Java Code Examples for io.reactivex.Observable#fromArray()

The following examples show how to use io.reactivex.Observable#fromArray() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: OperatorsTest.java From Java-programming-methodology-Rxjava-articles with Apache License 2.0

7 votes

@Test
void zip_test3() {
    Integer[] numbers = {1, 2, 13, 34, 15, 17};
    String[] fruits = {"苹果", "梨", "李子", "荔枝",
            "芒果"};

    Observable<Integer> source1 = Observable.fromArray(numbers);
    Observable<String> source2 = Observable.fromArray(fruits);
    Observable<Integer> source3 = Observable.range(10, 3);

    Observable.zip(source1, source2, source3,
            (value1, value2, value3) -> value1 + ":" + value2 + "*" + value3)
              .subscribe(item -> System.out.println("we got: " + item + "  from the Observable"),
                      throwable -> System.out.println("异常-> " + throwable.getMessage()),
                      () -> System.out.println("Emission completed"));
}

Example 2

Source File: NonBlockingOperators.java From Learn-Java-12-Programming with MIT License

7 votes

private static void transforming(){
    Observable<String> obs = Observable.fromArray("one", "two");

    obs.map(s ->  s.contains("w") ? 1 : 0).forEach(System.out::print); //prints: 01

    List<String> os = new ArrayList<>();
    List<String> noto = new ArrayList<>();
    obs.flatMap(s -> Observable.fromArray(s.split("")))
            .groupBy(s -> "o".equals(s) ? "o" : "noto")
            .subscribe(g -> g.subscribe(s -> {
                if (g.getKey().equals("o")) {
                    os.add(s);
                } else {
                    noto.add(s);
                }
            }));
    System.out.println(os);     //prints: [o, o]
    System.out.println(noto);   //prints: [n, e, t, w]

    pauseMs(100);
}

Example 3

Source File: RxJavaTest.java From smallrye-mutiny with Apache License 2.0

5 votes

@Test
public void createMultiFromRx() {
    // tag::multi-create[]
    Completable completable = Completable.complete();
    Single<String> single = Single.just("hello");
    Maybe<String> maybe = Maybe.just("hello");
    Maybe<String> emptyMaybe = Maybe.empty();
    Observable<String> observable = Observable.fromArray("a", "b", "c");
    Flowable<String> flowable = Flowable.fromArray("a", "b", "c");

    Multi<Void> multiFromCompletable = Multi.createFrom()
            .converter(MultiRxConverters.fromCompletable(), completable);
    Multi<String> multiFromSingle = Multi.createFrom().converter(MultiRxConverters.fromSingle(), single);
    Multi<String> multiFromMaybe = Multi.createFrom().converter(MultiRxConverters.fromMaybe(), maybe);
    Multi<String> multiFromEmptyMaybe = Multi.createFrom().converter(MultiRxConverters.fromMaybe(), emptyMaybe);
    Multi<String> multiFromObservable = Multi.createFrom()
            .converter(MultiRxConverters.fromObservable(), observable);
    Multi<String> multiFromFlowable = Multi.createFrom().converter(MultiRxConverters.fromFlowable(), flowable);
    Multi<String> multiFromPublisher = Multi.createFrom().publisher(flowable);
    // end::multi-create[]

    assertThat(multiFromCompletable.collectItems().first().await().indefinitely()).isNull();
    assertThat(multiFromSingle.collectItems().first().await().indefinitely()).isEqualTo("hello");
    assertThat(multiFromMaybe.collectItems().first().await().indefinitely()).isEqualTo("hello");
    assertThat(multiFromEmptyMaybe.collectItems().first().await().indefinitely()).isNull();
    assertThat(multiFromObservable.collectItems().asList().await().indefinitely()).containsExactly("a", "b", "c");
    assertThat(multiFromFlowable.collectItems().asList().await().indefinitely()).containsExactly("a", "b", "c");
    assertThat(multiFromPublisher.collectItems().asList().await().indefinitely()).containsExactly("a", "b", "c");
}

Example 4

Source File: BufferSkipSingleZero.java From akarnokd-misc with Apache License 2.0

