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Merge branch 'tomekl007-BAEL-572'

This commit is contained in:
Pedja 2017-02-03 17:38:45 +01:00
parent b9c4496a71 2dcc2311c5
commit 5c4b550870
9 changed files with 211 additions and 0 deletions
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1
pom.xml
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@ -94,6 +94,7 @@
<module>rest-assured</module>
<module>rest-testing</module>
<module>resteasy</module>
<module>rxjava</module>
<module>selenium-junit-testng</module>
<module>solr-fulltext-search</module>

35
rxjava/pom.xml Normal file
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@ -0,0 +1,35 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.baeldung</groupId>
<artifactId>rxjava</artifactId>
<version>1.0-SNAPSHOT</version>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>io.reactivex</groupId>
<artifactId>rxjava</artifactId>
<version>${rx.java.version}</version>
</dependency>
</dependencies>
<properties>
<rx.java.version>1.2.5</rx.java.version>
</properties>
</project>

38
rxjava/src/main/java/com/baelding/rxjava/ColdObservableBackpressure.java Normal file
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@ -0,0 +1,38 @@
package com.baelding.rxjava;
import rx.Observable;
import rx.schedulers.Schedulers;
public class ColdObservableBackpressure {
public static void main(String[] args) throws InterruptedException {
Observable.range(1, 1_000_000).observeOn(Schedulers.computation()).subscribe(v -> ComputeFunction.compute(v), Throwable::printStackTrace);
Thread.sleep(10_000);
// Observable.range(1, 1_000_000) //implementation of reactive pull backpressure on cold observable
// .subscribe(new Subscriber<Integer>() {
// @Override
// public void onStart() {
// request(1);
// }
//
// public void onNext(Integer v) {
// compute(v);
//
// request(1);
// }
//
// @Override
// public void onError(Throwable ex) {
// ex.printStackTrace();
// }
//
// @Override
// public void onCompleted() {
// System.out.println("Done!");
// }
// });
}
}

43
rxjava/src/main/java/com/baelding/rxjava/ComputeFunction.java Normal file
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@ -0,0 +1,43 @@
package com.baelding.rxjava;
import rx.Observable;
import java.util.List;
public class ComputeFunction {
public static void compute(Integer v) {
try {
System.out.println("compute integer v: " + v);
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
public static void compute(List<Integer> v) {
try {
System.out.println("compute integer v: " + v);
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
public static void compute(Observable<Integer> v) {
try {
v.forEach(System.out::println);
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
public static void compute(Long v) {
try {
System.out.println("compute integer v: " + v);
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}

18
rxjava/src/main/java/com/baelding/rxjava/HotObservableBackpressureBatching.java Normal file
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@ -0,0 +1,18 @@
package com.baelding.rxjava;
import rx.schedulers.Schedulers;
import rx.subjects.PublishSubject;
public class HotObservableBackpressureBatching {
public static void main(String[] args) throws InterruptedException {
PublishSubject<Integer> source = PublishSubject.<Integer>create();
source.window(500).observeOn(Schedulers.computation()).subscribe(ComputeFunction::compute, Throwable::printStackTrace);
for (int i = 0; i < 1_000_000; i++) {
source.onNext(i);
}
Thread.sleep(10_000);
}
}

17
rxjava/src/main/java/com/baelding/rxjava/HotObservableBackpressureBuffering.java Normal file
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@ -0,0 +1,17 @@
package com.baelding.rxjava;
import rx.schedulers.Schedulers;
import rx.subjects.PublishSubject;
public class HotObservableBackpressureBuffering {
public static void main(String[] args) throws InterruptedException {
PublishSubject<Integer> source = PublishSubject.<Integer>create();
source.buffer(1024).observeOn(Schedulers.computation()).subscribe(ComputeFunction::compute, Throwable::printStackTrace);
for (int i = 0; i < 1_000_000; i++) {
source.onNext(i);
}
Thread.sleep(10_000);
}
}

21
rxjava/src/main/java/com/baelding/rxjava/HotObservableBackpressureSkipping.java Normal file
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@ -0,0 +1,21 @@
package com.baelding.rxjava;
import rx.schedulers.Schedulers;
import rx.subjects.PublishSubject;
import java.util.concurrent.TimeUnit;
public class HotObservableBackpressureSkipping {
public static void main(String[] args) throws InterruptedException {
PublishSubject<Integer> source = PublishSubject.<Integer>create();
source.sample(100, TimeUnit.MILLISECONDS)
// .throttleFirst(100, TimeUnit.MILLISECONDS)
.observeOn(Schedulers.computation()).subscribe(ComputeFunction::compute, Throwable::printStackTrace);
for (int i = 0; i < 1_000_000; i++) {
source.onNext(i);
}
Thread.sleep(10_000);
}
}

18
rxjava/src/main/java/com/baelding/rxjava/HotObservableOnBackpressure.java Normal file
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@ -0,0 +1,18 @@
package com.baelding.rxjava;
import rx.BackpressureOverflow;
import rx.Observable;
import rx.schedulers.Schedulers;
public class HotObservableOnBackpressure {
public static void main(String[] args) throws InterruptedException {
Observable.range(1, 1_000_000).onBackpressureBuffer(16, () -> {
}, BackpressureOverflow.ON_OVERFLOW_DROP_OLDEST).observeOn(Schedulers.computation()).subscribe(e -> {
}, Throwable::printStackTrace);
Observable.range(1, 1_000_000).onBackpressureDrop().observeOn(Schedulers.io()).doOnNext(ComputeFunction::compute).subscribe(v -> {
}, Throwable::printStackTrace);
Thread.sleep(10_000);
}
}

20
rxjava/src/main/java/com/baelding/rxjava/HotObservableWithoutBackpressure.java Normal file
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@ -0,0 +1,20 @@
package com.baelding.rxjava;
import rx.schedulers.Schedulers;
import rx.subjects.PublishSubject;
public class HotObservableWithoutBackpressure {
public static void main(String[] args) throws InterruptedException {
PublishSubject<Integer> source = PublishSubject.<Integer>create();
source.observeOn(Schedulers.computation())
.subscribe(ComputeFunction::compute, Throwable::printStackTrace);
for (int i = 0; i < 1_000_000; i++) {
source.onNext(i);
}
Thread.sleep(10_000);
}
}