/*
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 Mar 6, 2008
*/
package com.bigdata.btree.raba;
import com.bigdata.btree.proc.IKeyArrayIndexProcedure;
/**
* Flyweight implementation for wrapping a <code>byte[][]</code> with fromIndex
* and toIndex.
*
* @see MutableValueBuffer
*
* @author <a href="mailto:thompsonbry@users.sourceforge.net">Bryan Thompson</a>
* @version $Id$
*/
public class MutableValuesRaba extends AbstractRaba implements IRaba {
/**
* No - This view is mutable.
*/
public boolean isReadOnly() {
return false;
}
/**
* No.
*/
final public boolean isKeys() {
return false;
}
/**
* Create a view of a byte[][]. All elements in the array are visible in the
* view.
*
* @param a
* The backing byte[][].
*/
public MutableValuesRaba(final byte[][] a) {
this(0/* fromIndex */, a.length/* toIndex */, a.length/* capacity */, a);
}
/**
* Create a view of a <code>byte[][]</code> slice. The slice will include
* only those elements between the fromIndex and the toIndex. The capacity
* will be the #of elements. {@link #isFull()} will report <code>true</code>
* .
*
* @param fromIndex
* The index of the first visible in the view (inclusive lower
* bound).
* @param toIndex
* The index of the first element beyond the view (exclusive
* upper bound). If toIndex == fromIndex then the view is empty.
* @param a
* The backing byte[][].
*/
public MutableValuesRaba(final int fromIndex, final int toIndex,
final byte[][] a) {
this(fromIndex, toIndex, a.length - fromIndex, a);
}
/**
* Create a view from a slice of a byte[][].
*
* @param fromIndex
* The index of the first element in the byte[][] which is
* visible in the view (inclusive lower bound).
* @param toIndex
* The index of the first element in the byte[][] beyond the view
* (exclusive upper bound).
* @param capacity
* The #of elements which may be used in the view.
* @param a
* The backing byte[][].
*/
public MutableValuesRaba(final int fromIndex, final int toIndex,
final int capacity, final byte[][] a) {
super(fromIndex, toIndex, capacity, a);
}
public MutableValuesRaba resize(final int n) {
return (MutableValuesRaba) super.resize(n);
}
}