Package uk.gov.gchq.gaffer.commonutil

Class CollectionUtil

java.lang.Object

uk.gov.gchq.gaffer.commonutil.CollectionUtil

public final class CollectionUtil
extends Object

Method Summary

Modifier and Type	Method	Description
static boolean	anyMissing(Collection collection, Object... objects)
static boolean	containsAny(Collection collection, Object... objects)
static <T> boolean	distinct(Collection<T> collection)	Determine whether all of the items in the given Collection are unique.
static Iterable[]	toIterableArray(Collection<? extends Iterable> collection)
static <K,V> Map<Class<? extends K>,V>	toMapWithClassKeys(Map<String,V> mapAsStrings)
static <K,V> void	toMapWithClassKeys(Map<String,V> mapAsStrings, Map<Class<? extends K>,V> map)
static <K,V> Map<String,V>	toMapWithStringKeys(Map<Class<? extends K>,V> map)
static <K,V> void	toMapWithStringKeys(Map<Class<? extends K>,V> map, Map<String,V> mapAsStrings)
static <T> TreeSet<T>	treeSet(T... items)

Methods inherited from class java.lang.Object

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

Method Detail

toIterableArray

public static Iterable[] toIterableArray(Collection<? extends Iterable> collection)

treeSet

public static <T> TreeSet<T> treeSet(T... items)

toMapWithClassKeys

public static <K,V> void toMapWithClassKeys(Map<String,V> mapAsStrings,
                                                  Map<Class<? extends K>,V> map)
                                           throws ClassNotFoundException

Throws:

ClassNotFoundException

toMapWithClassKeys

public static <K,V> Map<Class<? extends K>,V> toMapWithClassKeys(Map<String,V> mapAsStrings)
                                                                      throws ClassNotFoundException

Throws:

ClassNotFoundException

toMapWithStringKeys

public static <K,V> void toMapWithStringKeys(Map<Class<? extends K>,V> map,
                                                   Map<String,V> mapAsStrings)

toMapWithStringKeys

public static <K,V> Map<String,V> toMapWithStringKeys(Map<Class<? extends K>,V> map)

containsAny

public static boolean containsAny(Collection collection,
                                  Object... objects)

anyMissing

public static boolean anyMissing(Collection collection,
                                 Object... objects)

distinct

public static <T> boolean distinct(Collection<T> collection)

Determine whether all of the items in the given Collection are unique.

Type Parameters:

T - the type of object contained in the collection

Parameters:

collection - the collection to check

Returns:

true if all the items in the Collection are unique (as determined by Object.equals(Object), otherwise false