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83 lines
2.7 KiB
83 lines
2.7 KiB
15 years ago
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// Finding.java
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// (C) 2009 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
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// first published 03.12.2009 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: 2009-05-28 01:51:34 +0200 (Do, 28 Mai 2009) $
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// $LastChangedRevision: 5988 $
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// $LastChangedBy: orbiter $
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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.ai.greedy;
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import java.util.Comparator;
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/**
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* a Finding object defines one single alternative that a given role has
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* within the given current model instance. A set of Finding objects is the
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* set of possibilities that a specific role has in a given situation as
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* defined by the model.
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* Findings can be classified with priorities that may be computed by strategy rules.
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* A Finding priority does not mean a ranking of the finding outcome, but a ranking
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* on the set of possible findings.
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*
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* @param <SpecificRole> a Role
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*/
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public interface Finding<SpecificRole extends Role> extends Comparator<Finding<SpecificRole>>, Comparable<Finding<SpecificRole>>, Cloneable {
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/**
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* clone the model
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* @return a top-level cloned model
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* @throws CloneNotSupportedException
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*/
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public Object clone() throws CloneNotSupportedException;
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/**
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* get the finding priority
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* @return
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*/
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public int getPriority();
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/**
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* set the current priority
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* This may only be used internally as part of the engine process to create a result queue
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*/
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public void setPriority(int newPriority);
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/**
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* get the finding role
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* @return
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*/
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public SpecificRole getRole();
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/**
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* the equals method, necessary to place findings into hashtables
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* @param other
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* @return true if this finding is equal to the other finding
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*/
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public boolean equals(Object other);
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/**
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* the hash code computation, necessary to place findings into hashtables
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* @return a hash code for this object
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*/
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public int hashCode();
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}
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