com.ibm.cloud.objectstorage.test.util

Class UnorderedCollectionComparator

java.lang.Object

com.ibm.cloud.objectstorage.test.util.UnorderedCollectionComparator

public class UnorderedCollectionComparator
extends Object

This class includes some utility methods for comparing two unordered collections.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	UnorderedCollectionComparator.CrossTypeComparator<A,B> A simple interface that attempts to compare objects of two different types

Constructor Summary

Constructors

Constructor and Description
UnorderedCollectionComparator()

Method Summary

Modifier and Type	Method and Description
static <A,B> boolean	equalUnorderedCollections(Collection<A> colA, Collection<B> colB, UnorderedCollectionComparator.CrossTypeComparator<A,B> comparator) Compares two unordered lists of different types, using the specified cross-type comparator.
static <T> boolean	equalUnorderedCollections(Collection<T> colA, Collection<T> colB) Compares two unordered lists of the same type.

Methods inherited from class java.lang.Object

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

Constructor Detail

UnorderedCollectionComparator

public UnorderedCollectionComparator()

Method Detail

equalUnorderedCollections

public static <T> boolean equalUnorderedCollections(Collection<T> colA,
                                                    Collection<T> colB)

Compares two unordered lists of the same type.

equalUnorderedCollections

public static <A,B> boolean equalUnorderedCollections(Collection<A> colA,
                                                      Collection<B> colB,
                                                      UnorderedCollectionComparator.CrossTypeComparator<A,B> comparator)

Compares two unordered lists of different types, using the specified cross-type comparator. Null collections are treated as empty ones. Naively implemented using N(n^2) algorithm.