org.databene.formats.util

Class CyclicDataIterator<E>

java.lang.Object

org.databene.formats.util.DataIteratorAdapter<E,E>

org.databene.formats.util.DataIteratorProxy<E>

org.databene.formats.util.CyclicDataIterator<E>

Type Parameters:

E - the type of data to iterate

All Implemented Interfaces:

Closeable, AutoCloseable, DataIterator<E>

public class CyclicDataIterator<E>
extends DataIteratorProxy<E>

Allows repeated iteration through a DataIterator. Created: 22.05.2012 08:58:16

Since:

0.6.9

Author:

Volker Bergmann

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	CyclicDataIterator.Creator<E>

Field Summary

Fields

Modifier and Type	Field and Description
protected CyclicDataIterator.Creator<E>	creator

Fields inherited from class org.databene.formats.util.DataIteratorAdapter

source

Constructor Summary

Constructors

Constructor and Description
CyclicDataIterator(CyclicDataIterator.Creator<E> creator)

Method Summary

Modifier and Type	Method and Description
DataContainer<E>	next(DataContainer<E> wrapper) Returns the container with the next data element if available, otherwise null.
void	reset()

Methods inherited from class org.databene.formats.util.DataIteratorProxy

getType

Methods inherited from class org.databene.formats.util.DataIteratorAdapter

close, getSourceContainer, nextOfSource

Methods inherited from class java.lang.Object

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

Field Detail

creator

protected CyclicDataIterator.Creator<E> creator

Constructor Detail

CyclicDataIterator

public CyclicDataIterator(CyclicDataIterator.Creator<E> creator)
                   throws IOException

Throws:

IOException

Method Detail

next

public DataContainer<E> next(DataContainer<E> wrapper)

Description copied from interface: DataIterator

Returns the container with the next data element if available, otherwise null.

Specified by:

next in interface DataIterator<E>

Overrides:

next in class DataIteratorProxy<E>

Parameters:

wrapper - a DataContainer to receive the iterated data

Returns:

a DataContainer that holds the next element, or null if none is available

reset

public void reset()