/**
Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016. All rights reserved.
Contact:
SYSTAP, LLC DBA Blazegraph
2501 Calvert ST NW #106
Washington, DC 20008
licenses@blazegraph.com
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* Created on Jun 29, 2012
*/
package com.bigdata.btree;
import cutthecrap.utils.striterators.ICloseableIterator;
/**
* Iterator visits index entries (dereferencing visited tuples to the
* application objects stored within those tuples).
*
* @author <a href="mailto:thompsonbry@users.sourceforge.net">Bryan Thompson</a>
*/
@SuppressWarnings("rawtypes")
public final class EntryScanIterator implements ICloseableIterator {
private final ITupleIterator src;
public EntryScanIterator(final ITupleIterator src) {
if (src == null)
throw new IllegalArgumentException();
this.src = src;
}
@Override
public boolean hasNext() {
return src.hasNext();
}
@Override
public Object next() {
final ITuple t = src.next();
// Resolve to the index entry.
return t.getObject();
}
@Override
public void remove() {
src.remove();
}
@Override
public void close() {
// NOP
}
}