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89 lines
2.7 KiB
89 lines
2.7 KiB
// AbstractFinding.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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public abstract class AbstractFinding<SpecificRole extends Role> implements Finding<SpecificRole>, Comparator<Finding<SpecificRole>>, Comparable<Finding<SpecificRole>>, Cloneable {
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private final SpecificRole role;
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private int priority;
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/**
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* create a new finding for a given role
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* the priority is fixed in the beginning because is results from a premise
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* that invoked a special finding computation set
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* @param role
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* @param priority
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*/
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public AbstractFinding(SpecificRole role, int priority) {
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this.role = role;
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this.priority = priority;
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}
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public abstract Object clone();
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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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return this.priority;
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}
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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(final int newPriority) {
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this.priority = newPriority;
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}
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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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return this.role;
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}
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public int compare(final Finding<SpecificRole> f1, final Finding<SpecificRole> f2) {
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final int p1 = f1.getPriority();
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final int p2 = f2.getPriority();
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if (p1 < p2) return 1;
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if (p1 > p2) return -1;
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return 0;
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}
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public int compareTo(final Finding<SpecificRole> o) {
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return compare(this, o);
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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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