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git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@976 6c8d7289-2bf4-0310-a012-ef5d649a1542
103 lines
4.3 KiB
Java
103 lines
4.3 KiB
Java
// plasmaSearchPreOder.java
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// -----------------------
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// part of YACY
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// (C) by Michael Peter Christen; mc@anomic.de
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// first published on http://www.anomic.de
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// Frankfurt, Germany, 2005
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// Created: 23.10.2005
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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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//
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// Using this software in any meaning (reading, learning, copying, compiling,
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// running) means that you agree that the Author(s) is (are) not responsible
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// for cost, loss of data or any harm that may be caused directly or indirectly
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// by usage of this softare or this documentation. The usage of this software
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// is on your own risk. The installation and usage (starting/running) of this
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// software may allow other people or application to access your computer and
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// any attached devices and is highly dependent on the configuration of the
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// software which must be done by the user of the software; the author(s) is
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// (are) also not responsible for proper configuration and usage of the
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// software, even if provoked by documentation provided together with
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// the software.
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//
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// Any changes to this file according to the GPL as documented in the file
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// gpl.txt aside this file in the shipment you received can be done to the
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// lines that follows this copyright notice here, but changes must not be
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// done inside the copyright notive above. A re-distribution must contain
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// the intact and unchanged copyright notice.
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// Contributions and changes to the program code must be marked as such.
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package de.anomic.plasma;
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import java.util.TreeMap;
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import java.util.Set;
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import java.util.HashSet;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.net.URL;
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import de.anomic.kelondro.kelondroMScoreCluster;
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import de.anomic.server.serverCodings;
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public final class plasmaSearchPreOrder {
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private TreeMap pageAcc; // key = order hash; value = plasmaLURL.entry
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private plasmaSearchQuery query;
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public plasmaSearchPreOrder(plasmaSearchQuery query) {
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this.pageAcc = new TreeMap();
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this.query = query;
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}
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public plasmaSearchPreOrder cloneSmart() {
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// clones only the top structure
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plasmaSearchPreOrder theClone = new plasmaSearchPreOrder(query);
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theClone.pageAcc = (TreeMap) this.pageAcc.clone();
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return theClone;
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}
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public boolean hasNext() {
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return pageAcc.size() > 0;
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}
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public plasmaWordIndexEntry next() {
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Object top = pageAcc.lastKey();
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return (plasmaWordIndexEntry) pageAcc.remove(top);
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}
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public void addEntity(plasmaWordIndexEntity entity, long maxTime) {
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Iterator i = entity.elements(true);
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long limitTime = (maxTime < 0) ? Long.MAX_VALUE : System.currentTimeMillis() + maxTime;
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plasmaWordIndexEntry entry;
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while (i.hasNext()) {
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if (System.currentTimeMillis() > limitTime) break;
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entry = (plasmaWordIndexEntry) i.next();
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addEntry(entry);
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}
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}
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public void addEntry(plasmaWordIndexEntry indexEntry) {
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long ranking = 0;
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if (query.order[0].equals(plasmaSearchQuery.ORDER_QUALITY)) ranking = 4096 * indexEntry.getQuality();
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else if (query.order[0].equals(plasmaSearchQuery.ORDER_DATE)) ranking = 4096 * indexEntry.getVirtualAge();
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if (query.order[1].equals(plasmaSearchQuery.ORDER_QUALITY)) ranking += indexEntry.getQuality();
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else if (query.order[1].equals(plasmaSearchQuery.ORDER_DATE)) ranking += indexEntry.getVirtualAge();
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pageAcc.put(serverCodings.encodeHex(ranking, 16) + indexEntry.getUrlHash(), indexEntry);
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}
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} |