Package org.apache.jena.util.iterator

Class RandomOrderIterator<T>

java.lang.Object

org.apache.jena.util.iterator.NiceIterator<T>

org.apache.jena.util.iterator.WrappedIterator<T>

org.apache.jena.util.iterator.RandomOrderIterator<T>

All Implemented Interfaces:

Iterator<T>, IteratorCloseable<T>, Closeable, ClosableIterator<T>, ExtendedIterator<T>

public class RandomOrderIterator<T>
extends WrappedIterator<T>

RandomOrderIterator - Reorders the elements returned by an Iterator.

Constructor Summary

Constructors

Constructor	Description
RandomOrderIterator(int sz, Iterator<T> base)	Wrap the base iterator, randomizing with a buffer of length sz.

Method Summary

Modifier and Type	Method	Description
boolean	hasNext()	hasNext: defer to the base iterator
T	next()	next: defer to the base iterator
void	remove()	if .remove() is allowed, delegate to the base iterator's .remove; otherwise, throw an UnsupportedOperationException.

Methods inherited from class org.apache.jena.util.iterator.WrappedIterator

close, close, create, createIteratorIterator, createNoRemove, forTestingOnly_getBase, ofStream

Methods inherited from class org.apache.jena.util.iterator.NiceIterator

andThen, andThen, asList, asSet, emptyIterator, filterDrop, filterKeep, mapWith, removeNext, toList, toSet

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.jena.util.iterator.ExtendedIterator

forEach, nextOptional

Methods inherited from interface java.util.Iterator

forEachRemaining

Constructor Details

RandomOrderIterator

public RandomOrderIterator(int sz,
 Iterator<T> base)

Wrap the base iterator, randomizing with a buffer of length sz.

Method Details

hasNext

public boolean hasNext()

Description copied from class: WrappedIterator

hasNext: defer to the base iterator

Specified by:

hasNext in interface Iterator<T>

Overrides:

hasNext in class WrappedIterator<T>

next

public T next()

Description copied from class: WrappedIterator

next: defer to the base iterator

Specified by:

next in interface Iterator<T>

Overrides:

next in class WrappedIterator<T>

remove

public void remove()

Description copied from class: WrappedIterator

if .remove() is allowed, delegate to the base iterator's .remove; otherwise, throw an UnsupportedOperationException.

Specified by:

remove in interface Iterator<T>

Overrides:

remove in class WrappedIterator<T>