Java List.removeIf方法代碼示例

import java.util.List; //導入方法依賴的package包/類
@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
    super.channelActive(ctx);
    logger.info("通道重置");
    List<ChannelPipeline> channelPipelines = tcpMediator.getSendingMsgRepo().getChannelPipelines();
    channelPipelines.add(ctx.pipeline());
    channelPipelines.removeIf(channel -> {
        i++;
        if (channel == null || !channel.channel().isActive()) {
            logger.info("「" + i + "」" + "通道失效");
            return true;
        } else {
            logger.info("「" + i + "」" + "通道有效");
            return false;
        }
    });
    i = 0;
    logger.info("通道數量：" + channelPipelines.size());
}
 

import java.util.List; //導入方法依賴的package包/類
public static void duelIfCrowded(World world, NemesisEntry exclude, boolean onlyIfCrowded) {
	List<NemesisEntry> nemeses = NemesisRegistryProvider.get(world).list();
	nemeses.removeIf(NemesisEntry::isDead);

	if (onlyIfCrowded && nemeses.size() < NemesisConfig.NEMESIS_LIMIT) {
		return;
	}

	nemeses.removeIf(NemesisEntry::isSpawned);
	if (exclude != null) {
		nemeses.removeIf((NemesisEntry n) -> n.getId().equals(exclude.getId()));
	}

	if (nemeses.size() < 2) {
		return;
	}

	//TODO factor in distance, the closer the nemeses the more likely they should be to duelIfCrowded

	// get the weaklings
	Collections.shuffle(nemeses);
	nemeses.sort(Comparator.comparingInt(NemesisEntry::getLevel));
	duel(world, nemeses.get(0), nemeses.get(1));
}
 

import java.util.List; //導入方法依賴的package包/類
@Test
public void testRemoveIfThrowsCME() {
    @SuppressWarnings("unchecked")
    final CollectionSupplier<List<Integer>> supplier = new CollectionSupplier(LIST_CME_SUPPLIERS, SIZE);
    for (final CollectionSupplier.TestCase<List<Integer>> test : supplier.get()) {
        final List<Integer> list = test.collection;

        if (list.size() <= 1) {
            continue;
        }
        boolean gotException = false;
        try {
            // bad predicate that modifies its list, should throw CME
            list.removeIf(list::add);
        } catch (ConcurrentModificationException cme) {
            gotException = true;
        }
        if (!gotException) {
            fail("expected CME was not thrown from " + test);
        }
    }
}
 

import java.util.List; //導入方法依賴的package包/類
/**
 * Finds an existing empty shard, or returns null if none exist.
 */
private static Shard findEmptyShard(RangeShardMap<Integer> shardMap) {
    // Get all shards in the shard map (ordered by name)
    List<Shard> allShards = shardMap.getShards().stream().sorted(Comparator.comparing(shard -> shard.getLocation().getDatabase()))
            .collect(Collectors.toList());

    // Get all mappings in the shard map
    List<RangeMapping> allMappings = shardMap.getMappings();

    // Determine which shards have mappings
    Set<UUID> shardsIdsWithMappings = allMappings.stream().map(RangeMapping::getShard).map(Shard::getId).collect(Collectors.toSet());

    // Remove all the shards that has mappings
    allShards.removeIf(shard -> shardsIdsWithMappings.contains(shard.getId()));

    // Get the first shard, if it exists
    return Iterables.getFirst(allShards, null);
}
 

import java.util.List; //導入方法依賴的package包/類
private static List<String> getList(final String fileName) {
    final List<String> lines = new ArrayList<>();

    Optional.ofNullable(UtteranceGenerator.class.getResource(fileName)).ifPresent(url -> {
        final File file = new File(url.getFile());

        try (final Scanner scanner = new Scanner(file)) {
            while (scanner.hasNextLine()) {
                lines.add(scanner.nextLine());
            }
            scanner.close();
        } catch (final IOException e) {
            e.printStackTrace();
        }
    });
    // eliminate empty lines
    lines.removeIf(StringUtils::isBlank);
    // eliminate commentary
    lines.removeIf(line -> line.startsWith("//"));
    return lines;
}
 

import java.util.List; //導入方法依賴的package包/類
private static void removeObserverFromObserverList(NotificationObserver observer, List<NotificationObserver> observerList) {
	observerList.removeIf(actualObserver -> actualObserver.equals(observer));

	observerList.removeIf(actualObserver -> {
		if(actualObserver instanceof WeakNotificationObserver) {
			WeakNotificationObserver weakObserver = (WeakNotificationObserver) actualObserver;

