no.digipost.collection

Class SimpleIterator<T>

java.lang.Object

no.digipost.collection.SimpleIterator<T>

Type Parameters:

T - The type of elements yielded by this iterator.

All Implemented Interfaces:

Iterator<T>

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

SimpleIterator offers an easier way to implement the Iterator interface, by requiring only one method, nextIfAvailable(), to be implemented instead of both hasNext() and next(). In addition, implementations are free to throw any exception, which, if is a checked exception, will be rethrown wrapped in a RuntimeException.

See Also:

nextIfAvailable()

Constructor Summary

Constructors

Constructor and Description
SimpleIterator()

Method Summary

Modifier and Type	Method and Description
boolean	hasNext()
T	next()
protected abstract Optional<? extends T>	nextIfAvailable()
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

Constructor Detail

SimpleIterator

public SimpleIterator()

Method Detail

nextIfAvailable

protected abstract Optional<? extends T> nextIfAvailable()
                                                  throws Exception

Returns:

The next element if any, or empty if there are no more elements.

Throws:

Exception

hasNext

public final boolean hasNext()

Specified by:

hasNext in interface Iterator<T>

next

public final T next()

Specified by:

next in interface Iterator<T>

remove

public void remove()

Specified by:

remove in interface Iterator<T>