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A Java API for Meta-CSP based reasoning
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 * Copyright (c) 2010-2013 Federico Pecora 
 * 
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package org.metacsp.examples.multi;

import java.util.logging.Logger;

import org.metacsp.framework.ConstraintNetwork;
import org.metacsp.framework.Variable;
import org.metacsp.multi.symbols.SymbolicValueConstraint;
import org.metacsp.multi.symbols.SymbolicValueConstraint.Type;
import org.metacsp.multi.symbols.SymbolicVariable;
import org.metacsp.multi.symbols.SymbolicVariableConstraintSolver;
import org.metacsp.utility.logging.MetaCSPLogging;

import cern.colt.Arrays;

public class TestSymbolicVariableConstraintSolverSimple {
	
	public static void main(String[] args) {
		Logger logger = MetaCSPLogging.getLogger(TestSymbolicVariableConstraintSolverSimple.class);
		
		String[] symbols = new String[] {"A","B","C","D","E","F","G"};
		SymbolicVariableConstraintSolver solver = new SymbolicVariableConstraintSolver(symbols, 100);
		Variable[] vars = solver.createVariables(3);

		ConstraintNetwork.draw(solver.getConstraintNetwork());

		logger.info("Created variables " + Arrays.toString(vars));

		
		((SymbolicVariable)vars[0]).setDomain(new String[] {"B", "D", "F"});

		SymbolicValueConstraint con1 = new SymbolicValueConstraint(Type.EQUALS);
		con1.setFrom(vars[0]);
		con1.setTo(vars[1]);
		logger.info("Added con1? " + solver.addConstraint(con1));
				
		System.out.println("Pausing...");
		try {
			Thread.sleep(5000);
		} catch (InterruptedException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		logger.info("Removing variable " + vars[2]);
		solver.removeVariable(vars[2]);
		logger.info("Done!");

		System.out.println("Pausing...");
		try {
			Thread.sleep(5000);
		} catch (InterruptedException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

		logger.info("Removing constraint " + con1);
		solver.removeConstraint(con1);
		logger.info("Done!");

	}

}