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yacy_search_server/source/net/yacy/ai/greedy/Challenge.java

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// Challenge.java
// (C) 2009 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
// first published 03.12.2009 on http://yacy.net;
//
// This is a part of YaCy, a peer-to-peer based web search engine
//
// $LastChangedDate: 2009-05-28 01:51:34 +0200 (Do, 28 Mai 2009) $
// $LastChangedRevision: 5988 $
// $LastChangedBy: orbiter $
//
// LICENSE
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
package net.yacy.ai.greedy;
import java.util.Comparator;
public class Challenge<
SpecificRole extends Role,
SpecificFinding extends Finding<SpecificRole>,
SpecificModel extends Model<SpecificRole, SpecificFinding>
> implements
Comparator<Challenge<SpecificRole, SpecificFinding, SpecificModel>>,
Comparable<Challenge<SpecificRole, SpecificFinding, SpecificModel>> {
private final Agent<SpecificRole,SpecificFinding,SpecificModel> agent;
private final SpecificFinding finding;
public Challenge() {
this.agent = null;
this.finding = null;
}
public Challenge(Agent<SpecificRole,SpecificFinding,SpecificModel> agent, SpecificFinding finding) {
assert agent != null;
assert finding != null;
this.agent = agent;
this.finding = finding;
}
public Agent<SpecificRole,SpecificFinding,SpecificModel> getAgent() {
return this.agent;
}
public SpecificFinding getFinding() {
return this.finding;
}
public int hashCode() {
return this.agent.hashCode() + this.finding.hashCode();
}
@SuppressWarnings("unchecked")
public boolean equals(Object other) {
if (!(other instanceof Challenge)) return false;
Challenge<SpecificRole, SpecificFinding, SpecificModel> c = (Challenge<SpecificRole, SpecificFinding, SpecificModel>) other;
if (!this.agent.equals(c.agent)) return false;
if (!this.finding.equals(c.finding)) return false;
return true;
}
public int compare(
Challenge<SpecificRole, SpecificFinding, SpecificModel> c1,
Challenge<SpecificRole, SpecificFinding, SpecificModel> c2) {
// order of poison agents: they are the largest
if (c1.agent == null) return 1;
if (c2.agent == null) return -1;
// compare based on priority of the finding
return c1.finding.compareTo(c2.finding);
}
public int compareTo(Challenge<SpecificRole, SpecificFinding, SpecificModel> o) {
return compare(this, o);
}
}