Created
December 17, 2018 22:15
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package com.github.farukonder.experimenting.frp.rxjava2.simple; | |
import java.util.concurrent.ExecutorService; | |
import java.util.concurrent.Executors; | |
import java.util.concurrent.ThreadFactory; | |
import io.reactivex.Observable; | |
import io.reactivex.schedulers.Schedulers; | |
public class Schedulers2LevelBlocking { | |
static ExecutorService observeOn_1 = Executors.newFixedThreadPool(5, new WorkerThreadFactory("observeOn1")); | |
static ExecutorService subscribeOn_1 = Executors.newFixedThreadPool(5, new WorkerThreadFactory("subscribeOn1")); | |
static ExecutorService observeOn_2 = Executors.newFixedThreadPool(5, new WorkerThreadFactory("observeOn2")); | |
static ExecutorService subscribeOn_2 = Executors.newFixedThreadPool(5, new WorkerThreadFactory("subscribeOn2")); | |
static String getlog(String operation,String threadName,String values){ | |
return getlogg(operation, threadName, values, ""); | |
} | |
static String getlogg(String operation,String threadName,String values,String i){ | |
return padRight(operation, 10) + ", " + padRight(threadName, 15) + ", "+ padRight(values, 25) + ", "+ i.replaceAll("\\s+"," "); | |
} | |
static Observable<String> flatMapV2(String threadName, Object v1){ | |
System.out.println(getlog("flatMapV2",threadName,"v1: " + v1)); | |
return Observable.create(emitter -> { | |
int count = 0; | |
while (count++<2) { | |
System.out.println(getlog("create2",Thread.currentThread().getName(),"v1: " + v1 + " count: " + count)); | |
emitter.onNext("" + count); | |
} | |
emitter.onComplete(); | |
}) | |
.observeOn(Schedulers.from(observeOn_2)) | |
.subscribeOn(Schedulers.from(subscribeOn_2)) | |
.doOnNext(i -> System.out.println(getlogg("doOnNext2",Thread.currentThread().getName(),"v1: " + v1," i: " + i))) | |
.map(i -> getlogg("map2",Thread.currentThread().getName(),"",i.toString())); | |
} | |
public static void main(String[] args) throws InterruptedException { | |
Observable.create(s -> { | |
int count = 0; | |
while (count++ < 2) { | |
System.out.println(getlog("create1",Thread.currentThread().getName(),"v1: " + count)); | |
s.onNext(count); | |
} | |
s.onComplete(); | |
}).<String>flatMap(v -> flatMapV2(Thread.currentThread().getName(),v)) | |
.observeOn(Schedulers.from(observeOn_1)) | |
.subscribeOn(Schedulers.from(subscribeOn_1)) | |
.doOnNext(i -> System.out.println(getlogg("doOnNext",Thread.currentThread().getName(),""," i: " + i))) | |
.map(i -> getlogg("map1",Thread.currentThread().getName(),"",i)) | |
.blockingSubscribe | |
(s -> System.out.println(getlogg("bSubscribe", Thread.currentThread().getName(), "", " s: " + s))); | |
observeOn_1.shutdown(); | |
subscribeOn_1.shutdown(); | |
observeOn_2.shutdown(); | |
subscribeOn_2.shutdown(); | |
} | |
public static class WorkerThreadFactory implements ThreadFactory { | |
private int counter = 0; | |
private String prefix = ""; | |
public WorkerThreadFactory(String prefix) { | |
this.prefix = prefix; | |
} | |
public Thread newThread(Runnable r) { | |
return new Thread(r, prefix + "_" + counter++); | |
} | |
} | |
public static String padRight(String s, int n) { | |
return String.format("%1$-" + n + "s", s); | |
} | |
public static String padLeft(String s, int n) { | |
return String.format("%1$" + n + "s", s); | |
} | |
} |
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create1 , subscribeOn1_0 , v1: 1 , | |
flatMapV2 , subscribeOn1_0 , v1: 1 , | |
create1 , subscribeOn1_0 , v1: 2 , | |
create2 , subscribeOn2_0 , v1: 1 count: 1 , | |
flatMapV2 , subscribeOn1_0 , v1: 2 , | |
create2 , subscribeOn2_1 , v1: 2 count: 1 , | |
create2 , subscribeOn2_0 , v1: 1 count: 2 , | |
create2 , subscribeOn2_1 , v1: 2 count: 2 , | |
doOnNext2 , observeOn2_1 , v1: 2 , i: 1 | |
doOnNext2 , observeOn2_0 , v1: 1 , i: 1 | |
doOnNext2 , observeOn2_1 , v1: 2 , i: 2 | |
doOnNext2 , observeOn2_0 , v1: 1 , i: 2 | |
doOnNext , observeOn1_0 , , i: map2 , observeOn2_0 , , 1 | |
doOnNext , observeOn1_0 , , i: map2 , observeOn2_1 , , 1 | |
doOnNext , observeOn1_0 , , i: map2 , observeOn2_1 , , 2 | |
doOnNext , observeOn1_0 , , i: map2 , observeOn2_0 , , 2 | |
bSubscribe, main , , s: map1 , observeOn1_0 , , map2 , observeOn2_0 , , 1 | |
bSubscribe, main , , s: map1 , observeOn1_0 , , map2 , observeOn2_1 , , 1 | |
bSubscribe, main , , s: map1 , observeOn1_0 , , map2 , observeOn2_1 , , 2 | |
bSubscribe, main , , s: map1 , observeOn1_0 , , map2 , observeOn2_0 , , 2 |
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