Example usage for java.util.stream Collectors summingInt

Introduction

In this page you can find the example usage for java.util.stream Collectors summingInt.

Prototype

public static <T> Collector<T, ?, Integer> summingInt(ToIntFunction<? super T> mapper) 

Source Link

Document

Returns a Collector that produces the sum of a integer-valued function applied to the input elements.

Usage

From source file:com.github.sevntu.checkstyle.ordering.MethodOrder.java

public int getRelativeOrderInconsistencyCases() {
    return getMethods().stream().collect(Collectors.summingInt(caller -> {
        int maxCalleeIndex = 0;
        int orderViolations = 0;
        for (final Method callee : getMethodDependenciesInAppearanceOrder(caller)) {
            final int calleeIndex = getMethodIndex(callee);
            if (calleeIndex < maxCalleeIndex) {
                ++orderViolations;/*from w ww .  j  a v a  2  s  .co  m*/
            } else {
                maxCalleeIndex = calleeIndex;
            }
        }
        return orderViolations;
    }));
}

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From source file:co.runrightfast.vertx.orientdb.verticle.OrientDBVerticleTest.java

/**
 * Test of startUp method, of class OrientDBVerticle.
 *///  ww w.  java  2  s  . co  m
@Test
public void testVerticle() throws Exception {
    log.info("test_eventBus_GetVerticleDeployments");
    final Vertx vertx = vertxService.getVertx();

    final RunRightFastVerticleId verticleManagerId = RunRightFastVerticleManager.VERTICLE_ID;
    final CompletableFuture<GetVerticleDeployments.Response> getVerticleDeploymentsFuture = new CompletableFuture<>();
    final long timeout = 60000L;
    vertx.eventBus().send(EventBusAddress.eventBusAddress(verticleManagerId, "get-verticle-deployments"),
            GetVerticleDeployments.Request.newBuilder().build(), new DeliveryOptions().setSendTimeout(timeout),
            responseHandler(getVerticleDeploymentsFuture, GetVerticleDeployments.Response.class));
    final GetVerticleDeployments.Response getVerticleDeploymentsResponse = getVerticleDeploymentsFuture
            .get(timeout, TimeUnit.MILLISECONDS);
    final int totalHealthCheckCount = getVerticleDeploymentsResponse.getDeploymentsList().stream()
            .collect(Collectors.summingInt(VerticleDeployment::getHealthChecksCount));

    final CompletableFuture<RunVerticleHealthChecks.Response> future = new CompletableFuture<>();
    vertx.eventBus().send(EventBusAddress.eventBusAddress(verticleManagerId, "run-verticle-healthchecks"),
            RunVerticleHealthChecks.Request.newBuilder().build(),
            addRunRightFastHeaders(new DeliveryOptions().setSendTimeout(timeout)),
            responseHandler(future, RunVerticleHealthChecks.Response.class));

    final RunVerticleHealthChecks.Response response = future.get(timeout, TimeUnit.MILLISECONDS);
    assertThat(response.getResultsCount(), is(totalHealthCheckCount));

}

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From source file:com.github.sevntu.checkstyle.ordering.MethodOrder.java

private int translateInitialLineNo(int lineNo) {
    return currentOrdering.stream().filter(method -> {
        final int start = method.getInitialLineNo();
        final int end = start + method.getLength();
        return start <= lineNo && lineNo <= end;
    }).findFirst().map(method -> {//from ww w. ja va2 s . c o  m
        final int initialMethodIndex = initialOrdering.indexOf(method);
        final int currentMethodIndex = currentOrdering.indexOf(method);
        final int sumOfLengthsPresidingMethodsInInitialOrder = initialOrdering.subList(0, initialMethodIndex)
                .stream().collect(Collectors.summingInt(Method::getLength));
        final int sumOfLengthsPresidingMethodInCurrentOrder = currentOrdering.subList(0, currentMethodIndex)
                .stream().collect(Collectors.summingInt(Method::getLength));
        final int change = sumOfLengthsPresidingMethodInCurrentOrder
                - sumOfLengthsPresidingMethodsInInitialOrder;
        return lineNo + change;
    }).orElseThrow(
            () -> new IllegalArgumentException(String.format("Line #%d does lies within any method", lineNo)));
}

