at.chrl.nutils

Class CollectionUtils

java.lang.Object

at.chrl.nutils.CollectionUtils

public final class CollectionUtils
extends Object

Author:

Vinzynth

Method Summary

Modifier and Type	Method and Description
static int	capacity(int expectedSize) Returns a capacity that is sufficient to keep the map from being resized as long as it grows no larger than expectedSize and the load factor is >= its default (0.75).
static <T> List<List<T>>	chopped(List<T> list, int length)
static <K,V> Supplier<Map<K,V>>	getConcurrentMapSupplier()
static <T> Supplier<Deque<T>>	getDequeSupplier()
static <T> Supplier<List<T>>	getListSupplier()
static <T> Supplier<List<T>>	getListSupplier(int size)
static <K,V> Supplier<Map<K,V>>	getMapSupplier()
static <K,V> Supplier<Map<K,V>>	getMapSupplier(int size)
static <T> Supplier<Queue<T>>	getQueueSupplier()
static <T> Supplier<Set<T>>	getSetSupplier()
static <T> Supplier<Set<T>>	getSetSupplier(int size)
static <K,V> Supplier<Map<K,V>>	getWeakMapSupplier()
static <K,V> Map<K,V>	newConcurrentMap()
static <K> List<K>	newList()
static <K> List<K>	newList(int size)
static <K,V> Map<K,V>	newMap()
static <K,V> Map<K,V>	newMap(int size)
static <K> Set<K>	newSet()
static <K> Set<K>	newSet(int size)
static Collection<Integer>	range(int startInc, int endInc)

Methods inherited from class java.lang.Object

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

Method Detail

capacity

public static int capacity(int expectedSize)

Returns a capacity that is sufficient to keep the map from being resized as long as it grows no larger than expectedSize and the load factor is >= its default (0.75).

getMapSupplier

public static <K,V> Supplier<Map<K,V>> getMapSupplier()

getSetSupplier

public static <T> Supplier<Set<T>> getSetSupplier()

getListSupplier

public static <T> Supplier<List<T>> getListSupplier()

getQueueSupplier

public static <T> Supplier<Queue<T>> getQueueSupplier()

getDequeSupplier

public static <T> Supplier<Deque<T>> getDequeSupplier()

getWeakMapSupplier

public static <K,V> Supplier<Map<K,V>> getWeakMapSupplier()

getConcurrentMapSupplier

public static <K,V> Supplier<Map<K,V>> getConcurrentMapSupplier()

getMapSupplier

public static <K,V> Supplier<Map<K,V>> getMapSupplier(int size)

getSetSupplier

public static <T> Supplier<Set<T>> getSetSupplier(int size)

getListSupplier

public static <T> Supplier<List<T>> getListSupplier(int size)

newMap

public static <K,V> Map<K,V> newMap()

newSet

public static <K> Set<K> newSet()

newList

public static <K> List<K> newList()

newMap

public static <K,V> Map<K,V> newMap(int size)

newSet

public static <K> Set<K> newSet(int size)

newList

public static <K> List<K> newList(int size)

newConcurrentMap

public static <K,V> Map<K,V> newConcurrentMap()

chopped

public static <T> List<List<T>> chopped(List<T> list,
                                        int length)

range

public static Collection<Integer> range(int startInc,
                                        int endInc)