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yacy_search_server/source/de/anomic/kelondro/kelondroCollectionIntMap.java

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3.1 KiB

// kelondroCollectionIntMap.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;
public class kelondroCollectionIntMap extends kelondroCollection {
private kelondroRow indexrow;
public kelondroCollectionIntMap(int keySize, int initSize) {
super(keySize + 4, initSize);
// initialize row
this.indexrow = new kelondroRow(new int[]{keySize, 4});
// initialize ordering
this.setOrdering(kelondroNaturalOrder.naturalOrder);
}
public synchronized void addi(byte[] key, int i) {
kelondroRow.Entry indexentry = indexrow.newEntry();
indexentry.setCol(0, key);
indexentry.setColLongB256(1, i);
add(indexentry.bytes());
}
public synchronized int puti(byte[] key, int i) {
int index = -1;
synchronized (chunkcache) {
index = find(key, key.length);
}
if (index < 0) {
kelondroRow.Entry indexentry = indexrow.newEntry();
indexentry.setCol(0, key);
indexentry.setColLongB256(1, i);
add(indexentry.bytes());
return -1;
} else {
kelondroRow.Entry indexentry = indexrow.newEntry(get(index));
int oldi = (int) indexentry.getColLongB256(1);
indexentry.setColLongB256(1, i);
set(index, indexentry.bytes());
return oldi;
}
}
public synchronized int geti(byte[] key) {
int index = -1;
synchronized (chunkcache) {
index = find(key, key.length);
if (index < 0) {
return -1;
} else {
kelondroRow.Entry indexentry = indexrow.newEntry(get(index));
return (int) indexentry.getColLongB256(1);
}
}
}
public synchronized int removei(byte[] key) {
byte[] b;
synchronized (chunkcache) {
b = remove(key);
if (b == null) return -1;
kelondroRow.Entry indexentry = indexrow.newEntry(b);
return (int) indexentry.getColLongB256(1);
}
}
public static void main(String[] args) {
}
}