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92 lines
2.6 KiB
92 lines
2.6 KiB
/**
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* AbstractFinding
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* Copyright 2009 by Michael Peter Christen, Frankfurt a. M., Germany
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* First published 03.12.2009 at http://yacy.net
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program in the file lgpl21.txt
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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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 can be fixed in the beginning
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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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/**
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* create a new finding for a given role
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* the priority should be assigned afterward
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* @param role
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*/
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public AbstractFinding(SpecificRole role) {
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this.role = role;
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this.priority = 0;
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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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