org.teiid.query.util

Class Permutation

java.lang.Object

org.teiid.query.util.Permutation

public class Permutation
extends Object

Constructor Summary

Constructors

Constructor and Description
Permutation(Object[] items)

Method Summary

Modifier and Type	Method and Description
Iterator<Object[]>	generate() Create list of arrays of items, in all possible permutations (that's n! permutations).
Iterator<Object[]>	generate(int size) Create list of arrays of items, in all possible permutations (that's n! permutations).

Methods inherited from class java.lang.Object

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

Constructor Detail

Permutation

public Permutation(Object[] items)

Method Detail

generate

public Iterator<Object[]> generate()

Create list of arrays of items, in all possible permutations (that's n! permutations).

Returns:

Iterator where each thing returned by the iterator is a permutation Object[]

generate

public Iterator<Object[]> generate(int size)

Create list of arrays of items, in all possible permutations (that's n! permutations).

Returns:

Iterator where each thing returned by the iterator is a permutation Object[] of length size