org.neo4j.helpers.collection

Class NestingIterator<T,U>

java.lang.Object

org.neo4j.helpers.collection.PrefetchingIterator<T>

org.neo4j.helpers.collection.NestingIterator<T,U>

Type Parameters:

T - the type of items to return

U - the type of items in the surface item iterator

All Implemented Interfaces:

Iterator<T>

public abstract class NestingIterator<T,U>
extends PrefetchingIterator<T>

Concatenates sub-iterators of an iterator. Iterates through each item in an iterator. For each item, the createNestedIterator(Object) is invoked to create a sub-iterator. The resulting iterator iterates over each item in each sub-iterator. In effect flattening the iteration.

Constructor Summary

Constructors

Constructor and Description
NestingIterator(Iterator<U> source)

Method Summary

Modifier and Type	Method and Description
U	getCurrentSurfaceItem()

Methods inherited from class org.neo4j.helpers.collection.PrefetchingIterator

hasNext, next, peek, remove

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Constructor Detail

NestingIterator

public NestingIterator(Iterator<U> source)

Method Detail

getCurrentSurfaceItem

public U getCurrentSurfaceItem()