Java Code Examples for io.vavr.collection.Stream#of()

The following examples show how to use io.vavr.collection.Stream#of() . 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: ExtFieldsPojoTest.java    From vavr-jackson with Apache License 2.0 5 votes vote down vote up 
@Test
void testStream() throws Exception {
    Stream<A> src = Stream.of(new B("a", "b"));
    String json = MAPPER.writeValueAsString(new StreamPojo().setValue(src));
    Assertions.assertEquals(json, "{\"value\":[{\"ExtFieldsPojoTest$B\":{\"a\":\"a\",\"b\":\"b\"}}]}");
    StreamPojo pojo = MAPPER.readValue(json, StreamPojo.class);
    Stream<A> restored = pojo.getValue();
    Assertions.assertTrue(restored.get(0) instanceof B);
    Assertions.assertEquals(restored.get(0).a, "a");
    Assertions.assertEquals(((B) restored.get(0)).b, "b");
}
Example 2
Source File: ParameterizedPojoTest.java    From vavr-jackson with Apache License 2.0 5 votes vote down vote up 
@Test
void testStreamOfString() throws Exception {
    String src0 = "A";
    String src1 = "B";
    String src2 = "C";
    Stream<String> src = Stream.of(src0, src1, src2);
    String json = MAPPER.writeValueAsString(new ParameterizedStreamPojo<>(src));
    Assertions.assertEquals(json, "{\"value\":[\"A\",\"B\",\"C\"]}");
    ParameterizedStreamPojo<java.lang.String> restored =
            MAPPER.readValue(json, new TypeReference<ParameterizedStreamPojo<java.lang.String>>(){});
    Assertions.assertEquals(src, restored.getValue());
}
Example 3
Source File: ParameterizedPojoTest.java    From vavr-jackson with Apache License 2.0 5 votes vote down vote up 
@Test
void testStreamOfTuple() throws Exception {
    String src00 = "A";
    String src01 = "B";
    Tuple2<String, String> src0 = Tuple.of(src00, src01);
    Stream<Tuple2<String, String>> src = Stream.of(src0);
    String json = MAPPER.writeValueAsString(new ParameterizedStreamPojo<>(src));
    Assertions.assertEquals(json, "{\"value\":[[\"A\",\"B\"]]}");
    ParameterizedStreamPojo<io.vavr.Tuple2<java.lang.String, java.lang.String>> restored =
            MAPPER.readValue(json, new TypeReference<ParameterizedStreamPojo<io.vavr.Tuple2<java.lang.String, java.lang.String>>>(){});
    Assertions.assertEquals(src, restored.getValue());
}
Example 4
Source File: SimplePojoTest.java    From vavr-jackson with Apache License 2.0 5 votes vote down vote up 
@Test
void testStreamOfString() throws Exception {
    String src0 = "A";
    String src1 = "B";
    String src2 = "C";
    Stream<String> src = Stream.of(src0, src1, src2);
    String json = MAPPER.writeValueAsString(new StreamOfString().setValue(src));
    Assertions.assertEquals(json, "{\"value\":[\"A\",\"B\",\"C\"]}");
    StreamOfString restored = MAPPER.readValue(json, StreamOfString.class);
    Assertions.assertEquals(src, restored.getValue());
}
Example 5
Source File: SimplePojoTest.java    From vavr-jackson with Apache License 2.0 5 votes vote down vote up 
@Test
void testStreamOfTuple() throws Exception {
    String src00 = "A";
    String src01 = "B";
    Tuple2<String, String> src0 = Tuple.of(src00, src01);
    Stream<Tuple2<String, String>> src = Stream.of(src0);
    String json = MAPPER.writeValueAsString(new StreamOfTuple().setValue(src));
    Assertions.assertEquals(json, "{\"value\":[[\"A\",\"B\"]]}");
    StreamOfTuple restored = MAPPER.readValue(json, StreamOfTuple.class);
    Assertions.assertEquals(src, restored.getValue());
}
Example 6
Source File: PolymorphicPojoTest.java    From vavr-jackson with Apache License 2.0 5 votes vote down vote up 
@Test
void testStream() throws Exception {
    Stream<I> src = Stream.of(new A(), new B());
    String json = MAPPER.writeValueAsString(new StreamPojo().setValue(src));
    Assertions.assertEquals(json, "{\"value\":[{\"type\":\"a\"},{\"type\":\"b\"}]}");
    StreamPojo pojo = MAPPER.readValue(json, StreamPojo.class);
    Stream<I> restored = pojo.getValue();
    Assertions.assertTrue(restored.get(0) instanceof A);
    Assertions.assertTrue(restored.get(1) instanceof B);
}
Example 7
Source File: VavrSampler.java    From tutorials with MIT License 5 votes vote down vote up 
public static void vavrStreamElementAccess() {
    System.out.println("Vavr Element Access");
    System.out.println("====================================");
    Stream<Integer> vavredStream = Stream.ofAll(intArray);
    System.out.println("Vavr index access: " + vavredStream.get(2));
    System.out.println("Vavr head element access: " + vavredStream.get());

    Stream<String> vavredStringStream = Stream.of("foo", "bar", "baz");
    System.out.println("Find foo " + vavredStringStream.indexOf("foo"));
}
Example 8
Source File: VavrSampler.java    From tutorials with MIT License 5 votes vote down vote up 
public static void vavrStreamDistinct() {
    Stream<String> vavredStream = Stream.of("foo", "bar", "baz", "buxx", "bar", "bar", "foo");
    Stream<String> distinctVavrStream = vavredStream.distinctBy((y, z) -> {
        return y.compareTo(z);
    });
    distinctVavrStream.forEach(item -> System.out.println("Vavr Stream item after distinct query " + item));

}
Example 9
Source File: VavrSampler.java    From tutorials with MIT License 5 votes vote down vote up 
public static void vavrStreamElementAccess() {
    System.out.println("Vavr Element Access");
    System.out.println("====================================");
    Stream<Integer> vavredStream = Stream.ofAll(intArray);
    System.out.println("Vavr index access: " + vavredStream.get(2));
    System.out.println("Vavr head element access: " + vavredStream.get());

    Stream<String> vavredStringStream = Stream.of("foo", "bar", "baz");
    System.out.println("Find foo " + vavredStringStream.indexOf("foo"));
}
Example 10
Source File: VavrSampler.java    From tutorials with MIT License 5 votes vote down vote up 
public static void vavrStreamDistinct() {
    Stream<String> vavredStream = Stream.of("foo", "bar", "baz", "buxx", "bar", "bar", "foo");
    Stream<String> distinctVavrStream = vavredStream.distinctBy((y, z) -> {
        return y.compareTo(z);
    });
    distinctVavrStream.forEach(item -> System.out.println("Vavr Stream item after distinct query " + item));

}
Example 11
Source File: CollectionsInteroperabilityUnitTest.java    From tutorials with MIT License 5 votes vote down vote up 
@Test
public void givenParams_whenVavrStream_thenReturnJavaStream() {
  Stream<String> vavrStream = Stream.of("JAVA", "Javascript", "Scala");

  java.util.stream.Stream<String> javaParallelStream = vavrStream.toJavaParallelStream();
  assertTrue(javaParallelStream instanceof java.util.stream.Stream);

  java.util.List<String> javaStringList = vavrStream.toJavaList();
  assertTrue(javaStringList instanceof java.util.List);
}