de.japkit.util

Class MoreCollectionExtensions

java.lang.Object

de.japkit.util.MoreCollectionExtensions

public class MoreCollectionExtensions
extends Object

Constructor Summary

Constructors

Constructor and Description
MoreCollectionExtensions()

Method Summary

Modifier and Type	Method and Description
static <T,FT> Iterable<FT>	filterInstanceOf(Iterable<T> unfiltered, Class<FT> type)
static <K,V> V	getOrCreate(Map<K,? super V> map, K key, org.eclipse.xtext.xbase.lib.Functions.Function1<? super K,? extends V> factory)
static <K,V> List<V>	getOrCreateList(Map<K,List<V>> map, K key)
static <K1,K2,V> Map<K2,V>	getOrCreateMap(Map<K1,Map<K2,V>> map, K1 key)
static <K,V> Set<V>	getOrCreateSet(Map<K,Set<V>> map, K key)
static <K,V> SortedSet<V>	getOrCreateSortedSet(Map<K,SortedSet<V>> map, K key)
static <T> T	singleValue(Iterable<? extends T> values)

Methods inherited from class java.lang.Object

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

Constructor Detail

MoreCollectionExtensions

public MoreCollectionExtensions()

Method Detail

getOrCreate

public static <K,V> V getOrCreate(Map<K,? super V> map,
                                  K key,
                                  org.eclipse.xtext.xbase.lib.Functions.Function1<? super K,? extends V> factory)

getOrCreateSet

public static <K,V> Set<V> getOrCreateSet(Map<K,Set<V>> map,
                                          K key)

getOrCreateMap

public static <K1,K2,V> Map<K2,V> getOrCreateMap(Map<K1,Map<K2,V>> map,
                                                 K1 key)

getOrCreateSortedSet

public static <K,V> SortedSet<V> getOrCreateSortedSet(Map<K,SortedSet<V>> map,
                                                      K key)

getOrCreateList

public static <K,V> List<V> getOrCreateList(Map<K,List<V>> map,
                                            K key)

filterInstanceOf

public static <T,FT> Iterable<FT> filterInstanceOf(Iterable<T> unfiltered,
                                                   Class<FT> type)

singleValue

public static <T> T singleValue(Iterable<? extends T> values)