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60 lines
2.0 KiB
60 lines
2.0 KiB
// AbstractModel.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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public abstract class AbstractModel<SpecificRole extends Role, SpecificFinding extends Finding<SpecificRole>> implements
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Model<SpecificRole, SpecificFinding>, Cloneable {
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private SpecificRole currentRole;
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public AbstractModel(SpecificRole currentRole) {
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this.currentRole = currentRole;
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}
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public abstract Object clone();
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/**
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* the model contains a status about roles that may act next
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* @return the next role
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*/
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public SpecificRole currentRole() {
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return this.currentRole;
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}
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/**
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* switch to the next role. The current role is migrated to the
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* new role status, or the current rule is replaced with a new role
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*/
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@SuppressWarnings("unchecked")
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public void nextRole() {
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this.currentRole = (SpecificRole) this.currentRole.nextRole();
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}
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public abstract boolean equals(Object other);
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public abstract int hashCode();
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}
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