org.codehaus.janino.util.iterator
Class TransformingIterator<T1,T2>

java.lang.Object
  org.codehaus.janino.util.iterator.TransformingIterator<T1,T2>

Type Parameters:

T1 - The element type of the delegate iterator

T2 - The element type of this iterator

All Implemented Interfaces:

java.util.Iterator<T2>

public abstract class TransformingIterator<T1,T2>
extends java.lang.Object
implements java.util.Iterator<T2>

An Iterator that transforms its elements on-the-fly.

Constructor Summary

TransformingIterator(java.util.Iterator<T1> delegate)

Method Summary

boolean	hasNext()
T2	next()
void	remove()
protected abstract T2	transform(T1 o) Derived classes must implement this method such that it does the desired transformation.

Methods inherited from class java.lang.Object

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

Constructor Detail

TransformingIterator

public TransformingIterator(java.util.Iterator<T1> delegate)

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<T2>

next

public final T2 next()

Specified by:

next in interface java.util.Iterator<T2>

remove

public void remove()

Specified by:

remove in interface java.util.Iterator<T2>

transform

protected abstract T2 transform(T1 o)

Derived classes must implement this method such that it does the desired transformation.