Package org.apache.wayang.core.util

Class WayangArrays

java.lang.Object

org.apache.wayang.core.util.WayangArrays

public class WayangArrays
extends Object

Utility for handling arrays.

Method Summary

Modifier and Type	Method	Description
static <T> boolean	anyMatch(T[] array, Predicate<T> predicate)
static List<Integer>	asList(int... values)	Converts int varargs into a List.
static List<Long>	asList(long... values)	Converts long varargs into a List.
static int[]	range(int to)	Enumerates in ascending order all integers 0 <= i < to.
static int[]	range(int from, int to)	Enumerates in ascending order all integers from <= i < to.
static int[]	toArray(BitSet bitSet)	Converts a BitSet to an array that contains all indices set in this BitSet.
static long[]	toArray(Collection<Long> values)	Convertes the values into a long array.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

range

public static int[] range(int from,
 int to)

Enumerates in ascending order all integers from <= i < to.

range

public static int[] range(int to)

Enumerates in ascending order all integers 0 <= i < to.

anyMatch

public static <T> boolean anyMatch(T[] array,
 Predicate<T> predicate)

asList

public static List<Integer> asList(int... values)

Converts int varargs into a List.

asList

public static List<Long> asList(long... values)

Converts long varargs into a List.

toArray

public static long[] toArray(Collection<Long> values)

Convertes the values into a long array. This prohibits null values.

toArray

public static int[] toArray(BitSet bitSet)

Converts a BitSet to an array that contains all indices set in this BitSet.