Class BigRationalUniqueIterator

java.lang.Object

edu.jas.arith.BigRationalUniqueIterator

All Implemented Interfaces:

Iterator<BigRational>

class BigRationalUniqueIterator
extends Object
implements Iterator<BigRational>

Big rational unique iterator. Uses Cantors diagonal enumeration, produces distinct elements.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) final Iterator<BigRational>	ratit
(package private) final Set<BigRational>	unique	data structure.

Constructor Summary

Constructors

Constructor	Description
BigRationalUniqueIterator()	BigRational iterator constructor.
BigRationalUniqueIterator(Iterator<BigRational> rit)	BigRational iterator constructor.

Method Summary

Modifier and Type	Method	Description
boolean	hasNext()	Test for availability of a next element.
BigRational	next()	Get next rational.
void	remove()	Remove an element if allowed.

Methods inherited from class Object

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

Methods inherited from interface Iterator

forEachRemaining

Field Details

unique

final Set<BigRational> unique

data structure.

ratit

final Iterator<BigRational> ratit

Constructor Details

BigRationalUniqueIterator

public BigRationalUniqueIterator()

BigRational iterator constructor.

BigRationalUniqueIterator

public BigRationalUniqueIterator(Iterator<BigRational> rit)

BigRational iterator constructor.

Parameters:

rit - backing rational iterator of non unique elements

Method Details

hasNext

public boolean hasNext()

Test for availability of a next element.

Specified by:

hasNext in interface Iterator<BigRational>

Returns:

true if the iteration has more elements, else false.

next

public BigRational next()

Get next rational.

Specified by:

next in interface Iterator<BigRational>

Returns:

next rational.

remove

public void remove()

Remove an element if allowed.

Specified by:

remove in interface Iterator<BigRational>