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

Methods

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

Constructor Detail

NestingIterator

public NestingIterator(Iterator<U> source)

Method Detail

getCurrentSurfaceItem

public U getCurrentSurfaceItem()