mirror of
https://github.com/yacy/yacy_search_server.git
synced 2024-09-21 00:00:13 +02:00
eda055e729
- tested + debugged kelondroCollection - inserted the new kelondroCollection Object as indexing class for kelondroFlexTable git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@2183 6c8d7289-2bf4-0310-a012-ef5d649a1542
100 lines
3.9 KiB
Java
100 lines
3.9 KiB
Java
// kelondroFrexTable.java
|
|
// (C) 2006 by Michael Peter Christen; mc@anomic.de, Frankfurt a. M., Germany
|
|
// first published 01.06.2006 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.io.File;
|
|
import java.io.IOException;
|
|
|
|
public class kelondroFlexTable extends kelondroFlexWidthArray implements kelondroIndex {
|
|
|
|
private kelondroCollection index;
|
|
private kelondroRow indexrow;
|
|
|
|
public kelondroFlexTable(File path, String tablename, kelondroRow rowdef, boolean exitOnFail) throws IOException {
|
|
super(path, tablename, rowdef, exitOnFail);
|
|
|
|
// fill the index
|
|
this.index = new kelondroCollection(super.row().width(0) + 4);
|
|
/*
|
|
kelondroFixedWidthArray indexArray = new kelondroFixedWidthArray(new File(path, colfilename(0,0)));
|
|
for (int i = 0; i < indexArray.size(); i++) index.put(indexArray.get(i).getColBytes(0), new Integer(i));
|
|
indexArray.close();
|
|
*/
|
|
this.indexrow = new kelondroRow(new int[]{super.row().width(0), 4});
|
|
kelondroRow.Entry indexentry;
|
|
for (int i = 0; i < super.col[0].size(); i++) {
|
|
indexentry = indexrow.newEntry();
|
|
indexentry.setCol(0, super.col[0].get(i).getColBytes(0));
|
|
indexentry.setColLongB256(1, i);
|
|
index.add(indexentry.bytes());
|
|
}
|
|
this.index.setOrdering(kelondroNaturalOrder.naturalOrder);
|
|
}
|
|
|
|
/*
|
|
private final static byte[] read(File source) throws IOException {
|
|
byte[] buffer = new byte[(int) source.length()];
|
|
InputStream fis = null;
|
|
try {
|
|
fis = new FileInputStream(source);
|
|
int p = 0, c;
|
|
while ((c = fis.read(buffer, p, buffer.length - p)) > 0) p += c;
|
|
} finally {
|
|
if (fis != null) try { fis.close(); } catch (Exception e) {}
|
|
}
|
|
return buffer;
|
|
}
|
|
*/
|
|
|
|
public kelondroRow.Entry get(byte[] key) throws IOException {
|
|
kelondroRow.Entry indexentry = this.indexrow.newEntry(this.index.get(key));
|
|
if (indexentry == null) return null;
|
|
return super.get((int) indexentry.getColLongB256(1));
|
|
}
|
|
|
|
public kelondroRow.Entry put(kelondroRow.Entry row) throws IOException {
|
|
kelondroRow.Entry indexentry = this.indexrow.newEntry(this.index.get(row.getColBytes(0)));
|
|
if (indexentry == null) {
|
|
indexentry = indexrow.newEntry();
|
|
indexentry.setCol(0, row.getColBytes(0));
|
|
indexentry.setColLongB256(1, super.add(row));
|
|
index.add(indexentry.bytes());
|
|
return null;
|
|
} else {
|
|
return super.set((int) indexentry.getColLongB256(1), row);
|
|
}
|
|
}
|
|
|
|
public kelondroRow.Entry remove(byte[] key) throws IOException {
|
|
kelondroRow.Entry indexentry = this.indexrow.newEntry(this.index.get(key));
|
|
if (indexentry == null) return null;
|
|
kelondroRow.Entry r = super.get((int) indexentry.getColLongB256(1));
|
|
super.remove((int) indexentry.getColLongB256(1));
|
|
return r;
|
|
}
|
|
|
|
}
|