			NotificationObserver wrappedObserver = weakObserver.getWrappedObserver();

			if(wrappedObserver == null) { // if reference was GCed we can remove the weakObserver
				return true;
			} else {
				return wrappedObserver.equals(observer);
			}
		}

		return false;
	});
}
 

import java.util.List; //導入方法依賴的package包/類
@Override
public CommandResult execute(CommandSource src, CommandContext args) throws CommandException {
    List<Camera> cams = new ArrayList<>(plugin.getCameras().values());
    cams.removeIf((cam)-> !cam.canUseCamera(src));

    Iterable<Text> texts = cams.parallelStream().map((cam)->
            plugin.translations.CAMERA_LIST_ITEM.apply(cam.templateVariables())
            .onHover(TextActions.showText(
                    plugin.translations.CAMERA_LIST_ITEM_HOVER.apply(cam.templateVariables()).build()
            ))
            .onClick(TextActions.runCommand("/camera view " + cam.getId())).build()
    ).collect(Collectors.toList());

    PaginationList.builder()
            .title(plugin.translations.CAMERA_LIST_TITLE)
            .contents(texts)
            .sendTo(src);

    return CommandResult.success();
}
 

import java.util.List; //導入方法依賴的package包/類
/**
 * Checks incremental sweeping of unreachable iterators.
 * Excessively white box?!
 */
public void incrementalSweepingOfUnreachableIterators() {
    boolean fair = rnd.nextBoolean();
    int capacity = rnd.nextInt(10, 20);
    ArrayBlockingQueue q = new ArrayBlockingQueue(capacity, fair);
    randomizePutIndex(q);
    final int SHORT_SWEEP_PROBES = 4;
    final int LONG_SWEEP_PROBES = 16;
    final int PROBE_HOP = LONG_SWEEP_PROBES + 6 * SHORT_SWEEP_PROBES;
    final int PROBE_HOP_COUNT = 10;
    // Expect around 8 sweeps per PROBE_HOP
    final int SWEEPS_PER_PROBE_HOP = 8;
    List<Iterator> its = new ArrayList<>();
    for (int i = 0; i < capacity; i++)
        q.add(i);
    for (int i = 0; i < PROBE_HOP_COUNT * PROBE_HOP; i++)
        its.add(q.iterator());
    assertEquals(attachedIterators(q), its);
    // make some garbage, separated by PROBE_HOP
    for (int i = 0; i < its.size(); i += PROBE_HOP)
        its.set(i, null);
    its.removeIf(it -> it == null);
    forceFullGc();
    int retries;
    for (retries = 0;
         trackedIterators(q).contains(null) && retries < 1000;
         retries++)
        // one round of sweeping
        its.add(q.iterator());
    assertTrue(retries >= PROBE_HOP_COUNT * (SWEEPS_PER_PROBE_HOP - 2));
    assertTrue(retries <= PROBE_HOP_COUNT * (SWEEPS_PER_PROBE_HOP + 2));
    assertEquals(trackedIterators(q), its);
}
 

import java.util.List; //導入方法依賴的package包/類
public static void verifyUpgrades(TileEntity tile,List<IUpgradeProvider> list)
{
    //Count, remove, sort
    //This call is expensive. Ideally should be cached.
    HashMap<String,Integer> upgradeCounts = new HashMap<>();
    list.forEach(x -> {
        String id = x.getUpgradeId();
        upgradeCounts.put(x.getUpgradeId(), upgradeCounts.containsKey(id) ? upgradeCounts.get(x.getUpgradeId()) : 1);
    });
    list.removeIf(x -> upgradeCounts.get(x.getUpgradeId()) > x.getLimit(tile));
    list.sort((x,y) -> Integer.compare(x.getPriority(),y.getPriority()));
}
 

import java.util.List; //導入方法依賴的package包/類
private static List<Serialiser> getSerialisers() {
    final List<Serialiser> serialisers = getSubClassInstances(Serialiser.class);
    serialisers.removeIf(c -> {
        boolean contains = false;
        for (final ToBytesSerialiser serialiser : TO_BYTES_SERIALISERS) {
            if (serialiser.getClass().equals(c.getClass())) {
                contains = true;
                break;
            }
        }
        return contains;
    });
    return serialisers;
}
 

import java.util.List; //導入方法依賴的package包/類
@Override
public InternalAggregation doReduce(final List<InternalAggregation> aggregations,
    final ReduceContext reduceContext) {
  // merge samples across all shards
  final List<InternalAggregation> aggs = new ArrayList<>(aggregations);
  aggs.removeIf(p -> ((BaseInternalAggregation) p).sampling == null);

