Package org.apache.jena.util.iterator

Class Map1Iterator<From,To>

java.lang.Object

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

org.apache.jena.util.iterator.Map1Iterator<From,To>

All Implemented Interfaces:

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

public class Map1Iterator<From,To>
extends NiceIterator<To>

An iterator that consumes an underlying iterator and maps its results before delivering them; supports remove if the underlying iterator does.

Constructor Summary

Constructors

Constructor	Description
Map1Iterator(Function<From,To> map, Iterator<From> base)	Construct a list of the converted.

Method Summary

Modifier and Type	Method	Description
void	close()	default close: don't need to do anything.
boolean	hasNext()	default hasNext: no elements, return false.
To	next()	default next: throw an exception.
void	remove()	default remove: we have no elements, so we can't remove any.

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

andThen, andThen, asList, asSet, close, 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

Map1Iterator

public Map1Iterator(Function<From,To> map,
 Iterator<From> base)

Construct a list of the converted.

Parameters:

map - The conversion to apply.

base - the iterator of elements to convert

Method Details

next

public To next()

Description copied from class: NiceIterator

default next: throw an exception.

Specified by:

next in interface Iterator<From>

Overrides:

next in class NiceIterator<To>

hasNext

public boolean hasNext()

Description copied from class: NiceIterator

default hasNext: no elements, return false.

Specified by:

hasNext in interface Iterator<From>

Overrides:

hasNext in class NiceIterator<To>

remove

public void remove()

Description copied from class: NiceIterator

default remove: we have no elements, so we can't remove any.

Specified by:

remove in interface Iterator<From>

Overrides:

remove in class NiceIterator<To>

close

public void close()

Description copied from class: NiceIterator

default close: don't need to do anything.

Specified by:

close in interface ClosableIterator<From>

Specified by:

close in interface Closeable

Overrides:

close in class NiceIterator<To>