Example usage for java.util List subList

Introduction

In this page you can find the example usage for java.util List subList.

Prototype

List<E> subList(int fromIndex, int toIndex);

Source Link

Document

Returns a view of the portion of this list between the specified fromIndex , inclusive, and toIndex , exclusive.

Usage

From source file:com.redhat.rhn.manager.user.UserManager.java

/**
 * Returns visible Systems as a SystemSearchResult Object
 * @param user the user we want//from   www.ja v a2  s .c o m
 * @param ids the list of desired system ids
 * @return DataResult of systems
 */
public static DataResult<SystemSearchResult> visibleSystemsAsDtoFromList(User user, List<Long> ids) {

    SelectMode m = ModeFactory.getMode("System_queries", "visible_to_user_from_sysid_list");
    DataResult<SystemSearchResult> dr = null;

    int batchSize = 500;
    for (int batch = 0; batch < ids.size(); batch = batch + batchSize) {
        int toIndex = batch + batchSize;
        if (toIndex > ids.size()) {
            toIndex = ids.size();
        }
        Map params = new HashMap();
        params.put("user_id", user.getId());
        DataResult partial = m.execute(params, ids.subList(batch, toIndex));
        partial.setElaborationParams(Collections.EMPTY_MAP);
        if (dr == null) {
            dr = partial;
        } else {
            dr.addAll(partial);
        }
    }
    return dr;
}

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From source file:com.brighttag.trident.kairos.KairosState.java

/**
 * Store multiple metrics into KairosDB. This save is idempotent; any data for
 * {@code keys} that already exists is overwritten with the new {@code vals}.
 *
 * @param keys list of metric key fields in this order:
 *   (start_date [long], exclusive_end_date [long], name [string], tags [map<string, string>]...)
 *///from   www. ja v  a 2 s  .  c o  m
@Override
public void multiPut(List<List<Object>> keys, List<T> vals) {
    MetricBuilder builder = MetricBuilder.getInstance();
    for (int i = 0; i < keys.size(); i++) {
        List<Object> k = keys.get(i);
        String name = k.get(2).toString();
        Map<String, String> tags = toTags(k.subList(3, k.size()));
        Metric metric = builder.addMetric(name, type).addTags(tags);
        serialize(metric, toDate(k.get(0)), vals.get(i));
    }
    try {
        client.pushMetrics(builder);
        waitForWrite();
    } catch (URISyntaxException e) {
        throw Throwables.propagate(e);
    } catch (IOException e) {
        throw Throwables.propagate(e);
    }
}

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From source file:com.hpe.application.automation.tools.octane.executor.UftTestDiscoveryDispatcher.java

private static boolean updateTests(MqmRestClient client, Collection<AutomatedTest> tests, String workspaceId) {

    try {/*from w  w  w.ja va2s .  co  m*/
        //build  testsForUpdate
        List<AutomatedTest> testsForUpdate = new ArrayList<>();
        for (AutomatedTest test : tests) {
            AutomatedTest testForUpdate = new AutomatedTest();
            if (test.getDescription() != null) {
                testForUpdate.setDescription(test.getDescription());
            }
            testForUpdate.setExecutable(test.getExecutable());
            testForUpdate.setId(test.getId());
            testsForUpdate.add(testForUpdate);
        }

        if (!testsForUpdate.isEmpty()) {
            for (int i = 0; i < tests.size(); i += POST_BULK_SIZE) {
                AutomatedTests data = AutomatedTests
                        .createWithTests(testsForUpdate.subList(i, Math.min(i + POST_BULK_SIZE, tests.size())));
                String uftTestJson = convertToJsonString(data);
                client.updateEntities(Long.parseLong(workspaceId), OctaneConstants.Tests.COLLECTION_NAME,
                        uftTestJson);
            }
        }

        return true;
    } catch (Exception e) {
        logger.error("Failed to update tests : " + e.getMessage());
        return false;
    }
}

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From source file:org.kordamp.javatrove.example02.impl.GithubImplTest.java

