de.innovationgate.utils

Class PrefetchingIterator<T>

java.lang.Object

de.innovationgate.utils.PrefetchingIterator<T>

All Implemented Interfaces:

java.util.Iterator<T>

Direct Known Subclasses:

WGAbstractResultSetIterator, WGContentNavigator.Iterator, WGHierarchyContentIterator, WGStructEntryIterator, WGStructEntryRetrievalIterator

public abstract class PrefetchingIterator<T>
extends java.lang.Object
implements java.util.Iterator<T>

An iterator that prefetches values and is therefor able to filter them while returning valid results for hasNext()

Constructor Summary

Constructors

Constructor and Description
PrefetchingIterator()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	hasNext()
T	next()
T	previewNextValue() Returns the next value to serve without advancing the iterator.
void	remove()

Methods inherited from class java.lang.Object

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

Constructor Detail

PrefetchingIterator

public PrefetchingIterator()

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<T>

next

public T next()

Specified by:

next in interface java.util.Iterator<T>

remove

public void remove()

Specified by:

remove in interface java.util.Iterator<T>

previewNextValue

public T previewNextValue()

Returns the next value to serve without advancing the iterator. I.e. a subsequent call to next() will (still) serve the value returned here.