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From source file:com.epam.catgenome.manager.GffManagerTest.java

@Test
@Transactional(propagation = Propagation.REQUIRES_NEW)
public void testUnmappedGenes() throws InterruptedException, NoSuchAlgorithmException, FeatureIndexException,
        IOException, GeneReadingException, HistogramReadingException {
    Chromosome testChr1 = EntityHelper.createNewChromosome();
    testChr1.setName("chr1");
    testChr1.setSize(TEST_CHROMOSOME_SIZE);
    Reference testRef = EntityHelper.createNewReference(testChr1, referenceGenomeManager.createReferenceId());

    referenceGenomeManager.register(testRef);
    Long testRefId = testReference.getId();

    Resource resource = context.getResource("classpath:templates/mrna.sorted.chunk.gtf");

    FeatureIndexedFileRegistrationRequest request = new FeatureIndexedFileRegistrationRequest();
    request.setReferenceId(testRefId);/*ww  w  .j  ava 2  s .  com*/
    request.setPath(resource.getFile().getAbsolutePath());

    GeneFile geneFile = gffManager.registerGeneFile(request);
    Assert.assertNotNull(geneFile);
    Assert.assertNotNull(geneFile.getId());

    Track<Gene> track = new Track<>();
    track.setId(geneFile.getId());
    track.setStartIndex(1);
    track.setEndIndex(TEST_UNMAPPED_END_INDEX);
    track.setChromosome(testChr1);
    track.setScaleFactor(FULL_QUERY_SCALE_FACTOR);

    double time1 = Utils.getSystemTimeMilliseconds();
    Track<Gene> featureList = gffManager.loadGenes(track, false);
    double time2 = Utils.getSystemTimeMilliseconds();
    logger.info("genes loading : {} ms", time2 - time1);
    Assert.assertNotNull(featureList);
    Assert.assertFalse(featureList.getBlocks().isEmpty());
    Assert.assertTrue(featureList.getBlocks().stream().allMatch(g -> !g.isMapped()));

    Track<Gene> smallScaleFactorTrack = new Track<>();
    smallScaleFactorTrack.setId(geneFile.getId());
    smallScaleFactorTrack.setStartIndex(1);
    smallScaleFactorTrack.setEndIndex(TEST_UNMAPPED_END_INDEX);
    smallScaleFactorTrack.setChromosome(testChr1);
    smallScaleFactorTrack.setScaleFactor(SMALL_SCALE_FACTOR);

    time1 = Utils.getSystemTimeMilliseconds();
    featureList = gffManager.loadGenes(smallScaleFactorTrack, false);
    time2 = Utils.getSystemTimeMilliseconds();
    logger.info("genes large scale loading : {} ms", time2 - time1);
    Assert.assertNotNull(featureList);
    Assert.assertFalse(featureList.getBlocks().isEmpty());
    Assert.assertTrue(featureList.getBlocks().stream().allMatch(g -> !g.isMapped()));
    int groupedGenesCount = featureList.getBlocks().stream()
            .collect(Collectors.summingInt(Gene::getFeatureCount));
    logger.debug("{} features total", groupedGenesCount);
    Assert.assertEquals(TEST_FEATURE_COUNT, groupedGenesCount);

    Track<Wig> histogram = new Track<>();
    histogram.setId(geneFile.getId());
    histogram.setChromosome(testChr1);
    histogram.setScaleFactor(1.0);

    gffManager.loadHistogram(histogram);
    Assert.assertFalse(histogram.getBlocks().isEmpty());
}

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From source file:com.epam.catgenome.manager.GffManagerTest.java

private void testFillRange(List<Block> exons, int viewPortSize, int centerPosition, boolean forward,
        int bound) {
    int totalLength = exons.stream()
            .collect(Collectors.summingInt(e -> gffManager.calculateExonLength(e, centerPosition, forward)));

    boolean isBounded;
    if (forward) {
        isBounded = exons.get(exons.size() - 1).getEndIndex() >= bound;
    } else {/*w  w  w.  jav  a2s.co m*/
        isBounded = exons.get(0).getStartIndex() <= bound;
    }

    Assert.assertTrue(totalLength >= viewPortSize || isBounded);
}

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