com.metamatrix.common.util
Class Permutation

java.lang.Object
  com.metamatrix.common.util.Permutation

public class Permutation
extends java.lang.Object

Constructor Summary

Permutation(java.lang.Object[] items)

Method Summary

java.util.Iterator	generate() Create list of arrays of items, in all possible permutations (that's n! permutations).
java.util.Iterator	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(java.lang.Object[] items)

Method Detail

generate

public java.util.Iterator 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 java.util.Iterator 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