Package de.renebergelt.quiterables.iterators

Class LazyIterator<T>

java.lang.Object

de.renebergelt.quiterables.iterators.LazyIterator<T>

Type Parameters:

T - Type of the elements in this Iterable

All Implemented Interfaces:

Iterator<T>

public abstract class LazyIterator<T>
extends Object
implements Iterator<T>

Base class for the lazy iterators Derived classes only need to implement the findNextElement() function

Author:

René Bergelt

Field Summary

Fields

Modifier and Type	Field	Description
protected boolean	ended	Indicates if this iterator reached the end
protected T	nextElement	The cached next element (if any)

Constructor Summary

Constructors

Constructor	Description
LazyIterator()

Method Summary

Modifier and Type	Method	Description
protected abstract T	findNextElement()	Return the next element which satisfies the predicate Return null to indicate that there will be no more objects
boolean	hasNext()
T	next()
void	remove()

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

Field Details

nextElement

protected T nextElement

The cached next element (if any)

ended

protected boolean ended

Indicates if this iterator reached the end

Constructor Details

LazyIterator

public LazyIterator()

Method Details

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<T>

next

public T next()

Specified by:

next in interface Iterator<T>

findNextElement

protected abstract T findNextElement()

Return the next element which satisfies the predicate Return null to indicate that there will be no more objects

Returns:

The next element or null

remove

public void remove()

Specified by:

remove in interface Iterator<T>