Package com.puresoltechnologies.streaming.iterators

Class ConvertingStreamIterator<T,F>

java.lang.Object

com.puresoltechnologies.streaming.iterators.AbstractStreamIterator<F>

com.puresoltechnologies.streaming.iterators.ConvertingStreamIterator<T,F>

Type Parameters:

T - is the element type of the base iterator.

F - is the element type of this iterator.

All Implemented Interfaces:

StreamIterator<T>, Iterator<T>

public class ConvertingStreamIterator<T,F>
extends AbstractStreamIterator<F>

This is a special decorator for Iterator to convert the iterator elements into a new type.

Author:

Rick-Rainer Ludwig

Constructor Summary

Constructors

Constructor	Description
ConvertingStreamIterator(Iterator<T> origin, Function<T,F> converter)

Method Summary

Modifier and Type	Method	Description
protected F	findNext()	This method looks for the next entry to be returned.

Methods inherited from class com.puresoltechnologies.streaming.iterators.AbstractStreamIterator

hasNext, next, peek

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.puresoltechnologies.streaming.iterators.StreamIterator

empty, of

Constructor Detail

ConvertingStreamIterator

public ConvertingStreamIterator(Iterator<T> origin,
                                Function<T,F> converter)

Method Detail

findNext

protected F findNext()

Description copied from class: AbstractStreamIterator

This method looks for the next entry to be returned. If no further entry is found, null is returned.

Specified by:

findNext in class AbstractStreamIterator<F>

Returns:

An object of T is returned representing the next entry to be returned by the iterator. null is returned in case no more entries are available.