@Test
public void happyPath() throws Exception {
    // given://from w  w w .  ja  va 2 s  .  c o  m
    String nextUrl = "/organizations/1/repos?page=2";
    List<Repository> repositories = createSampleRepositories();
    stubFor(get(urlEqualTo("/orgs/" + ORGANIZATION + "/repos"))
            .willReturn(aResponse().withStatus(200).withHeader("Content-Type", "text/json")
                    .withHeader("Link", "<http://localhost:8080" + nextUrl + ">; rel=\"next\"")
                    .withBody(repositoriesAsJSON(repositories.subList(0, 5), objectMapper))));
    stubFor(get(urlEqualTo(nextUrl))
            .willReturn(aResponse().withStatus(200).withHeader("Content-Type", "text/json")
                    .withBody(repositoriesAsJSON(repositories.subList(5, 8), objectMapper))));

    // when:
    Promise<Collection<Repository>, Throwable, Repository> promise = github.repositories(ORGANIZATION, 8);
    await().timeout(2, SECONDS).until(promise::state, equalTo(Promise.State.RESOLVED));

    // then:
    promise.done(result -> assertThat(result, equalTo(repositories.subList(0, 8))));
    verify(getRequestedFor(urlEqualTo("/orgs/" + ORGANIZATION + "/repos")));
}

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From source file:de.tudarmstadt.ukp.dkpro.tc.weka.util.WekaUtils.java

/**
 * Feature selection using Mulan.//from  w ww.j a  v  a 2 s .  c o  m
 *
 * @param trainData
 *            training data
 * @param labelTransformationMethod
 *            method to transform multi-label data into single-label data
 * @param attributeEvaluator
 * @param numLabelsToKeep
 *            number of labels that should be kept
 * @param featureSelectionResultsFile
 *            a file to write the evaluated attributes to
 * @return a filter to reduce the attribute dimension
 * @throws TextClassificationException
 */
public static Remove multiLabelAttributeSelection(Instances trainData, String labelTransformationMethod,
        List<String> attributeEvaluator, int numLabelsToKeep, File featureSelectionResultsFile)
        throws TextClassificationException {
    Remove filterRemove = new Remove();
    try {
        MultiLabelInstances mulanInstances = convertMekaInstancesToMulanInstances(trainData);

        ASEvaluation eval = ASEvaluation.forName(attributeEvaluator.get(0),
                attributeEvaluator.subList(1, attributeEvaluator.size()).toArray(new String[0]));

        AttributeEvaluator attributeSelectionFilter;

        // We currently only support the following Mulan Transformation methods (configuration
        // is complicated due to missing commandline support of mulan):
        if (labelTransformationMethod.equals("LabelPowersetAttributeEvaluator")) {
            attributeSelectionFilter = new LabelPowersetAttributeEvaluator(eval, mulanInstances);
        } else if (labelTransformationMethod.equals("BinaryRelevanceAttributeEvaluator")) {
            attributeSelectionFilter = new BinaryRelevanceAttributeEvaluator(eval, mulanInstances, "max",
                    "none", "rank");
        } else {
            throw new TextClassificationException("This Label Transformation Method is not supported.");
        }

        Ranker r = new Ranker();
        int[] result = r.search(attributeSelectionFilter, mulanInstances);

        // collect evaluation for *all* attributes and write to file
        StringBuffer evalFile = new StringBuffer();
        for (Attribute att : mulanInstances.getFeatureAttributes()) {
            evalFile.append(att.name() + ": "
                    + attributeSelectionFilter.evaluateAttribute(att.index() - mulanInstances.getNumLabels())
                    + "\n");
        }
        FileUtils.writeStringToFile(featureSelectionResultsFile, evalFile.toString());

