mirror of
https://github.com/yacy/yacy_search_server.git
synced 2024-09-21 00:00:13 +02:00
a5054c038d
- redesign of ordering structures in kelondro (old did not work with strict generics) - 50% IO reduction during read access on kelondroFlex (ommiting of read on index table) git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@4320 6c8d7289-2bf4-0310-a012-ef5d649a1542
51 lines
1.7 KiB
Java
51 lines
1.7 KiB
Java
// 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;
|
|
|
|
import java.util.Comparator;
|
|
|
|
public interface kelondroByteOrder extends kelondroOrder<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 static class StringOrder implements Comparator<String> {
|
|
|
|
public kelondroByteOrder baseOrder;
|
|
public StringOrder(kelondroByteOrder base) {
|
|
this.baseOrder = base;
|
|
}
|
|
|
|
public int compare(String s1, String s2) {
|
|
return baseOrder.compare(s1.getBytes(), s2.getBytes());
|
|
}
|
|
|
|
}
|
|
}
|