org.aksw.commons.collections.cache

Class CachingIterator<T>

java.lang.Object

org.aksw.commons.collections.cache.CachingIterator<T>

Type Parameters:

T -

C -

All Implemented Interfaces:

Iterator<T>

public class CachingIterator<T>
extends Object
implements Iterator<T>

In iterator that adds items to a cache as it proceeds. It is valid for other iterators with the same delegate and cache to exist. However, no iterator must be positioned beyond the cache.data's size.

Author:

raven

Field Summary

Fields

Modifier and Type	Field and Description
protected Cache<T>	cache
protected Iterator<T>	delegate
protected int	offset

Constructor Summary

Constructors

Constructor and Description
CachingIterator(Cache<T> cache, Iterator<T> delegate)
CachingIterator(Cache<T> cache, Iterator<T> delegate, int offset)

Method Summary

Modifier and Type	Method and Description
boolean	hasNext() The cache's isComplete flag is only set if a call to hasNext returns false.
T	next()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Field Detail

cache

protected Cache<T> cache

delegate

protected Iterator<T> delegate

offset

protected int offset

Constructor Detail

CachingIterator

public CachingIterator(Cache<T> cache,
                       Iterator<T> delegate)

CachingIterator

public CachingIterator(Cache<T> cache,
                       Iterator<T> delegate,
                       int offset)

Method Detail

hasNext

public boolean hasNext()

The cache's isComplete flag is only set if a call to hasNext returns false.

Specified by:

hasNext in interface Iterator<T>

next

public T next()

Specified by:

next in interface Iterator<T>