org.neo4j.collection

Class PrefetchingRawIterator<T,EXCEPTION extends Exception>

java.lang.Object

org.neo4j.collection.PrefetchingRawIterator<T,EXCEPTION>

All Implemented Interfaces:

RawIterator<T,EXCEPTION>

public abstract class PrefetchingRawIterator<T,EXCEPTION extends Exception>
extends Object
implements RawIterator<T,EXCEPTION>

Field Summary

Fields inherited from interface org.neo4j.collection.RawIterator

EMPTY

Constructor Summary

Constructors

Constructor and Description
PrefetchingRawIterator()

Method Summary

Modifier and Type	Method and Description
boolean	hasNext()
T	next() Uses hasNext() to try to fetch the next item and returns it if found, otherwise it throws a NoSuchElementException.
T	peek()
void	remove()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.neo4j.collection.RawIterator

empty, from, of

Constructor Detail

PrefetchingRawIterator

public PrefetchingRawIterator()

Method Detail

hasNext

public boolean hasNext()
                throws EXCEPTION extends Exception

Specified by:

hasNext in interface RawIterator<T,EXCEPTION extends Exception>

Returns:

true if there is a next item to be returned from the next call to next().

Throws:

EXCEPTION extends Exception

peek

public T peek()
       throws EXCEPTION extends Exception

Returns:

the next element that will be returned from next() without actually advancing the iterator

Throws:

EXCEPTION extends Exception

next

public T next()
       throws EXCEPTION extends Exception

Uses hasNext() to try to fetch the next item and returns it if found, otherwise it throws a NoSuchElementException.

Specified by:

next in interface RawIterator<T,EXCEPTION extends Exception>

Returns:

the next item in the iteration, or throws NoSuchElementException if there's no more items to return.

Throws:

EXCEPTION extends Exception

remove

public void remove()

Specified by:

remove in interface RawIterator<T,EXCEPTION extends Exception>