com.mware.ge.collection

Class FilteringIterator<T>

java.lang.Object

com.mware.ge.collection.PrefetchingIterator<T>

com.mware.ge.collection.FilteringIterator<T>

Type Parameters:

T - the type of items in the iteration.

All Implemented Interfaces:

Iterator<T>

public class FilteringIterator<T>
extends PrefetchingIterator<T>

An iterator which filters another iterator, only letting items with certain criteria pass through. All iteration/filtering is done lazily.

Constructor Summary

Constructors

Constructor and Description
FilteringIterator(Iterator<T> source, Predicate<T> predicate)

Method Summary

Modifier and Type	Method and Description
protected T	fetchNextOrNull()
static <T> Iterator<T>	noDuplicates(Iterator<T> source)
static <T> Iterator<T>	notNull(Iterator<T> source)

Methods inherited from class com.mware.ge.collection.PrefetchingIterator

hasNext, next, peek, 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

Constructor Detail

FilteringIterator

public FilteringIterator(Iterator<T> source,
                         Predicate<T> predicate)

Method Detail

fetchNextOrNull

protected T fetchNextOrNull()

Specified by:

fetchNextOrNull in class PrefetchingIterator<T>

notNull

public static <T> Iterator<T> notNull(Iterator<T> source)

noDuplicates

public static <T> Iterator<T> noDuplicates(Iterator<T> source)