Example usage for java.util Collection forEach

List of usage examples for java.util Collection forEach

Introduction

In this page you can find the example usage for java.util Collection forEach.

Prototype

default void forEach(Consumer<? super T> action) 

Source Link

Document

Performs the given action for each element of the Iterable until all elements have been processed or the action throws an exception.

Usage

From source file:Main.java

public static <T> boolean hasCycle(Collection<T> vertices, Function<T, Collection<T>> neighborExtractor) {
    Map<T, Collection<T>> parents = vertices.stream().collect(toMap(identity(), v -> new ArrayList<T>()));
    vertices.forEach(
            v -> nullSafeCollection(neighborExtractor.apply(v)).forEach(child -> parents.get(child).add(v)));

    Set<T> roots = vertices.stream().filter(v -> parents.get(v).isEmpty()).collect(Collectors.toSet());

    while (!roots.isEmpty()) {
        T root = roots.iterator().next();
        roots.remove(root);//from  ww w. j  a va 2  s  .co  m
        parents.remove(root);

        nullSafeCollection(neighborExtractor.apply(root)).forEach(child -> {
            parents.get(child).remove(root);
            if (parents.get(child).isEmpty()) {
                roots.add(child);
            }
        });

    }

    return !parents.isEmpty();
}

From source file:org.sonar.server.qualityprofile.ws.SearchDataLoader.java

private static void addAll(Map<String, QProfile> qualityProfiles, Collection<QProfile> list) {
    list.forEach(qualityProfile -> qualityProfiles.put(qualityProfile.language(), qualityProfile));
}

From source file:org.sonar.server.qualityprofile.ws.SearchDataLoader.java

private static void addAllFromDto(Map<String, QProfile> qualityProfiles, Collection<QualityProfileDto> list) {
    list.forEach(qualityProfile -> qualityProfiles.put(qualityProfile.getLanguage(),
            QualityProfileDtoToQProfile.INSTANCE.apply(qualityProfile)));
}

From source file:no.ntnu.okse.web.controller.LogController.java

/**
 * Private helper method that updates information regarding which log files that are available
 */// www  .  j  a v a  2  s . c o  m
private static void updateAvailableLogFiles() {
    File dir = new File("logs");
    Collection<File> files = FileUtils.listFiles(dir, TrueFileFilter.INSTANCE, TrueFileFilter.INSTANCE);

    files.forEach(f -> {
        if (!fileNames.containsValue(f.getName())) {
            if (f.getName().equalsIgnoreCase("okse.log")) {
                fileNames.put(0, f.getName());
            } else {
                fileNames.put(fileID++, f.getName());
            }
        }
    });

}

From source file:io.tilt.minka.domain.ShardDuty.java

public static String toStringIds(Collection<ShardDuty> duties) {
    final StringBuilder sb = new StringBuilder();
    duties.forEach(i -> sb.append(i.getDuty().getId()).append(", "));
    return sb.toString();
}

From source file:io.tilt.minka.domain.ShardDuty.java

public static String toStringBrief(Collection<ShardDuty> duties) {
    final StringBuilder sb = new StringBuilder();
    duties.forEach(i -> sb.append(i.toBrief()).append(", "));
    return sb.toString();
}

From source file:io.tilt.minka.domain.ShardDuty.java

public static String toString(Collection<ShardDuty> duties) {
    final StringBuilder sb = new StringBuilder();
    duties.forEach(i -> sb.append(i.toString()).append(", "));
    return sb.toString();
}

From source file:com.anathema_roguelike.main.utilities.Utils.java

public static <T extends HasWeightedProbability> T getWeightedRandomSample(Collection<T> col) {
    ArrayList<Pair<T, Double>> list = new ArrayList<>();

    col.forEach(i -> {
        list.add(new Pair<>(i, i.getWeightedProbability()));
    });//w  ww.  java 2 s .  c om

    return new EnumeratedDistribution<>(list).sample();
}

From source file:com.qwazr.QwazrConfiguration.java

private static Set<String> buildGroups(Collection<String> groupCollection) {
    if (groupCollection == null || groupCollection.isEmpty())
        return null;
    Set<String> groups = new HashSet<>();
    groupCollection.forEach((g) -> groups.add(g.trim()));
    return groups;
}

From source file:org.apache.geode.geospatial.function.GeoQueryFunction.java

public static final List<PdxInstance> query(String wellKnowText) {

    //Use the default connection pool to make the request on.   If we were connected to more then one
    //distributed system we would have ask for right system.   Since we are connected to only one we are fine
    // with default.
    Pool pool = ClientCacheFactory.getAnyInstance().getDefaultPool();
    //Since the spatial data is large and it partitioned over N servers we need to query all of the servers at the
    //same time.   On servers tell GemFire to execute the specifed function on all servers.
    Execution execution = FunctionService.onServers(pool).withArgs(wellKnowText);
    //We cause the execution to happen asynchronously
    Collection<Collection<PdxInstance>> resultCollector = (Collection<Collection<PdxInstance>>) execution
            .execute(ID).getResult();//from   w  w w  . ja  v a2 s.c o  m

    ArrayList<PdxInstance> results = new ArrayList<>();

    resultCollector.forEach(pdxInstanceCollection -> {
        if (pdxInstanceCollection != null) {
            pdxInstanceCollection.forEach(locationEvent -> {
                if (locationEvent != null) {
                    results.add(locationEvent);
                }
            });
        }
    });

    return results;

}