Class AbstractCloseableIterator<E>

java.lang.Object

org.eclipse.rdf4j.common.iterator.AbstractCloseableIterator<E>

All Implemented Interfaces:

Closeable, AutoCloseable, Iterator<E>

Direct Known Subclasses:

LookAheadIterator

public abstract class AbstractCloseableIterator<E>
extends Object
implements Iterator<E>, Closeable

Author:

MJAHale

Constructor Summary

Constructors

Constructor	Description
AbstractCloseableIterator()

Method Summary

Modifier and Type	Method	Description
final void	close()	Calls handleClose() upon first call and makes sure this method gets called only once.
protected void	handleAlreadyClosed()
protected void	handleClose()	Called by close() when it is called for the first time.
final boolean	isClosed()	Checks whether this Iterator has been closed.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining, hasNext, next, remove

Constructor Details

AbstractCloseableIterator

public AbstractCloseableIterator()

Method Details

isClosed

public final boolean isClosed()

Checks whether this Iterator has been closed.

Returns:

true if the Iterator has been closed, false otherwise.

close

public final void close()
                 throws IOException

Calls handleClose() upon first call and makes sure this method gets called only once.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException

handleClose

protected void handleClose()
                    throws IOException

Called by close() when it is called for the first time. This method is only called once on each iteration. By default, this method does nothing.

Throws:

IOException

handleAlreadyClosed

protected void handleAlreadyClosed()
                            throws IOException

Throws:

IOException