  // return empty result if all samples are null
  if (aggs.isEmpty()) {
    return buildEmptyInternalAggregation();
  }

  final S composedSampling = buildSampling(this.featuresCount);
  for (int i = 0; i < aggs.size(); ++i) {
    LOGGER.debug("Merging sampling={}: {}", i, ((BaseInternalAggregation) aggs.get(i)).sampling);
    //noinspection unchecked
    composedSampling.merge((S) ((BaseInternalAggregation) aggs.get(i)).sampling);
  }

  if (composedSampling.getCount() <= composedSampling.getFeaturesCount()) {
    LOGGER.debug(
        "Insufficient amount of training data for model estimation, at least {} are required, given {}",
        composedSampling.getFeaturesCount() + 1, composedSampling.getCount());
    return buildEmptyInternalAggregation();
  }

  M evaluatedResults = null;
  try {
    evaluatedResults = evaluateResults(composedSampling);
  } catch (final EstimationException e) {
    LOGGER.debug(
        "Failed to estimate model", e);
    return buildEmptyInternalAggregation();
  }

  LOGGER.debug("Evaluated results: {}", evaluatedResults);
  return buildInternalAggregation(this.name, this.featuresCount, composedSampling,
      evaluatedResults,
      pipelineAggregators(), getMetaData());
}
 

import java.util.List; //導入方法依賴的package包/類
private static List<MethodSignatureBackedByPsiMethod> superMethods(PsiMethod method) {
    List<MethodSignatureBackedByPsiMethod> signatures = method.findSuperMethodSignaturesIncludingStatic(true);
    signatures.removeIf(superSignature ->
            superSignature.getMethod().getParameterList().getParametersCount()
                    != method.getParameterList().getParametersCount());
    return signatures;
}
 

import java.util.List; //導入方法依賴的package包/類
@Override
public List<IScanIssue> doScan(IHttpRequestResponse baseRequestResponse, IScannerInsertionPoint insertionPoint) {
    IResponseInfo resp = helpers.analyzeResponse(baseRequestResponse.getResponse());
    IRequestInfo req = helpers.analyzeRequest(baseRequestResponse.getRequest());
    if (resp == null | req == null) return null;

    URL url = helpers.analyzeRequest(baseRequestResponse).getUrl();
    if (flags.contains(url.toString())) return null;
    else flags.add(url.toString());

    IBurpCollaboratorClientContext collaboratorContext = callbacks.createBurpCollaboratorClientContext();
    String collaboratorPayload = collaboratorContext.generatePayload(true);
    List<IScanIssue> issues = new ArrayList<>();

    for (String xxe : XXEPayloads) {
        xxe = xxe.replace("{collaboratorPayload}", collaboratorPayload);
        List<String> headers = helpers.analyzeRequest(baseRequestResponse).getHeaders();
        headers.set(0, headers.get(0).replace("GET", "POST"));
        headers.removeIf(header -> header != null && header.toLowerCase().startsWith("content-type:"));
        headers.add("Content-type: application/xml");

        byte[] attackBody = helpers.buildHttpMessage(headers, helpers.stringToBytes(xxe));
        IHttpRequestResponse attackRequestResponse = callbacks.makeHttpRequest(baseRequestResponse.getHttpService(), attackBody);
        List<IBurpCollaboratorInteraction> collaboratorInteractions = collaboratorContext.fetchCollaboratorInteractionsFor(collaboratorPayload);

        if (attackRequestResponse != null && attackRequestResponse.getResponse() != null
                && collaboratorInteractions != null
                && (!collaboratorInteractions.isEmpty() || helpers.bytesToString(attackRequestResponse.getResponse()).contains("dryat0Uct333"))) {
            String attackDetails = "XXE processing is enabled at: \n" + helpers.analyzeRequest(attackRequestResponse).getUrl().toString();

            issues.add(new CustomScanIssue(attackRequestResponse.getHttpService(),
                    helpers.analyzeRequest(attackRequestResponse).getUrl(),
                    new IHttpRequestResponse[]{callbacks.applyMarkers(attackRequestResponse, null, null)},
                    attackDetails, ISSUE_TYPE, ISSUE_NAME, SEVERITY, CONFIDENCE,
                    "", "", ""));
        }
    }
    return issues.isEmpty() ? null : issues;
}
 

import java.util.List; //導入方法依賴的package包/類
@Override
public List<IScanIssue> doScan(IHttpRequestResponse baseRequestResponse, IScannerInsertionPoint insertionPoint) {
    IResponseInfo resp = helpers.analyzeResponse(baseRequestResponse.getResponse());
    IRequestInfo req = helpers.analyzeRequest(baseRequestResponse.getRequest());
    if (resp == null | req == null) return null;