5 votes

@Test
public void test2() {
Observable<Integer> source = Observable.fromArray(
        0, 0, 0, 0, 0, 0, 0, 5, 5, 6, 7, 8, 8,
        0, 0, 9, 10, 11, 4, 5, 6, 5, 0, 0, 0, 0, 0
);

source
.compose(skipSingleZero())
.test()
.assertResult(
        0, 0, 0, 0, 0, 0, 0, 5, 5, 6, 7, 8, 8,
        0, 0, 9, 10, 11, 4, 5, 6, 5, 0, 0, 0, 0, 0
);
}

Example 5

Source File: BufferSkipSingleZero.java From akarnokd-misc with Apache License 2.0

5 votes

@Test
public void test() {
Observable<Integer> source = Observable.fromArray(
        0, 0, 0, 0, 0, 0, 0, 5, 5, 6, 7, 8, 8,
        0, 9, 10, 11, 4, 5, 6, 5, 0, 0, 0, 0, 0
);

source
.compose(skipSingleZero())
.test()
.assertResult(
        0, 0, 0, 0, 0, 0, 0, 5, 5, 6, 7, 8, 8,
        9, 10, 11, 4, 5, 6, 5, 0, 0, 0, 0, 0
);
}

Example 6

Source File: MusicRepositoryImpl.java From klingar with Apache License 2.0

5 votes

private Observable<PlexItem> mediaTypes(Library lib) {
  return Observable.fromArray(new MediaType[]{
      MediaType.builder()
          .title("Artists")
          .type(Type.ARTIST)
          .mediaKey("8")
          .libraryKey(lib.key())
          .libraryId(lib.uuid())
          .uri(lib.uri())
          .build(),
      MediaType.builder()
          .title("Albums")
          .type(Type.ALBUM)
          .mediaKey("9")
          .libraryKey(lib.key())
          .libraryId(lib.uuid())
          .uri(lib.uri())
          .build(),
      MediaType.builder()
          .title("Tracks")
          .type(Type.TRACK)
          .mediaKey("10")
          .libraryKey(lib.key())
          .libraryId(lib.uuid())
          .uri(lib.uri())
          .build()
  });
}

Example 7

Source File: MergeExampleActivity.java From RxJava2-Android-Samples with Apache License 2.0

5 votes

private void doSomeWork() {
    final String[] aStrings = {"A1", "A2", "A3", "A4"};
    final String[] bStrings = {"B1", "B2", "B3"};

    final Observable<String> aObservable = Observable.fromArray(aStrings);
    final Observable<String> bObservable = Observable.fromArray(bStrings);

    Observable.merge(aObservable, bObservable)
            .subscribe(getObserver());
}

Example 8

Source File: ConcatExampleActivity.java From RxJava2-Android-Samples with Apache License 2.0

5 votes

private void doSomeWork() {
    final String[] aStrings = {"A1", "A2", "A3", "A4"};
    final String[] bStrings = {"B1", "B2", "B3"};

    final Observable<String> aObservable = Observable.fromArray(aStrings);
    final Observable<String> bObservable = Observable.fromArray(bStrings);

    Observable.concat(aObservable, bObservable)
            .subscribe(getObserver());
}

Example 9

Source File: RxJava2.java From RHub with Apache License 2.0

5 votes

private static void generalExample(RxJava2ObsHub rxJava2Hub) {
    Observable src1 = Observable.fromArray(new Integer[]{1, 3, 5, 7, 11, 13});
    Observable src2 = Observable.interval(1, TimeUnit.SECONDS);
    rxJava2Hub.addUpstream("src1", src1);

    rxJava2Hub.getPub("src1").subscribe(o -> {
        System.out.println("consumer1 (src1) got: " + o);
    });

    rxJava2Hub.getPub("src1").subscribe(System.out::println);
    rxJava2Hub.getPub("src1.1").subscribe(o -> {
        System.out.println("consumer1 (src1.1) got: " + o);
    });

    rxJava2Hub.addUpstream("src1.1", src1.repeat(1));
    rxJava2Hub.addUpstream("src2", src2.buffer(Integer.MAX_VALUE));

    rxJava2Hub.getPub("src1").subscribe(o -> {
        System.out.println("consumer2 (src1) got: " + o);
    });

    rxJava2Hub.getPub("src1.1").subscribe(o -> {
        System.out.println("consumer2 (src1.1) got: " + o);
    });
    rxJava2Hub.getPub("src2").subscribe(o -> {
        System.out.println("consumer2 (src2) got: " + o);
    });
    new Thread(() -> {
        try {
            Thread.sleep(5000);
            rxJava2Hub.addUpstream("src1.1", Observable.interval(1, TimeUnit.SECONDS));
            Thread.sleep(5000);
            rxJava2Hub.clearUpstream();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }).start();
}

