mirror of
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121 lines
4.7 KiB
Java
121 lines
4.7 KiB
Java
// termlist_p
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// ------------
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// (C) 2011 by Michael Peter Christen; mc@yacy.net
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// first published 25.08.2011 on http://yacy.net
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//
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// $LastChangedDate: 2011-01-03 21:52:54 +0100 (Mo, 03 Jan 2011) $
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// $LastChangedRevision: 7420 $
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// $LastChangedBy: orbiter $
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Iterator;
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import net.yacy.cora.document.encoding.ASCII;
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import net.yacy.cora.protocol.RequestHeader;
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import net.yacy.cora.sorting.Rating;
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import net.yacy.cora.util.ConcurrentLog;
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import net.yacy.kelondro.data.word.WordReference;
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import net.yacy.kelondro.rwi.IndexCell;
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import net.yacy.search.Switchboard;
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import net.yacy.search.index.Segment;
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import net.yacy.server.serverObjects;
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import net.yacy.server.serverSwitch;
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public class termlist_p {
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private final static ConcurrentLog log = new ConcurrentLog("TERMLIST");
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public static serverObjects respond(@SuppressWarnings("unused") final RequestHeader header, final serverObjects post, final serverSwitch env) {
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final serverObjects prop = new serverObjects();
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final Switchboard sb = (Switchboard) env;
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Segment segment = sb.index;
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final boolean delete = post != null && post.containsKey("delete");
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final long mincount = post == null ? 10000 : post.getLong("mincount", 10000);
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Rating<byte[]> e;
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int c = 0, termnumber = 0;
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byte[] termhash, maxterm = null;
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long count, mem, maxcount = 0, totalmemory = 0;
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String hstring;
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final ArrayList<byte[]> deleteterms = new ArrayList<byte[]>();
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long over1000 = 0, over10000 = 0, over100000 = 0, over1000000 = 0, over10000000 = 0, over100000000 = 0;
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final IndexCell<WordReference> termIndex = segment.termIndex();
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int rowsize = 0;
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if(termIndex != null) {
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rowsize = termIndex.referenceRow().objectsize;
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final Iterator<Rating<byte[]>> i = termIndex.referenceCountIterator(null, false, false);
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while (i.hasNext()) {
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e = i.next();
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termnumber++;
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count = e.getScore();
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if (count >= 1000) over1000++;
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if (count >= 10000) over10000++;
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if (count >= 100000) over100000++;
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if (count >= 1000000) over1000000++;
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if (count >= 10000000) over10000000++;
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if (count >= 100000000) over100000000++;
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if (count > maxcount) {
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maxcount = count;
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maxterm = e.getObject();
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}
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if (count < mincount) continue;
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termhash = e.getObject();
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if (delete) deleteterms.add(termhash);
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hstring = ASCII.String(termhash);
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mem = 20 + count * rowsize;
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prop.put("terms_" + c + "_termhash", hstring);
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prop.put("terms_" + c + "_count", count);
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prop.put("terms_" + c + "_memory", mem);
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c++;
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totalmemory += mem;
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}
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if (delete) {
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for (final byte[] t: deleteterms) {
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try {
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termIndex.delete(t);
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} catch (final IOException e1) {
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log.warn("Error deleting " + ASCII.String(t), e1);
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}
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}
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}
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}
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prop.put("terms", c);
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prop.put("maxterm", maxterm == null ? "" : ASCII.String(maxterm));
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prop.put("maxcount", maxcount);
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prop.put("maxcountmemory", 20 + maxcount * rowsize);
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prop.put("termnumber", termnumber);
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prop.put("totalmemory", totalmemory);
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prop.put("over1000", over1000);
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prop.put("over10000", over10000);
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prop.put("over100000", over100000);
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prop.put("over1000000", over1000000);
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prop.put("over10000000", over10000000);
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prop.put("over100000000", over100000000);
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log.warn("finished termlist_p -> terms: " + c);
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log.warn("maxterm: "+ (maxterm == null ? "" : ASCII.String(maxterm)));
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log.warn("maxcount: " + maxcount);
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log.warn("termnumber: " + termnumber);
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log.warn("totalmemory: " + totalmemory);
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// return rewrite properties
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return prop;
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}
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}
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