// kelondroByteOrder.java
// -----------------------------
// (C) 2008 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
// first published 10.01.2008 on http://yacy.net
//
// This is a part of YaCy, a peer-to-peer based web search engine
//
// $LastChangedDate: 2006-04-02 22:40:07 +0200 (So, 02 Apr 2006) $
// $LastChangedRevision: 1986 $
// $LastChangedBy: orbiter $
//
// LICENSE
// 
// 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; either version 2 of the License, or
// (at your option) any later version.
//
// 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

package de.anomic.kelondro.order;

import java.util.Comparator;


public interface ByteOrder extends Order<byte[]> {

    public boolean wellformed(byte[] a, int start, int len);
    
    public int compare(byte[] a, int astart, int alen, byte[] b, int bstart, int blen);

    public boolean equal(final byte[] a, final byte[] b);
    
    public boolean equal(final byte[] a, int astart, final byte[] b, int bstart, int length);
   
    public long cardinal(final byte[] a, int off, int len);
        
    public final static class StringOrder implements Comparator<String> {

    	public ByteOrder baseOrder;
    	public StringOrder(final ByteOrder base) {
    		this.baseOrder = base;
    	}
    	
    	public StringOrder(final Order<byte[]> base) {
            this.baseOrder = (ByteOrder) base;
        }
        
        public final int compare(final String s1, final String s2) {
			return baseOrder.compare(s1.getBytes(), s2.getBytes());
		}
    	
    }
}