Example 10

Source File: Demo_sequenceEqual.java From Reactive-Programming-With-Java-9 with MIT License

5 votes

public static void main(String[] args) {
	// TODO Auto-generated method stub
	Observable names1 = Observable.fromArray(new String[] { "name1", "abc", "xyz", "lmn" });
	Observable names2 = Observable.fromArray(new String[] { "name1", "abc", "xyz", "lmn" });
	Observable.sequenceEqual(names1, names2).subscribe(new SingleObserver<Boolean>() {

		@Override
		public void onError(Throwable throwable) {
			// TODO Auto-generated method stub
			System.out.println(throwable.getMessage());

		}

		@Override
		public void onSubscribe(Disposable disposable) {
			// TODO Auto-generated method stub
			System.out.println("is disposed:-" + disposable.isDisposed());

		}

		@Override
		public void onSuccess(Boolean value) {
			// TODO Auto-generated method stub
			if (value) {
				System.out
						.println("successfully finished comparision of two sequence and both sequences are equal");
			}
			else
			System.out.println("successfully finished comparision of two sequence and both sequences are NOT equal");
		}
	});
}

Example 11

Source File: Demo_zip.java From Reactive-Programming-With-Java-9 with MIT License

5 votes

public static void main(String[] args) {
	// TODO Auto-generated method stub
	Integer[] numbers = { 1, 2, 13, 34, 12, 10 };
	String[] fruits = { "mango", "pineapple", "apple", "mango", "papaya" };

	Observable<Integer> source1 = Observable.fromArray(numbers);
	Observable<String> source2 = Observable.fromArray(fruits);
	Observable<Integer> source3 = Observable.range(30, 3);
	Observable.zip(source1, source2, source3, (value1, value2, value3) -> {

		return value1 + ":" + value2 + "*" + value3;
	}).subscribe(new Observer<String>() {

		@Override
		public void onComplete() {
			// TODO Auto-generated method stub
			System.out.println("zipping completed successfully");

		}

		@Override
		public void onError(Throwable throwable) {
			// TODO Auto-generated method stub
			throwable.printStackTrace();

		}

		@Override
		public void onNext(String value) {
			// TODO Auto-generated method stub
			System.out.println(value);
		}

		@Override
		public void onSubscribe(Disposable arg0) {
			// TODO Auto-generated method stub

		}
	});
}

Example 12

Source File: ExampleUnitTest.java From RxAndroid-Sample with Apache License 2.0

5 votes

@Test
public void testAverageObservable() {

    Observable<Integer> numberObservable = Observable.fromArray(1, 2, 3, 4, 5);

    MathObservable.averageDouble(numberObservable)
            .subscribe(new Observer<Double>() {
                @Override
                public void onSubscribe(Disposable d) {

                }

                @Override
                public void onNext(Double aDouble) {
                    System.out.println("Average: " + aDouble);
                }

                @Override
                public void onError(Throwable e) {

                }

                @Override
                public void onComplete() {

                }
            });
}

Example 13

Source File: OperatorsTest.java From Java-programming-methodology-Rxjava-articles with Apache License 2.0

5 votes

@Test
void amb_test() {
    Integer[] numbers = {1, 2, 13, 34, 15, 17};
    String[] fruits = {"苹果", "梨", "李子", "荔枝",
            "芒果"};
    Observable<Integer> source1 = Observable.fromArray(numbers).delay(1, TimeUnit.SECONDS);
    Observable<String> source2 = Observable.fromArray(fruits);
    Observable.ambArray(source1, source2)
              .forEach(System.out::println);
}

Example 14

Source File: OperatorsTest.java From Java-programming-methodology-Rxjava-articles with Apache License 2.0

5 votes

@Test
void combineLatest_test() {
    Integer[] numbers = {1, 2, 13, 34, 15, 17};
    String[] fruits = {"苹果", "梨", "李子", "荔枝",
            "芒果"};

    Observable<Integer> source1 = Observable.fromArray(numbers);
    Observable<String> source2 = Observable.fromArray(fruits);
    Observable.combineLatest(source2, source1, (item1, item2) -> item1 + item2)
              .subscribe(item -> System.out.println("we got: " + item + "  from the Observable"),
                      throwable -> System.out.println("异常-> " + throwable.getMessage()),
                      () -> System.out.println("Emission completed"));
}

