org.rdfhdt.hdt.iterator.utils

Class PrefetchIterator<T>

java.lang.Object

org.rdfhdt.hdt.iterator.utils.PrefetchIterator<T>

All Implemented Interfaces:

Iterator<T>

Direct Known Subclasses:

DedupIterator, SeveralIterator

public abstract class PrefetchIterator<T>
extends Object
implements Iterator<T>

Field Summary

Fields

Modifier and Type	Field and Description
protected T	next

Constructor Summary

Constructors

Constructor and Description
PrefetchIterator()

Method Summary

Modifier and Type	Method and Description
boolean	hasNext()
T	next()
protected abstract T	prefetch() Reimplement this method to return an element on each call.
void	remove()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Field Detail

next

protected T next

Constructor Detail

PrefetchIterator

public PrefetchIterator()

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<T>

next

public T next()

Specified by:

next in interface Iterator<T>

prefetch

protected abstract T prefetch()

Reimplement this method to return an element on each call. Return null, or throw a NoSuchElementException Exception when no more elements available.

Returns:

The element, or null when finished.

remove

public void remove()

Specified by:

remove in interface Iterator<T>