Class CloseableIteratorAdapter<T>

java.lang.Object

fr.lirmm.graphik.util.stream.CloseableIteratorAdapter<T>

Type Parameters:

T - type of elements of the iterator

All Implemented Interfaces:

CloseableIterator<T>, CloseableIteratorWithoutException<T>, Closeable, AutoCloseable, Iterator<T>

public class CloseableIteratorAdapter<T>
extends Object
implements CloseableIteratorWithoutException<T>

Adapts standard iterators and streams to the closeable-iterator API.

Author:

Clément Sipieter (INRIA) <clement@6pi.fr>

Field Summary

Fields

Modifier and Type	Field	Description
protected boolean	isClosed	Indicates whether this adapter has been closed.
protected Iterator<T>	iterator	Wrapped iterator.
protected Stream<T>	stream	Optional stream associated with the wrapped iterator.

Constructor Summary

Constructors

Constructor	Description
CloseableIteratorAdapter(Iterator<T> iterator)	Adapts the specified iterator.
CloseableIteratorAdapter(Stream<T> stream)	Adapts the specified stream.

Method Summary

Modifier and Type	Method	Description
void	close()
boolean	hasNext()	Returns whether another element is available.
T	next()	Returns the next element.

Methods inherited from class Object

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

Methods inherited from interface Iterator

forEachRemaining, remove

Field Details

iterator

protected Iterator<T> iterator

Wrapped iterator.

stream

protected Stream<T> stream

Optional stream associated with the wrapped iterator.

isClosed

protected boolean isClosed

Indicates whether this adapter has been closed.

Constructor Details

CloseableIteratorAdapter

public CloseableIteratorAdapter(Iterator<T> iterator)

Adapts the specified iterator.

Parameters:

iterator - the iterator to adapt

CloseableIteratorAdapter

public CloseableIteratorAdapter(Stream<T> stream)

Adapts the specified stream.

Parameters:

stream - the stream to adapt

Method Details

hasNext

public boolean hasNext()

Description copied from interface: CloseableIterator

Returns whether another element is available.

Specified by:

hasNext in interface CloseableIterator<T>

Specified by:

hasNext in interface CloseableIteratorWithoutException<T>

Specified by:

hasNext in interface Iterator<T>

Returns:

true if another element can be read

next

public T next()

Description copied from interface: CloseableIterator

Returns the next element.

Specified by:

next in interface CloseableIterator<T>

Specified by:

next in interface CloseableIteratorWithoutException<T>

Specified by:

next in interface Iterator<T>

Returns:

the next element

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in interface CloseableIterator<T>