : Created in 2020/12/30 * @version: V1.0 * @slogan: ??????????????? * @description: ????? */@Slf4jpublic class LongEventProducer { private final RingBuffer ringBuffer; public LongEventProducer(RingBuffer ringBuffer) { this.ringBuffer = ringBuffer; } public void onData(ByteBuffer byteBuffer) { long sequence = ringBuffer.next(); Long data = null; try { LongEvent event = ringBuffer.get(sequence); data = byteBuffer.getLong(0); event.setValue(data); try { Thread.sleep(10); } catch (InterruptedException e) { e.printStackTrace(); } } finally { log.info("?????????"); ringBuffer.publish(sequence); } }} ?com.zhz.disruptor???????DisruptorMain?
package com.zhz.disruptor;import com.lmax.disruptor.EventFactory;import com.lmax.disruptor.RingBuffer;import com.lmax.disruptor.YieldingWaitStrategy;import com.lmax.disruptor.dsl.Disruptor;import com.lmax.disruptor.dsl.ProducerType;import com.zhz.disruptor.event.LongEvent;import com.zhz.disruptor.event.LongEventFactory;import java.nio.ByteBuffer;import java.util.concurrent.ExecutorService;import java.util.concurrent.Executors;/** * @author : zhz * @date : Created in 2020/12/30 * @version: V1.0 * @slogan: ??????????????? * @description: */public class DisruptorMain { public static void main(String[] args) { // ?????????????????Consumer????? ExecutorService executor = Executors.newCachedThreadPool(); // ???? EventFactory eventFactory = new LongEventFactory(); // ??ringBuffer???????2?N?? int ringBufferSize = 1024; // ??Disruptor Disruptor disruptor = new Disruptor<>(eventFactory, ringBufferSize, executor, ProducerType.SINGLE, new YieldingWaitStrategy()); // ??????? disruptor.handleEventsWith(new LongEventHandler(1), new LongEventHandler(2)); // ?? disruptor.start(); // ??RingBuffer?? RingBuffer ringBuffer = disruptor.getRingBuffer(); // ????? LongEventProducer producer = new LongEventProducer(ringBuffer); // ??????? ByteBuffer byteBuffer = ByteBuffer.allocate(8); for (int i = 1; i <= 10; i++) { byteBuffer.putLong(0, i); producer.onData(byteBuffer); } //??disruptor?executor disruptor.shutdown(); executor.shutdown(); }} ??????Disruptor????????????????????????????????????????????????????????????????????????????????????????????????
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