org.teiid.query.util
Class Permutation

java.lang.Object
  org.teiid.query.util.Permutation

public class Permutation
extends Object

Constructor Summary

Permutation(Object[] items)

Method Summary

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