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:

Iterable<T>

public class FilteringIterable<T>
extends Object
implements Iterable<T>

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

Constructor Summary

Constructors

Constructor and Description
FilteringIterable(Iterable<T> source, Predicate<T> predicate) Deprecated. use FilteringIterable(Iterable, Predicate) instead
FilteringIterable(Iterable<T> source, org.neo4j.function.Predicate<T> predicate)

Method Summary

Methods

Modifier and Type	Method and Description
Iterator<T>	iterator()
static <T> Iterable<T>	noDuplicates(Iterable<T> source)
static <T> Predicate<T>	noDuplicatesPredicate() Deprecated. use Predicates.noDuplicates() instead
static <T> Iterable<T>	notNull(Iterable<T> source)
static <T> Predicate<T>	notNullPredicate() Deprecated. use Predicates.notNull() instead

Methods inherited from class java.lang.Object

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

Constructor Detail

FilteringIterable

@Deprecated
public FilteringIterable(Iterable<T> source,
                            Predicate<T> predicate)

Deprecated. use FilteringIterable(Iterable, Predicate) instead

Parameters:

source - iterable to fetch items from

predicate - filter to decide which items to pass through

FilteringIterable

public FilteringIterable(Iterable<T> source,
                 org.neo4j.function.Predicate<T> predicate)

Method Detail

iterator

public Iterator<T> iterator()

Specified by:

iterator in interface Iterable<T>

notNull

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

noDuplicates

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

noDuplicatesPredicate

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

Deprecated. use Predicates.noDuplicates() instead

Type Parameters:

T - the type of the elements

Returns:

a filter which skips duplicates

notNullPredicate

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

Deprecated. use Predicates.notNull() instead

Type Parameters:

T - the type of the elements

Returns:

a filter which skips nulls