Example usage for java.util List stream

Introduction

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

Prototype

default Stream<E> stream()

Source Link

Document

Returns a sequential Stream with this collection as its source.

Usage

From source file:com.wormsim.utils.TrackedScalar.java

public static double calcBetweenVarianceA(List<List<Double>> data) {
    double psi__ = data.stream().mapToDouble((arr) -> arr.stream().mapToDouble((d) -> d).sum() / (arr.size()))
            .sum() / (data.size());//w  ww. j  a v a2 s.  com
    double result = data.stream().mapToDouble(
            (arr) -> pow(arr.stream().mapToDouble((d) -> d).sum() / (arr.size()) - psi__, 2) * arr.size()).sum()
            / (data.size() - 1);
    System.out.println("Between Variance A = " + result);
    return result;
}

From source file:com.wormsim.utils.TrackedScalar.java

public static double calcWithinVarianceA(List<List<Double>> data) {
    double result = data.stream().mapToDouble((arr) -> {
        final double psi_m = arr.stream().mapToDouble((d) -> d).sum() / (arr.size());
        return arr.stream().mapToDouble((d) -> pow(d - psi_m, 2)).sum() / (arr.size() - 1);
    }).sum() / (data.size());/* w ww .java 2  s  .  co m*/
    System.out.println("Within Variance A = " + result);
    return result;
}

From source file:com.wormsim.utils.TrackedScalar.java

public static double calcWithinVarianceB(List<List<Double>> data) {
    double result = data.stream().mapToDouble((arr) -> {
        final double psi_m = arr.stream().mapToDouble((d) -> d / (arr.size())).sum();
        return arr.stream().mapToDouble((d) -> pow(d - psi_m, 2) / (arr.size() - 1)).sum() / (data.size());
    }).sum();/*  w  w  w. j  a v a 2s .  c  om*/
    System.out.println("Within Variance B = " + result);
    return result;
}

From source file:com.astamuse.asta4d.web.form.flow.ext.ExcludingFieldRetrievableFormHelper.java

public static final String[] retrieveExcludingFieldsByIncluding(Class<?> cls, String... includingFields) {
    List<AnnotatedPropertyInfo> props = AnnotatedPropertyUtil.retrieveProperties(cls);
    return props.stream().filter(p -> !ArrayUtils.contains(includingFields, p.getName())).map(p -> p.getName())
            .toArray(size -> {// www  .ja v a  2 s .c  om
                return new String[size];
            });
}

From source file:com.wormsim.utils.TrackedScalar.java

public static double calcBetweenVarianceB(List<List<Double>> data) {
    double psi__ = data.stream()
            .mapToDouble((arr) -> arr.stream().mapToDouble((d) -> d / (arr.size())).sum() / (data.size()))
            .sum();/*from w w w  . j  a v a  2  s. c o m*/
    double result = data.stream()
            .mapToDouble((arr) -> pow(arr.stream().mapToDouble((d) -> d).sum() / (arr.size()) - psi__, 2)
                    * arr.size() / (data.size() - 1))
            .sum();
    System.out.println("Between Variance B = " + result);
    return result;
}

From source file:com.ixortalk.aws.cognito.boot.filter.AwsCognitoIdTokenProcessor.java

private static <T, U> List<U> convertList(List<T> from, Function<T, U> func) {
    return from.stream().map(func).collect(Collectors.toList());
}

From source file:com.thoughtworks.go.config.CaseInsensitiveString.java

public static List<CaseInsensitiveString> list(List<String> strings) {
    return toList(strings.stream());
}

From source file:com.github.horrorho.inflatabledonkey.cloud.clients.MBKSyncClient.java

static List<CloudKit.ProtectionInfo> zone(List<CloudKit.ZoneRetrieveResponse> response, ProtectionZone zone) {
    return response.stream().map(CloudKit.ZoneRetrieveResponse::getZoneSummarysList).flatMap(Collection::stream)
            .filter(CloudKit.ZoneRetrieveResponseZoneSummary::hasTargetZone)
            .map(CloudKit.ZoneRetrieveResponseZoneSummary::getTargetZone)
            .filter(CloudKit.Zone::hasProtectionInfo).map(CloudKit.Zone::getProtectionInfo)
            .collect(Collectors.toList());
}

From source file:com.netflix.spinnaker.clouddriver.kubernetes.v2.description.manifest.KubernetesKind.java

public static List<KubernetesKind> fromStringList(List<String> names) {
    return names.stream().map(KubernetesKind::fromString).collect(Collectors.toList());
}

From source file:com.u2apple.tool.util.StaticMapFileUtils.java

private static void sortModels(List<VID> vids, Set<String> changedVids) {
    vids.stream().filter((vid) -> (changedVids.contains(vid.getValue()))).forEach((vid) -> {
        sortModels(vid);/* www. j  a  v a  2  s. com*/
    });
}