javatools.datatypes

Class FilteredIterator<T>

java.lang.Object

javatools.datatypes.PeekIterator<T>

javatools.datatypes.FilteredIterator<T>

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, java.lang.Iterable<T>, java.util.Iterator<T>

Direct Known Subclasses:

FilteredIterator.IgnoreErrors

public class FilteredIterator<T>
extends PeekIterator<T>

This class is part of the Java Tools (see http://mpii.de/yago-naga/javatools). It is licensed under the Creative Commons Attribution License (see http://creativecommons.org/licenses/by/3.0) by the YAGO-NAGA team (see http://mpii.de/yago-naga). The class wraps an iterator and returns only those elements that fulfill a condition

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	FilteredIterator.If<T>
static class	FilteredIterator.IgnoreErrors<T> Wraps an iterator and skips elements that produce an exception

Nested classes/interfaces inherited from class javatools.datatypes.PeekIterator

PeekIterator.ElementaryPeekIterator<T>, PeekIterator.SimplePeekIterator<T>

Field Summary

Fields

Modifier and Type	Field and Description
protected FilteredIterator.If<T>	condition
protected java.util.Iterator<T>	iterator

Fields inherited from class javatools.datatypes.PeekIterator

closed, EMPTY, initialized, next

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	FilteredIterator(java.util.Iterator<T> i)
	FilteredIterator(java.util.Iterator<T> i, FilteredIterator.If<T> condition)

Method Summary

Modifier and Type	Method and Description
T	internalNext() Returns the next or NULL if no next element is available
void	remove() Removes the current element, if supported by the underlying iterator

Methods inherited from class javatools.datatypes.PeekIterator

asList, asList, asSet, asSet, asSet, close, emptyIterator, hasNext, internalSilentNext, iterator, list, list, main, next, nextOrNull, numElements, numElements, peek, toString, toString, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Detail

iterator

protected java.util.Iterator<T> iterator

condition

protected FilteredIterator.If<T> condition

Constructor Detail

FilteredIterator

public FilteredIterator(java.util.Iterator<T> i,
                        FilteredIterator.If<T> condition)

FilteredIterator

protected FilteredIterator(java.util.Iterator<T> i)

Method Detail

internalNext

public T internalNext()

Description copied from class: PeekIterator

Returns the next or NULL if no next element is available

Specified by:

internalNext in class PeekIterator<T>

remove

public void remove()

Description copied from class: PeekIterator

Removes the current element, if supported by the underlying iterator

Specified by:

remove in interface java.util.Iterator<T>

Overrides:

remove in class PeekIterator<T>