org.apache.jena.util.iterator

Class NullIterator<T>

java.lang.Object

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

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

All Implemented Interfaces:

Iterator<T>, ClosableIterator<T>, ExtendedIterator<T>

public class NullIterator<T>
extends NiceIterator<T>

An empty iterator. The specialised versions of andThen() eliminate left operands that are empty iterators from cascaded sequences.

Constructor Summary

Constructors

Constructor and Description
NullIterator()

Method Summary

Modifier and Type	Method and Description
<X extends T> ExtendedIterator<T>	andThen(Iterator<X> it) make a new iterator, which is us then the other chap.
static <T> NullIterator<T>	instance()

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

andThen, asList, asSet, close, close, emptyIterator, filterDrop, filterKeep, hasNext, mapWith, next, remove, 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

nextOptional

Methods inherited from interface java.util.Iterator

forEachRemaining

Constructor Detail

NullIterator

public NullIterator()

Method Detail

instance

public static <T> NullIterator<T> instance()

andThen

public <X extends T> ExtendedIterator<T> andThen(Iterator<X> it)

Description copied from class: NiceIterator

make a new iterator, which is us then the other chap.

Specified by:

andThen in interface ExtendedIterator<T>

Overrides:

andThen in class NiceIterator<T>