org.neo4j.helpers.collection
Class FilteringIterable<T>

java.lang.Object
  org.neo4j.helpers.collection.FilteringIterable<T>

Type Parameters:

T - the type of items in the iteration.

All Implemented Interfaces:

java.lang.Iterable<T>

public class FilteringIterable<T>
extends java.lang.Object
implements java.lang.Iterable<T>

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

Constructor Summary

FilteringIterable(java.lang.Iterable<T> source, Predicate<T> predicate)

Method Summary

java.util.Iterator<T>	iterator()
static <T> java.lang.Iterable<T>	noDuplicates(java.lang.Iterable<T> source)
static <T> Predicate<T>	noDuplicatesPredicate()
static <T> java.lang.Iterable<T>	notNull(java.lang.Iterable<T> source)
static <T> Predicate<T>	notNullPredicate()

Methods inherited from class java.lang.Object

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

Constructor Detail

FilteringIterable

public FilteringIterable(java.lang.Iterable<T> source,
                         Predicate<T> predicate)

Method Detail

iterator

public java.util.Iterator<T> iterator()

Specified by:

iterator in interface java.lang.Iterable<T>

notNull

public static <T> java.lang.Iterable<T> notNull(java.lang.Iterable<T> source)

noDuplicates

public static <T> java.lang.Iterable<T> noDuplicates(java.lang.Iterable<T> source)

noDuplicatesPredicate

public static <T> Predicate<T> noDuplicatesPredicate()

notNullPredicate

public static <T> Predicate<T> notNullPredicate()