Permutator

java.lang.Object
- com.apicatalog.rdf.canon.Permutator

All Implemented Interfaces:

java.util.Iterator<java.lang.String[]>
```
final class Permutator
extends java.lang.Object
implements java.util.Iterator<java.lang.String[]>
```
Iterate over all possible permutations of an array.

Field Summary

Fields
Modifier and Type	Field	Description
`private java.lang.String[]`	`array`	The array we are permuting.
`private short[]`	`count`	Counts for Heap's algorithm.
`private boolean`	`nextExists`	Does another permutation exist?.
`private int`	`state`	State for Heap's algorithm.

Constructor Summary

Constructors
Constructor Description

Permutator(java.lang.String[] input)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method Description

boolean hasNext()

java.lang.String[] next()

(package private) void swap(int i, int j)
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
- Methods inherited from interface java.util.Iterator
  forEachRemaining, remove

- Field Detail
  - array
```
private final java.lang.String[] array
```
    The array we are permuting.
  - count
```
private final short[] count
```
    Counts for Heap's algorithm.
  - nextExists
```
private boolean nextExists
```
    Does another permutation exist?.
  - state
```
private int state
```
    State for Heap's algorithm.
- Constructor Detail
  - Permutator
```
Permutator(java.lang.String[] input)
```
- Method Detail
  - hasNext
```
public boolean hasNext()
```
    Specified by:
    
    hasNext in interface java.util.Iterator<java.lang.String[]>
  - next
```
public java.lang.String[] next()
```
    Specified by:
    
    next in interface java.util.Iterator<java.lang.String[]>
  - swap
```
void swap(int i,
          int j)
```