/*
* CCVisu is a tool for visual graph clustering
* and general force-directed graph layout.
* This file is part of CCVisu.
*
* Copyright (C) 2005-2012 Dirk Beyer
*
* CCVisu is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* CCVisu 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with CCVisu; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Please find the GNU Lesser General Public License in file
* license_lgpl.txt or http://www.gnu.org/licenses/lgpl.txt
*
* Dirk Beyer (firstname.lastname@uni-passau.de)
* University of Passau, Bavaria, Germany
*/
package org.sosy_lab.ccvisu.layout;
import org.sosy_lab.ccvisu.Options;
import org.sosy_lab.util.ProgressingBase;
import org.sosy_lab.util.interfaces.Progressing;
/**
* Minimizer for a given energy model, which is set by the constructor
* of the concrete minimizer implementation.
*/
public abstract class Minimizer extends ProgressingBase implements Progressing, Runnable {
/** Options for the minimizer. */
protected final Options options;
/**
* @param pWorkerManager
*/
public Minimizer(Options options) {
this.options = options;
}
/**
* Minimizes iteratively the energy using the Barnes-Hut algorithm.
* Starts from the layout given by the positions in <code>pos</code>,
* and stores the computed layout as positions in <code>pos</code>.
*/
public abstract void minimizeEnergy() throws InterruptedException;
@Override
public void run() {
try {
minimizeEnergy();
} catch (InterruptedException e) {
setProgress(0, 0, "Minimizer finished.");
}
}
}