// kelondroIntBytesMap.java // (C) 2006 by Michael Peter Christen; mc@anomic.de, Frankfurt a. M., Germany // first published 08.06.2006 on http://www.anomic.de // // $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.Random; public class kelondroIntBytesMap extends kelondroRowBufferedSet { public kelondroIntBytesMap(int payloadSize, int initSize) { super(new kelondroRow(new int[]{4, payloadSize}), initSize); // initialize ordering super.setOrdering(kelondroNaturalOrder.naturalOrder, 0); } public byte[] getb(int ii) { kelondroRow.Entry indexentry = super.get(kelondroNaturalOrder.encodeLong((long) ii, 4)); if (indexentry == null) return null; return indexentry.getColBytes(1); } public byte[] putb(int ii, byte[] value) { kelondroRow.Entry newentry = rowdef.newEntry(); newentry.setCol(0, kelondroNaturalOrder.encodeLong((long) ii, 4)); newentry.setCol(1, value); kelondroRow.Entry oldentry = super.put(newentry); if (oldentry == null) return null; return oldentry.getColBytes(1); } public void addb(int ii, byte[] value) { kelondroRow.Entry newentry = rowdef.newEntry(); newentry.setCol(0, kelondroNaturalOrder.encodeLong((long) ii, 4)); newentry.setCol(1, value); add(newentry); } public byte[] removeb(int ii) { if (size() == 0) { if (System.currentTimeMillis() - this.lastTimeWrote > 10000) this.trim(); return null; } kelondroRow.Entry indexentry = super.removeMarked(kelondroNaturalOrder.encodeLong((long) ii, 4)); if (indexentry == null) return null; return indexentry.getColBytes(1); } public static void main(String[] args) { long start = System.currentTimeMillis(); kelondroIntBytesMap c = new kelondroIntBytesMap(30, 0); //Random random = new Random(0); int x; for (int i = 0; i < 100000; i++) { //x = random.nextInt(100000); x = i; c.putb(x, new byte[30]); //if (c.getb(x) == null) System.out.println("consistency error at " + i + " with key " + x); if (i % 10000 == 0) System.out.println(i + " entries. "); } System.out.println("RESULT SIZE: " + c.size()); System.out.println("Time: " + ((System.currentTimeMillis() - start) / 1000) + " seconds"); } }