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These classes can be used to produce an abstract worker process that can be used for common problems in artificial intelligence, such as game playing and problem solving. These classes will be used as abstraction layer for a new search process in YaCy. These classes had been created while searching for an abstraction of the current search process. It turned out that the abstraction of the YaCy search process is also an abstraction for problems in artificial intelligence and therefore the classes had been designed in such a way that it covers not only the YaCy-specific problem but also the more generic problems in ai. To test the classes they had been used in a ConnectFour implementation (game playing). git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6545 6c8d7289-2bf4-0310-a012-ef5d649a1542
59 lines
2.0 KiB
Java
Executable File
59 lines
2.0 KiB
Java
Executable File
// Role.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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/**
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* a Role object is usually an enumeration object that is produced
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* in a enumeration that implements the Role interface.
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* All role object instances must define that one specific other Role
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* follows the current role. If there are undefined role or multiple role
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* situations, these may be declared with special role instance constants
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*/
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public interface Role {
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/**
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* define which other role shall follow to the current role
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* this returns a cloned role
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* @return the next role
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*/
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public Role nextRole();
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/**
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* necessary equals method for usage of Role in hash tables
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* @param obj
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* @return true if the current role and the given role are equal
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*/
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public boolean equals(Object obj);
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/**
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* necessary hashCode method for usage of Role in hash tables
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* @return a hash code of the role
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*/
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public int hashCode();
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}
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