Example 15

Source File: RxJavaTest.java From smallrye-mutiny with Apache License 2.0

5 votes

@Test
public void createUniFromRx() {
    // tag::uni-create[]
    Completable completable = Completable.complete();
    Single<String> single = Single.just("hello");
    Maybe<String> maybe = Maybe.just("hello");
    Maybe<String> emptyMaybe = Maybe.empty();
    Observable<String> observable = Observable.fromArray("a", "b", "c");
    Flowable<String> flowable = Flowable.fromArray("a", "b", "c");

    Uni<Void> uniFromCompletable = Uni.createFrom().converter(UniRxConverters.fromCompletable(), completable);
    Uni<String> uniFromSingle = Uni.createFrom().converter(UniRxConverters.fromSingle(), single);
    Uni<String> uniFromMaybe = Uni.createFrom().converter(UniRxConverters.fromMaybe(), maybe);
    Uni<String> uniFromEmptyMaybe = Uni.createFrom().converter(UniRxConverters.fromMaybe(), emptyMaybe);
    Uni<String> uniFromObservable = Uni.createFrom().converter(UniRxConverters.fromObservable(), observable);
    Uni<String> uniFromFlowable = Uni.createFrom().converter(UniRxConverters.fromFlowable(), flowable);
    Uni<String> uniFromPublisher = Uni.createFrom().publisher(flowable);

    // end::uni-create[]

    assertThat(uniFromCompletable.await().indefinitely()).isNull();
    assertThat(uniFromSingle.await().indefinitely()).isEqualTo("hello");
    assertThat(uniFromMaybe.await().indefinitely()).isEqualTo("hello");
    assertThat(uniFromEmptyMaybe.await().indefinitely()).isNull();
    assertThat(uniFromObservable.await().indefinitely()).isEqualTo("a");
    assertThat(uniFromFlowable.await().indefinitely()).isEqualTo("a");
    assertThat(uniFromPublisher.await().indefinitely()).isEqualTo("a");
}

Example 16

Source File: TestResource.java From redpipe with Apache License 2.0

4 votes

@Produces(MediaType.SERVER_SENT_EVENTS)
@Path("hello-observable-sse")
@GET
public Observable<String> helloObservableSse() {
	return Observable.fromArray("one", "two");
}

Example 17

Source File: TestResource.java From redpipe with Apache License 2.0

4 votes

@Produces(MediaType.APPLICATION_JSON)
@Path("hello-observable-collect")
@GET
public Observable<String> helloObservableCollect() {
	return Observable.fromArray("one", "two");
}

Example 18

Source File: Demo_reduce.java From Reactive-Programming-With-Java-9 with MIT License

4 votes

public static void main(String[] args) {
	Integer[] numbers = { 1, 2, 13, 34, 12, 10 };
	Observable<Integer> source1 = Observable.fromArray(numbers);

	source1.reduce(new BiFunction<Integer, Integer, Integer>() {

		@Override
		public Integer apply(Integer value1, Integer value2) throws Exception {
			// TODO Auto-generated method stub
			// 1, 2, 13, 34, 12, 10
			int sum = 0;
			return value1 + value2;
		}
	}).subscribe(new MaybeObserver<Integer>() {

		@Override
		public void onComplete() {
			// TODO Auto-generated method stub
			System.out.println("completed2");

		}

		@Override
		public void onError(Throwable throwable) {
			// TODO Auto-generated method stub
			System.out.println(throwable.getMessage());

		}

		@Override
		public void onSubscribe(Disposable arg0) {
			// TODO Auto-generated method stub

		}

		@Override
		public void onSuccess(Integer value) {
			// TODO Auto-generated method stub
			System.out.println(value);

		}
	});

	
               
}

Example 19

Source File: TestResource.java From redpipe with Apache License 2.0

4 votes

@Stream(MODE.RAW)
@Path("hello-observable")
@GET
public Observable<String> helloObservable() {
	return Observable.fromArray("one", "two");
}

Example 20

Source File: HelloResource.java From redpipe with Apache License 2.0

4 votes

@Stream
@Path("stream")
@GET
public Observable<String> helloStream() {
	return Observable.fromArray(new String[] {"Hello", "World"});
}