/*******************************************************************************
* SAT4J: a SATisfiability library for Java Copyright (C) 2004-2008 Daniel Le Berre
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU Lesser General Public License Version 2.1 or later (the
* "LGPL"), in which case the provisions of the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of the LGPL, and not to allow others to use your version of
* this file under the terms of the EPL, indicate your decision by deleting
* the provisions above and replace them with the notice and other provisions
* required by the LGPL. If you do not delete the provisions above, a recipient
* may use your version of this file under the terms of the EPL or the LGPL.
*
* Based on the original MiniSat specification from:
*
* An extensible SAT solver. Niklas Een and Niklas Sorensson. Proceedings of the
* Sixth International Conference on Theory and Applications of Satisfiability
* Testing, LNCS 2919, pp 502-518, 2003.
*
* See www.minisat.se for the original solver in C++.
*
*******************************************************************************/
package org.sat4j;
import org.sat4j.core.ASolverFactory;
import org.sat4j.minisat.SolverFactory;
import org.sat4j.reader.InstanceReader;
import org.sat4j.reader.Reader;
import org.sat4j.specs.ISolver;
/**
* Very simple launcher, to be used during the SAT competition or the SAT race
* for instance.
*
* @author daniel
*
*/
public class BasicLauncher<T extends ISolver> extends AbstractLauncher {
/**
*
*/
private static final long serialVersionUID = 1L;
private final ASolverFactory<T> factory;
public BasicLauncher(ASolverFactory<T> factory) {
this.factory = factory;
}
/**
* Lance le prouveur sur un fichier Dimacs.
*
* @param args
* doit contenir le nom d'un fichier Dimacs, eventuellement compress?.
*/
public static void main(final String[] args) {
BasicLauncher<ISolver> lanceur = new BasicLauncher<ISolver>(
SolverFactory.instance());
if (args.length!=1) {
lanceur.usage();
return;
}
lanceur.run(args);
System.exit(lanceur.getExitCode().value());
}
@Override
protected ISolver configureSolver(String[] args) {
ISolver asolver = factory.defaultSolver();
asolver.setTimeout(Integer.MAX_VALUE);
asolver.setDBSimplificationAllowed(true);
log(asolver.toString(COMMENT_PREFIX)); //$NON-NLS-1$
return asolver;
}
@Override
protected Reader createReader(ISolver theSolver, String problemname) {
return new InstanceReader(theSolver);
}
@Override
public void usage() {
log("java -jar org.sat4j.core.jar <cnffile>");
}
@Override
protected String getInstanceName(String[] args) {
assert args.length == 1;
return args[0];
}
}