        // create a filter to reduce the dimension of the attributes
        int[] toKeep = new int[numLabelsToKeep + mulanInstances.getNumLabels()];
        System.arraycopy(result, 0, toKeep, 0, numLabelsToKeep);
        int[] labelIndices = mulanInstances.getLabelIndices();
        System.arraycopy(labelIndices, 0, toKeep, numLabelsToKeep, mulanInstances.getNumLabels());

        filterRemove.setAttributeIndicesArray(toKeep);
        filterRemove.setInvertSelection(true);
        filterRemove.setInputFormat(mulanInstances.getDataSet());
    } catch (ArrayIndexOutOfBoundsException e) {
        // less attributes than we want => no filtering
        return null;
    } catch (Exception e) {
        throw new TextClassificationException(e);
    }
    return filterRemove;
}

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From source file:com.google.gwt.emultest.java.util.ListTestBase.java

public void testSubListRemove() {
    List<Integer> baseList = createListWithContent(new int[] { 1, 2, 3, 4, 5 });
    List<Integer> sublist = baseList.subList(1, 3);

    sublist.remove(0);/*w  w w  .  j a  v  a2s . c  om*/
    assertEquals(4, baseList.size());
    assertEquals(3, baseList.get(1).intValue());

    try {
        sublist.remove(1);
        fail("Expected IndexOutOfBoundsException");
    } catch (IndexOutOfBoundsException expected) {
    }

    assertFalse(sublist.remove(Integer.valueOf(4)));

    assertTrue(sublist.remove(Integer.valueOf(3)));

    assertEquals(0, sublist.size());
    assertEquals(3, baseList.size());

    sublist.add(6);
    checkListSizeAndContent(baseList, 1, 6, 4, 5);
}

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From source file:edu.cornell.mannlib.ld4lindexing.documents.InstanceDocument.java

private void addTitleFields(SolrDocument doc) {
    List<? extends Object> titles = values.get("titles");
    if (titles == null || titles.isEmpty()) {
        return;/* w  w w . j  a  va  2s.c  o m*/
    }
    doc.addFieldValue("title_display", titles.get(0));
    if (titles.size() > 1) {
        doc.addFieldValues("alt_titles_t", titles.subList(1, titles.size()));
    }
}

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From source file:com.bitranger.parknshop.common.service.ads.ItemAdService.java

public List<PsPromotItem> randomReduce(List<PsPromotItem> src, int limit) {
    if (src.size() > limit) {
        ThreadLocalRandom rand = ThreadLocalRandom.current();
        int idx = rand.nextInt(limit);
        int nidx = rand.nextInt(limit, src.size());
        src.set(idx, src.get(nidx));//from www  .j av a 2  s  . c  o  m
        return new ArrayList<>(src.subList(0, limit));
    } else {
        return src;
    }
}

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From source file:com.dianping.cat.consumer.problem.ProblemReportMerger.java

protected List<String> mergeList(List<String> oldMessages, List<String> newMessages, int size) {
    int originalSize = oldMessages.size();

    if (originalSize < size) {
        int remainingSize = size - originalSize;

        if (remainingSize >= newMessages.size()) {
            oldMessages.addAll(newMessages);
        } else {/*from w  w w  .j a  v  a  2s. co  m*/
            oldMessages.addAll(newMessages.subList(0, remainingSize));
        }
    }
    return oldMessages;
}

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From source file:edu.emory.cci.aiw.cvrg.eureka.services.resource.DataElementResource.java

private void deleteFailed(List<String> dataElementsUsedIn, DataElementEntity proposition)
        throws HttpStatusException {
    String dataElementList;/*www . j  a v  a  2 s .  co  m*/
    int size = dataElementsUsedIn.size();
    if (size > 1) {
        List<String> subList = dataElementsUsedIn.subList(0, dataElementsUsedIn.size() - 1);
        dataElementList = StringUtils.join(subList, ", ") + " and " + dataElementsUsedIn.get(size - 1);
    } else {
        dataElementList = dataElementsUsedIn.get(0);
    }
    MessageFormat usedByOtherDataElements = new MessageFormat(
            messages.getString("dataElementResource.delete.error.usedByOtherDataElements"));
    String msg = usedByOtherDataElements
            .format(new Object[] { proposition.getDisplayName(), dataElementsUsedIn.size(), dataElementList });
    throw new HttpStatusException(Response.Status.PRECONDITION_FAILED, msg);
}

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