Examples with Supplier java.util.function.Supplier used on opensource projects

Example 26 with Supplier

use of java.util.function.Supplier in project jdk8u_jdk by JetBrains.

the class ConcurrentAssociateTest method testOnce.

private static void testOnce(String desc, BiConsumer<ConcurrentMap<Object, Object>, Object> associator) {
    ConcurrentHashMap<Object, Object> m = new ConcurrentHashMap<>();
    CountDownLatch s = new CountDownLatch(1);
    Supplier<Runnable> sr = () -> () -> {
        try {
            s.await();
        } catch (InterruptedException e) {
        }
        for (int i = 0; i < N; i++) {
            Object o = new X();
            associator.accept(m, o);
            if (!m.containsKey(o)) {
                throw new AssociationFailure(desc + " failed: entry does not exist");
            }
        }
    };
    int ps = Runtime.getRuntime().availableProcessors();
    Stream<CompletableFuture> runners = IntStream.range(0, ps).mapToObj(i -> sr.get()).map(CompletableFuture::runAsync);
    CompletableFuture all = CompletableFuture.allOf(runners.toArray(CompletableFuture[]::new));
    // Trigger the runners to start associating
    s.countDown();
    try {
        all.join();
    } catch (CompletionException e) {
        Throwable t = e.getCause();
        if (t instanceof AssociationFailure) {
            throw (AssociationFailure) t;
        } else {
            throw e;
        }
    }
}

Example 27 with Supplier

use of java.util.function.Supplier in project riposte by Nike-Inc.

the class AsyncNettyHelperTest method supplierWithTracingAndMdc_pair_works_as_expected.

@Test
public void supplierWithTracingAndMdc_pair_works_as_expected() {
    // given
    Pair<Deque<Span>, Map<String, String>> setupInfo = generateTracingAndMdcInfo();
    // when
    Supplier result = AsyncNettyHelper.supplierWithTracingAndMdc(supplierMock, setupInfo);
    // then
    verifySupplierWithTracingAndMdcSupport(result, supplierMock, setupInfo.getLeft(), setupInfo.getRight());
}

Example 28 with Supplier

use of java.util.function.Supplier in project riposte by Nike-Inc.

the class AsyncNettyHelperTest method supplierWithTracingAndMdc_separate_args_works_as_expected.

@Test
public void supplierWithTracingAndMdc_separate_args_works_as_expected() {
    // given
    Pair<Deque<Span>, Map<String, String>> setupInfo = generateTracingAndMdcInfo();
    // when
    Supplier result = AsyncNettyHelper.supplierWithTracingAndMdc(supplierMock, setupInfo.getLeft(), setupInfo.getRight());
    // then
    verifySupplierWithTracingAndMdcSupport(result, supplierMock, setupInfo.getLeft(), setupInfo.getRight());
}

Example 29 with Supplier

use of java.util.function.Supplier in project riposte by Nike-Inc.

the class ParserTest method test_match9_works.

@Test
public void test_match9_works() throws ParserFailure {
    final Pattern numberPattern = Pattern.compile("([0-9])");
    final Pattern booleanPattern = Pattern.compile("(true|false)");
    final Supplier<Parser<Integer>> number = () -> regex(numberPattern).map(m -> new Integer(m.group(1)));
    final Supplier<Parser<Boolean>> bool = () -> regex(booleanPattern).map(m -> new Boolean(m.group(1)));
    Parser<String> parser = number.get().thenParse(string("A")).thenParse(bool).thenParse(number).thenParse(string("B")).thenParse(bool).thenParse(number).thenParse(string("C")).thenParse(bool).map(match((first, second, third, fourth, fifth, sixth, seventh, eighth, nineth) -> {
        return first.toString() + "+" + second.toString() + "+" + third.toString() + "+" + fourth.toString() + "+" + fifth.toString() + "+" + sixth.toString() + "+" + seventh.toString() + "+" + eighth.toString() + "+" + nineth.toString();
    }));
    Optional<String> oResult = parser.tryParse("1Atrue2Bfalse3Ctrue");
    assertThat(oResult.isPresent()).isTrue();
    assertThat(oResult.get()).isNotNull();
    assertThat(oResult.get()).isEqualTo("1+A+true+2+B+false+3+C+true");
}

Example 30 with Supplier

use of java.util.function.Supplier in project riposte by Nike-Inc.

the class ParserTest method test_match8_works.

@Test
public void test_match8_works() throws ParserFailure {
    final Pattern numberPattern = Pattern.compile("([0-9])");
    final Pattern booleanPattern = Pattern.compile("(true|false)");
    final Supplier<Parser<Integer>> number = () -> regex(numberPattern).map(m -> new Integer(m.group(1)));
    final Supplier<Parser<Boolean>> bool = () -> regex(booleanPattern).map(m -> new Boolean(m.group(1)));
    Parser<String> parser = number.get().thenParse(string("A")).thenParse(bool).thenParse(number).thenParse(string("B")).thenParse(bool).thenParse(number).thenParse(string("C")).map(match((first, second, third, fourth, fifth, sixth, seventh, eighth) -> {
        return first.toString() + "+" + second.toString() + "+" + third.toString() + "+" + fourth.toString() + "+" + fifth.toString() + "+" + sixth.toString() + "+" + seventh.toString() + "+" + eighth.toString();
    }));
    Optional<String> oResult = parser.tryParse("1Atrue2Bfalse3C");
    assertThat(oResult.isPresent()).isTrue();
    assertThat(oResult.get()).isNotNull();
    assertThat(oResult.get()).isEqualTo("1+A+true+2+B+false+3+C");
}