openlr.map.utils
Class IteratorHelper

java.lang.Object
  openlr.map.utils.IteratorHelper

public final class IteratorHelper
extends Object

The IteratorHelper provides helper methods for iterators.

OpenLR is a trade mark of TomTom International B.V.

email: software@openlr.org

Author:

TomTom International B.V.

Method Summary

static <E> boolean	contains(Iterator<? extends E> iter, E item) Checks if an element item is contained in the iterator sequence.
static <E> int	size(Iterator<E> iter) Returns the number of elements in the iterator sequence.

Methods inherited from class java.lang.Object

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

Method Detail

contains

public static <E> boolean contains(Iterator<? extends E> iter,
                                   E item)

Checks if an element item is contained in the iterator sequence. The iterator cannot be re-used after calling this function!!

Type Parameters:

E - the element type

Parameters:

iter - the iterator

item - the item

Returns:

true, if the element is in the iterator sequence

size

public static <E> int size(Iterator<E> iter)

Returns the number of elements in the iterator sequence. The iterator cannot be re-used after calling this function!!

Type Parameters:

E - the element type

Parameters:

iter - the iterator

Returns:

the number of elements