Created
April 14, 2015 12:07
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Multiple stages for forking and joining.
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| package com.jernejerin.reactor.samples; | |
| import reactor.Environment; | |
| import reactor.core.DispatcherSupplier; | |
| import reactor.rx.Streams; | |
| import java.util.Arrays; | |
| import java.util.List; | |
| /** | |
| * Created by Jernej Jerin on 7.4.2015. | |
| */ | |
| public class SimpleForkJoinPool2 { | |
| public static void main(String[] args) throws InterruptedException { | |
| Environment.initialize(); | |
| List<String> ids = Arrays.asList("1", "2", "3", "4", "5", "6", "7", "8", "9", "10"); | |
| DispatcherSupplier supplier1 = Environment.newCachedDispatchers(2, "pool1"); | |
| DispatcherSupplier supplier2 = Environment.newCachedDispatchers(5, "pool2"); | |
| Streams.from(ids) | |
| .dispatchOn(Environment.sharedDispatcher()) | |
| .partition(2) | |
| // here we receive multiple streams | |
| .flatMap(stream -> stream | |
| // we need to call dispatch on each stream | |
| .dispatchOn(supplier1.get()) | |
| .map(s -> s + " " + Thread.currentThread().toString()) | |
| ) | |
| .map(t -> { | |
| System.out.println(Thread.currentThread() + ", worker=" + t); | |
| return t; | |
| }) | |
| // Also tried to do another dispatch but with no success. | |
| // .dispatchOn(Environment.sharedDispatcher()) | |
| .partition(5) | |
| // here we receive multiple streams | |
| .flatMap(stream -> stream | |
| // we need to call dispatch on each stream | |
| .dispatchOn(supplier2.get()) | |
| .map(s -> s + " " + Thread.currentThread().toString()) | |
| ) | |
| // worker threads should be funneled into the same, specific thread | |
| // https://groups.google.com/forum/#!msg/reactor-framework/JO0hGftOaZs/20IhESjPQI0J | |
| .consume(t -> System.out.println(Thread.currentThread() + ", worker=" + t)); | |
| Thread.sleep(500); | |
| } | |
| } |
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