eu.project.ttc.utils

Class CollectionUtils

java.lang.Object

eu.project.ttc.utils.CollectionUtils

public class CollectionUtils
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
CollectionUtils()

Method Summary

Modifier and Type	Method and Description
static <T extends java.lang.Comparable<? super T>> java.util.Set<Pair<T>>	combineAndProduct(java.util.List<? extends java.util.Set<? extends T>> sets) Transforms a list of sets into a set of element pairs, which is the union of all cartesian products of all pairs of sets.

Methods inherited from class java.lang.Object

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

Constructor Detail

CollectionUtils

public CollectionUtils()

Method Detail

combineAndProduct

public static <T extends java.lang.Comparable<? super T>> java.util.Set<Pair<T>> combineAndProduct(java.util.List<? extends java.util.Set<? extends T>> sets)

Transforms a list of sets into a set of element pairs, which is the union of all cartesian products of all pairs of sets. Example: A = {a,b,c} B = {d} C = {e, f} returns AxB U AxC U BxC = { {a,d}, {b,d}, {c,d}, {a,e}, {a,f}, {b,e}, {b,f}, {c,e}, {c,f}, {d,e}, {d,f} }

Parameters:

iterable -

Returns: