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This commit is contained in:
Somnath Musib 2022-04-16 07:29:53 +05:30
parent 859e4bac77
commit a341bb7c65
3 changed files with 18 additions and 15 deletions
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3
reactor-core/src/main/java/com/baeldung/reactor/creation/CharacterCreator.java → reactor-core/src/main/java/com/baeldung/reactor/generate/create/CharacterCreator.java
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@ -1,4 +1,4 @@
package com.baeldung.reactor.creation; package com.baeldung.reactor.generate.create;
import java.util.List; import java.util.List;
import java.util.function.Consumer; import java.util.function.Consumer;
@ -6,7 +6,6 @@ import java.util.function.Consumer;
import reactor.core.publisher.Flux; import reactor.core.publisher.Flux;
public class CharacterCreator { public class CharacterCreator {
public Consumer<List<Character>> consumer; public Consumer<List<Character>> consumer;
public Flux<Character> createCharacterSequence() { public Flux<Character> createCharacterSequence() {

4
reactor-core/src/main/java/com/baeldung/reactor/creation/CharacterGenerator.java → reactor-core/src/main/java/com/baeldung/reactor/generate/create/CharacterGenerator.java
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@ -1,11 +1,9 @@
package com.baeldung.reactor.creation; package com.baeldung.reactor.generate.create;
import reactor.core.publisher.Flux; import reactor.core.publisher.Flux;
public class CharacterGenerator { public class CharacterGenerator {
public Flux<Character> generateCharacters() { public Flux<Character> generateCharacters() {
return Flux.generate(() -> 97, (state, sink) -> { return Flux.generate(() -> 97, (state, sink) -> {
char value = (char) state.intValue(); char value = (char) state.intValue();
sink.next(value); sink.next(value);

26
reactor-core/src/test/java/com/baeldung/reactor/creation/CharacterUnitTest.java → reactor-core/src/test/java/com/baeldung/reactor/generate/create/CharacterUnitTest.java
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@ -1,4 +1,4 @@
package com.baeldung.reactor.creation; package com.baeldung.reactor.generate.create;
import static org.assertj.core.api.Assertions.assertThat; import static org.assertj.core.api.Assertions.assertThat;
@ -11,7 +11,6 @@ import reactor.core.publisher.Flux;
import reactor.test.StepVerifier; import reactor.test.StepVerifier;
public class CharacterUnitTest { public class CharacterUnitTest {
@Test @Test
public void whenGeneratingCharacters_thenCharactersAreProduced() { public void whenGeneratingCharacters_thenCharactersAreProduced() {
CharacterGenerator characterGenerator = new CharacterGenerator(); CharacterGenerator characterGenerator = new CharacterGenerator();
@ -26,24 +25,31 @@ public class CharacterUnitTest {
@Test @Test
public void whenCreatingCharactersWithMultipleThreads_thenSequenceIsProducedAsynchronously() throws InterruptedException { public void whenCreatingCharactersWithMultipleThreads_thenSequenceIsProducedAsynchronously() throws InterruptedException {
CharacterGenerator characterGenerator = new CharacterGenerator(); CharacterGenerator characterGenerator = new CharacterGenerator();
List<Character> sequence1 = characterGenerator.generateCharacters().take(3).collectList().block(); List<Character> sequence1 = characterGenerator.generateCharacters()
List<Character> sequence2 = characterGenerator.generateCharacters().take(2).collectList().block(); .take(3)
.collectList()
.block();
List<Character> sequence2 = characterGenerator.generateCharacters()
.take(2)
.collectList()
.block();
CharacterCreator characterCreator = new CharacterCreator(); CharacterCreator characterCreator = new CharacterCreator();
Thread producingThread1 = new Thread(
Thread producerThread1 = new Thread(
() -> characterCreator.consumer.accept(sequence1) () -> characterCreator.consumer.accept(sequence1)
); );
Thread producingThread2 = new Thread( Thread producerThread2 = new Thread(
() -> characterCreator.consumer.accept(sequence2) () -> characterCreator.consumer.accept(sequence2)
); );
List<Character> consolidated = new ArrayList<>(); List<Character> consolidated = new ArrayList<>();
characterCreator.createCharacterSequence().subscribe(consolidated::add); characterCreator.createCharacterSequence().subscribe(consolidated::add);
producingThread1.start(); producerThread1.start();
producingThread2.start(); producerThread2.start();
producingThread1.join(); producerThread1.join();
producingThread2.join(); producerThread2.join();
assertThat(consolidated).containsExactlyInAnyOrder('a', 'b', 'c', 'a', 'b'); assertThat(consolidated).containsExactlyInAnyOrder('a', 'b', 'c', 'a', 'b');
} }