    URL url = helpers.analyzeRequest(baseRequestResponse).getUrl();
    if (flags.contains(url.toString())) return null;
    else flags.add(url.toString());

    List<IScanIssue> issues = new ArrayList<>();

    List<String> headers = helpers.analyzeRequest(baseRequestResponse).getHeaders();
    headers.set(0, headers.get(0).replace("GET", "POST"));
    headers.removeIf(header -> header != null && header.toLowerCase().startsWith("content-type:"));
    headers.add("Content-type: application/xml;charset=UTF-8");

    byte[] attackBody = helpers.buildHttpMessage(headers, helpers.stringToBytes(PAYLOAD));
    IHttpRequestResponse attackRequestResponse = callbacks.makeHttpRequest(baseRequestResponse.getHttpService(), attackBody);

    if (attackRequestResponse != null && attackRequestResponse.getResponse() != null
            && helpers.bytesToString(attackRequestResponse.getResponse()).toLowerCase().contains("faultcode")
            && (helpers.bytesToString(attackRequestResponse.getResponse()).toLowerCase().contains("http://ws.apache.org/xmlrpc/namespaces/extensions")
            || helpers.bytesToString(attackRequestResponse.getResponse()).toLowerCase().contains("org.hibernate.engine.spi.typedvalue"))) {

        String attackDetails = "The application deserialize untrusted serialized Java objects at <b>" +
                helpers.analyzeRequest(attackRequestResponse).getUrl().toString() +
                "</b> without first checking the type of the received object. This issue can be" +
                " exploited by sending malicious objects that, when deserialized," +
                " execute custom Java code.";

        issues.add(new CustomScanIssue(attackRequestResponse.getHttpService(),
                helpers.analyzeRequest(attackRequestResponse).getUrl(),
                new IHttpRequestResponse[]{callbacks.applyMarkers(attackRequestResponse, null, null)},
                attackDetails, ISSUE_TYPE, ISSUE_NAME, SEVERITY, CONFIDENCE,
                "", "", ""));
    }
    return issues.isEmpty() ? null : issues;
}
 

import java.util.List; //導入方法依賴的package包/類
@SuppressWarnings({ "rawtypes", "unchecked" })
public static boolean immunizationDue(String immunization, Person person, long time,
    Map<String, List<Long>> immunizationsGiven) {
  int ageInMonths = person.ageInMonths(time);

  List<Long> history = null;
  if (immunizationsGiven.containsKey(immunization)) {
    history = immunizationsGiven.get(immunization);
  } else {
    history = new ArrayList<Long>();
    immunizationsGiven.put(immunization, history);
  }

  // Don't administer if the immunization wasn't historically available at the date of the
  // encounter
  Map schedule = immunizationSchedule.get(immunization);
  Double firstAvailable = (Double) schedule.getOrDefault("first_available", 1900);
  if (time < Utilities.convertCalendarYearsToTime(firstAvailable.intValue())) {
    return false;
  }

  // Don't administer if all recommended doses have already been given
  List atMonths = new ArrayList((List) schedule.get("at_months"));
  if (history.size() >= atMonths.size()) {
    return false;
  }

  // See if the patient should receive a dose based on their current age and the recommended dose
  // ages;
  // we can't just see if greater than the recommended age for the next dose they haven't received
  // because i.e. we don't want to administer the HPV vaccine to someone who turns 90 in 2006 when
  // the
  // vaccine is released; we can't just use a simple test of, say, within 4 years after the
  // recommended
  // age for the next dose they haven't received because i.e. PCV13 is given to kids and seniors
  // but was
  // only available starting in 2010, so a senior in 2012 who has never received a dose should get
  // one,
  // but only one; what we do is:

  // 1) eliminate any recommended doses that are not within 4 years of the patient's age
  // at_months = at_months.reject { |am| age_in_months - am >= 48 }
  Predicate<Double> notWithinFourYears = p -> ((ageInMonths - p) >= 48);
  atMonths.removeIf(notWithinFourYears);
  if (atMonths.isEmpty()) {
    return false;
  }

  // 2) eliminate recommended doses that were actually administered
  for (Long date : history) {
    int ageAtDate = person.ageInMonths(date);
    double recommendedAge = (double) atMonths.get(0);
    if (ageAtDate >= recommendedAge && ((ageAtDate - recommendedAge) < 48)) {
      atMonths.remove(0);
      if (atMonths.isEmpty()) {
        return false;
      }
    }
  }

  // 3) see if there are any recommended doses remaining that this patient is old enough for
  return !atMonths.isEmpty() && ageInMonths >= (double) atMonths.get(0);
}