net.sf.staccatocommons.iterators.thriter
Class AbstractThriterator<A>

java.lang.Object
  net.sf.staccatocommons.iterators.AbstractUnmodifiableIterator<A>
      net.sf.staccatocommons.iterators.thriter.AbstractThriterator<A>

All Implemented Interfaces:

Iterator<A>, EmptyAware, Thriter<A>, Thriterator<A>

Direct Known Subclasses:

AdvanceThriterator, EmptyThriterator, NextThriterator

public abstract class AbstractThriterator<A>
extends AbstractUnmodifiableIterator<A>
implements Thriterator<A>

Author:

flbulgarelli

Constructor Summary

AbstractThriterator()

Method Summary

Thunk<A>	delayedCurrent() Answers a Thunk that, when evaluated through Thunk.value(), will return the current element of this Thriter at the time of being Thriter.delayedCurrent() sent.
Thunk<A>	delayedNext() Advances this thriter and the returns Thriter.delayedCurrent()
boolean	isEmpty() Answers if this Thriterator is empty

Methods inherited from class net.sf.staccatocommons.iterators.AbstractUnmodifiableIterator

remove

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.sf.staccatocommons.iterators.thriter.Thriter

advanceNext, current, hasNext

Methods inherited from interface java.util.Iterator

hasNext, next, remove

Constructor Detail

AbstractThriterator

public AbstractThriterator()

Method Detail

delayedCurrent

public Thunk<A> delayedCurrent()

Description copied from interface: Thriter

Answers a Thunk that, when evaluated through Thunk.value(), will return the current element of this Thriter at the time of being Thriter.delayedCurrent() sent. This means, that the value of the returned thunk must must always equals, even if this Thriter was advanced later.

Specified by:

delayedCurrent in interface Thriter<A>

Returns:

a Thunk tha provides Thriter.current() at the time of this message being sent.

delayedNext

public final Thunk<A> delayedNext()

Description copied from interface: Thriter

Advances this thriter and the returns Thriter.delayedCurrent()

Specified by:

delayedNext in interface Thriter<A>

Returns:

Thriter.delayedCurrent()

isEmpty

public final boolean isEmpty()

Description copied from interface: Thriterator

Answers if this Thriterator is empty

Specified by:

isEmpty in interface EmptyAware

Specified by:

isEmpty in interface Thriterator<A>

Returns:

!hasNext()