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3b694b3935
to remember facts for http://mantis.tokeek.de/view.php?id=683 Init missing word position to 0 like in other non text body words
89 lines
2.5 KiB
Java
89 lines
2.5 KiB
Java
// Reference.java
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// (C) 2009 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
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// first published 03.04.2009 on http://yacy.net
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//
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// This is a part of YaCy, a peer-to-peer based web search engine
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//
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// $LastChangedDate$
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// $LastChangedRevision$
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// $LastChangedBy$
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//
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// LICENSE
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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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package net.yacy.kelondro.rwi;
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import java.util.Collection;
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import net.yacy.kelondro.index.Row.Entry;
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public interface Reference {
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public String toPropertyForm();
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public Entry toKelondroEntry();
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public byte[] urlhash();
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public long lastModified();
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@Override
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public String toString();
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public boolean isOlder(Reference other);
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@Override
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public int hashCode();
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@Override
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public boolean equals(Object other);
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/**
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* Joins a Reference into this one, setting the values appropriate for ranking
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* @param joined reference
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*/
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public void join(final Reference oe);
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/**
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* Positions or search query words for the referenced result url
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* This is only valid for multi word search queries.
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* The positions contain the first word position for every search query word
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* which has been joined (by join() )
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* @return list with word position
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*/
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public Collection<Integer> positions();
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/**
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* max position of search query words (for multi word queries)
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* @return
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*/
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public int maxposition();
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/**
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* min word position of search query words (for multi word queries)
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* @return
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*/
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public int minposition();
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/**
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* The average distance (in words) between search query terms for multi word searches.
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* The distance is calculated from positions()
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* @return word distance
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*/
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public int distance();
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}
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