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JAVA-8924 Fixed spliterator packages and formatting (#14211)

This commit is contained in:
Dhawal Kapil 2023-06-10 12:42:38 +05:30 committed by GitHub
parent ecce4a4121
commit fec7001cbd
8 changed files with 72 additions and 61 deletions
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2
core-java-modules/core-java-8/src/main/java/com/baeldung/spliteratorAPI/Article.java → core-java-modules/core-java-8/src/main/java/com/baeldung/spliterator/Article.java
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@ -1,4 +1,4 @@
package com.baeldung.spliteratorAPI;
package com.baeldung.spliterator;
import java.util.List;

2
core-java-modules/core-java-8/src/main/java/com/baeldung/spliteratorAPI/Author.java → core-java-modules/core-java-8/src/main/java/com/baeldung/spliterator/Author.java
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@ -1,4 +1,4 @@
package com.baeldung.spliteratorAPI;
package com.baeldung.spliterator;
public class Author {
private String name;

2
core-java-modules/core-java-8/src/main/java/com/baeldung/spliteratorAPI/Executor.java → core-java-modules/core-java-8/src/main/java/com/baeldung/spliterator/Executor.java
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@ -1,4 +1,4 @@
package com.baeldung.spliteratorAPI;
package com.baeldung.spliterator;
import java.util.List;
import java.util.stream.Collectors;

2
core-java-modules/core-java-8/src/main/java/com/baeldung/spliteratorAPI/RelatedAuthorCounter.java → core-java-modules/core-java-8/src/main/java/com/baeldung/spliterator/RelatedAuthorCounter.java
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@ -1,4 +1,4 @@
package com.baeldung.spliteratorAPI;
package com.baeldung.spliterator;
public class RelatedAuthorCounter {
private final int counter;

2
core-java-modules/core-java-8/src/main/java/com/baeldung/spliteratorAPI/RelatedAuthorSpliterator.java → core-java-modules/core-java-8/src/main/java/com/baeldung/spliterator/RelatedAuthorSpliterator.java
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@ -1,4 +1,4 @@
package com.baeldung.spliteratorAPI;
package com.baeldung.spliterator;
import java.util.List;
import java.util.Spliterator;

2
core-java-modules/core-java-8/src/main/java/com/baeldung/spliteratorAPI/Task.java → core-java-modules/core-java-8/src/main/java/com/baeldung/spliterator/Task.java
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@ -1,4 +1,4 @@
package com.baeldung.spliteratorAPI;
package com.baeldung.spliterator;
import java.util.Spliterator;
import java.util.concurrent.Callable;

66
core-java-modules/core-java-8/src/test/java/com/baeldung/spliterator/ExecutorUnitTest.java Normal file
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@ -0,0 +1,66 @@
package com.baeldung.spliterator;
import java.util.Arrays;
import java.util.List;
import java.util.Spliterator;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import java.util.stream.StreamSupport;
import static org.assertj.core.api.Assertions.*;
import org.junit.Before;
import org.junit.Test;
import com.baeldung.spliterator.Article;
import com.baeldung.spliterator.Author;
import com.baeldung.spliterator.Executor;
import com.baeldung.spliterator.RelatedAuthorSpliterator;
import com.baeldung.spliterator.Task;
public class ExecutorUnitTest {
Article article;
Stream<Author> stream;
Spliterator<Author> spliterator;
Spliterator<Article> split1;
Spliterator<Article> split2;
@Before
public void init() {
article = new Article(Arrays.asList(new Author("Ahmad", 0), new Author("Eugen", 0), new Author("Alice", 1), new Author("Alice", 1), new Author("Mike", 0), new Author("Alice", 1), new Author("Mike", 0), new Author("Alice", 1), new Author("Mike", 0),
new Author("Alice", 1), new Author("Mike", 0), new Author("Mike", 0), new Author("Alice", 1), new Author("Mike", 0), new Author("Alice", 1), new Author("Mike", 0), new Author("Alice", 1), new Author("Mike", 0), new Author("Alice", 1),
new Author("Mike", 0), new Author("Michał", 0), new Author("Loredana", 1)), 0);
stream = article.getListOfAuthors()
.stream();
split1 = Executor.generateElements()
.spliterator();
split2 = split1.trySplit();
spliterator = new RelatedAuthorSpliterator(article.getListOfAuthors());
}
@Test
public void givenAstreamOfAuthors_whenProcessedInParallelWithCustomSpliterator_coubtProducessRightOutput() {
Stream<Author> stream2 = StreamSupport.stream(spliterator, true);
assertThat(Executor.countAutors(stream2.parallel())).isEqualTo(9);
}
@Test
public void givenSpliterator_whenAppliedToAListOfArticle_thenSplittedInHalf() {
assertThat(new Task(split1).call()).containsSequence(Executor.generateElements()
.size() / 2 + "");
assertThat(new Task(split2).call()).containsSequence(Executor.generateElements()
.size() / 2 + "");
}
@Test
public void givenAstreamOfArticles_whenProcessedInSequentiallyWithSpliterator_ProducessRightOutput() {
List<Article> articles = Stream.generate(() -> new Article("Java"))
.limit(35000)
.collect(Collectors.toList());
Spliterator<Article> spliterator = articles.spliterator();
while (spliterator.tryAdvance(article -> article.setName(article.getName()
.concat("- published by Baeldung"))));
articles.forEach(article -> assertThat(article.getName()).isEqualTo("Java- published by Baeldung"));
}
}

