Example usage for java.util.stream IntStream range

Introduction

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

Prototype

public static IntStream range(int startInclusive, int endExclusive)

Source Link

Document

Returns a sequential ordered IntStream from startInclusive (inclusive) to endExclusive (exclusive) by an incremental step of 1 .

Usage

From source file:com.nebhale.springone2014.repository.InMemoryGameRepository.java

private Collection<Door> createDoors() {
    int winner = this.random.nextInt(3);

    return IntStream.range(0, 3).mapToObj(index -> {
        Long id = this.idGenerator.getAndIncrement();
        DoorContent content = (index == winner) ? DoorContent.BICYCLE : DoorContent.SMALL_FURRY_ANIMAL;
        return new Door(id, content);
    }).collect(Collectors.toList());
}

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

static List<String> manifestIDs(Manifest manifest) {
    return IntStream.range(0, manifest.count()).mapToObj(i -> manifest.id() + ":" + i)
            .collect(Collectors.toList());
}

From source file:com.abixen.platform.service.businessintelligence.multivisualization.service.impl.AbstractDatabaseService.java

public List<String> getColumns(Connection connection, String tableName) {

    List<String> columns = new ArrayList<>();

    try {/* w w w. j  a v a  2  s . c om*/
        ResultSetMetaData rsmd = getDatabaseMetaData(connection, tableName);

        int columnCount = rsmd.getColumnCount();

        IntStream.range(1, columnCount + 1).forEach(i -> {
            try {
                columns.add(rsmd.getColumnName(i));
            } catch (SQLException e) {
                e.printStackTrace();
            }
        });

    } catch (SQLException e) {
        e.printStackTrace();
    }

    return columns;
}

From source file:com.github.mrenou.jacksonatic.internal.AnnotatedClassLogger.java

private static void logConstructorAnnotations(AnnotatedClass annotatedClass, StringBuilder sb) {
    stream(annotatedClass.getConstructors())
            .filter(annotatedConstructor -> hasAnnotationOrParameterAnnotation(annotatedConstructor))
            .forEach(annotatedConstructor -> {
                List<Class<?>> parameterTypes = IntStream.range(0, annotatedConstructor.getParameterCount())
                        .mapToObj(index -> annotatedConstructor.getRawParameterType(index))
                        .collect(Collectors.toList());
                sb.append("> Constructor["
                        + methodSignature(annotatedClass.getAnnotated().getSimpleName(), parameterTypes)
                        + "] : " + annotationsItToStr(annotatedConstructor.annotations())).append(ln);
                logParameters(sb, annotatedConstructor);
            });//from  w  w  w. j av  a 2  s .  com
}

From source file:org.apache.sysml.runtime.controlprogram.paramserv.ParamservUtils.java

/**
 * Deep copy the list object//from   w ww. j  ava 2  s. com
 *
 * @param lo list object
 * @return a new copied list object
 */
public static ListObject copyList(ListObject lo) {
    if (lo.getLength() == 0) {
        return lo;
    }
    List<Data> newData = IntStream.range(0, lo.getLength()).mapToObj(i -> {
        Data oldData = lo.slice(i);
        if (oldData instanceof MatrixObject) {
            MatrixObject mo = (MatrixObject) oldData;
            return sliceMatrix(mo, 1, mo.getNumRows());
        } else if (oldData instanceof ListObject || oldData instanceof FrameObject) {
            throw new DMLRuntimeException("Copy list: does not support list or frame.");
        } else {
            return oldData;
        }
    }).collect(Collectors.toList());
    return new ListObject(newData, lo.getNames());
}

From source file:com.enitalk.controllers.youtube.CalendarTest.java

private static TreeMultimap<DateTime, DateTime> getPeriodSet(int from, int to) {

    TreeMultimap<DateTime, DateTime> multimap = TreeMultimap.create();

    DateTime now = new DateTime();
    Integer[] today = IntStream.range(now.hourOfDay().get() + 1, to + 1).boxed().toArray(Integer[]::new);

    DateTime zz = now.hourOfDay().setCopy(0).minuteOfDay().setCopy(0).secondOfDay().setCopy(0).millisOfSecond()
            .setCopy(0);/*from   ww  w.  j  a  v a  2s .co m*/
    for (Integer h : today) {
        multimap.put(zz, zz.hourOfDay().setCopy(h));
    }

    Integer[] fullDay = IntStream.range(from, to + 1).boxed().toArray(Integer[]::new);

    for (int i = 1; i < 5; i++) {
        for (Integer h : fullDay) {
            DateTime zeroDay = now.plusDays(i).hourOfDay().setCopy(0).minuteOfDay().setCopy(0).secondOfDay()
                    .setCopy(0).millisOfSecond().setCopy(0);
            multimap.put(zeroDay, zeroDay.hourOfDay().setCopy(h));
        }
    }
    return multimap;
}

From source file:org.jodconverter.office.SimpleOfficeManager.java

@Override
protected SimpleOfficeManagerPoolEntry[] createPoolEntries() {

    return IntStream.range(0, poolSize)
            .mapToObj(i -> new SimpleOfficeManagerPoolEntry((SimpleOfficeManagerPoolEntryConfig) config))
            .toArray(SimpleOfficeManagerPoolEntry[]::new);
}

From source file:org.esa.s3tbx.olci.radiometry.rayleigh.SpikeInterpolation.java

public static double getUpperValue(double[] doubles, double val) {
    final List<Double> xMin = new ArrayList<>();
    int length = doubles.length;
    IntStream.range(0, length).forEach(i -> {
        double v = doubles[i];
        if (v >= val) {
            xMin.add(v);//  www.  j av a  2  s.com
        }
    });
    double[] allMax = Doubles.toArray(xMin);
    if (allMax.length == 0) {
        throw new IllegalArgumentException("Can fine the closest max value of " + val);
    }
    return Doubles.min(allMax);
}

From source file:example.Application.java

/**
 * Creates a few sample users.//from  w  ww.j av a 2s.  c  o m
 */
@PostConstruct
public void init() {

    IntStream.range(0, 41).forEach(index -> {
        userManagement.register(new Username("user" + index), Password.raw("foobar"));
    });
}

From source file:org.obiba.mica.web.rest.security.CurrentSessionResource.java

@GET
public Mica.SessionDto get() {
    Subject subject = SecurityUtils.getSubject();
    Mica.SessionDto.Builder builder = Mica.SessionDto.newBuilder() //
            .setUsername(subject.getPrincipal().toString());
    List<String> roles = //
            Arrays.asList(Roles.MICA_ADMIN, Roles.MICA_REVIEWER, Roles.MICA_EDITOR, Roles.MICA_DAO,
                    Roles.MICA_USER); //

    boolean[] result = subject.hasRoles(roles);
    IntStream.range(0, result.length).filter(i -> result[i]).forEach(i -> builder.addRoles(roles.get(i)));
    return builder.build();
}