55
core-java-modules/core-java-8/src/test/java/com/baeldung/spliteratorAPI/ExecutorUnitTest.java
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@ -1,55 +0,0 @@
package com.baeldung.spliteratorAPI;
import java.util.Arrays;
import java.util.List;
import java.util.Spliterator;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import java.util.stream.StreamSupport;
import static org.assertj.core.api.Assertions.*;
import org.junit.Before;
import org.junit.Test;
public class ExecutorUnitTest {
Article article;
Stream<Author> stream;
Spliterator<Author> spliterator;
Spliterator<Article> split1;
Spliterator<Article> split2;
@Before
public void init() {
article = new Article(Arrays.asList(new Author("Ahmad", 0), new Author("Eugen", 0), new Author("Alice", 1),
new Author("Alice", 1), new Author("Mike", 0), new Author("Alice", 1), new Author("Mike", 0),
new Author("Alice", 1), new Author("Mike", 0), new Author("Alice", 1), new Author("Mike", 0),
new Author("Mike", 0), new Author("Alice", 1), new Author("Mike", 0), new Author("Alice", 1),
new Author("Mike", 0), new Author("Alice", 1), new Author("Mike", 0), new Author("Alice", 1),
new Author("Mike", 0), new Author("Michał", 0), new Author("Loredana", 1)), 0);
stream = article.getListOfAuthors().stream();
split1 = Executor.generateElements().spliterator();
split2 = split1.trySplit();
spliterator = new RelatedAuthorSpliterator(article.getListOfAuthors());
}
@Test
public void givenAstreamOfAuthors_whenProcessedInParallelWithCustomSpliterator_coubtProducessRightOutput() {
Stream<Author> stream2 = StreamSupport.stream(spliterator, true);
assertThat(Executor.countAutors(stream2.parallel())).isEqualTo(9);
}
@Test
public void givenSpliterator_whenAppliedToAListOfArticle_thenSplittedInHalf() {
assertThat(new Task(split1).call()).containsSequence(Executor.generateElements().size() / 2 + "");
assertThat(new Task(split2).call()).containsSequence(Executor.generateElements().size() / 2 + "");
}
@Test
public void givenAstreamOfArticles_whenProcessedInSequentiallyWithSpliterator_ProducessRightOutput() {
List<Article> articles = Stream.generate(() -> new Article("Java")).limit(35000).collect(Collectors.toList());
Spliterator<Article> spliterator = articles.spliterator();
while (spliterator.tryAdvance(article -> article.setName(article.getName().concat("- published by Baeldung"))));
articles.forEach(article -> assertThat(article.getName()).isEqualTo("Java- published by Baeldung"));
}
}