Program Listing for File CausalGraph.h

↰ Return to documentation for file (src/VALfiles/misc/CausalGraph.h)

/************************************************************************
 * Copyright 2008, Strathclyde Planning Group,
 * Department of Computer and Information Sciences,
 * University of Strathclyde, Glasgow, UK
 * http://planning.cis.strath.ac.uk/
 *
 * Maria Fox, Richard Howey and Derek Long - VAL
 * Stephen Cresswell - PDDL Parser
 *
 * This file is part of VAL, the PDDL validator.
 *
 * VAL 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.
 *
 * VAL 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 VAL.  If not, see <http://www.gnu.org/licenses/>.
 *
 ************************************************************************/

#ifndef __CGA
#define __CGA

#include <map>
#include <set>

#include "ToFunction.h"

namespace SAS {

class CausalGraph {
public:
    typedef pair<const VAL::pddl_type *,int> Var;
    typedef std::set<Var> Vars;
    typedef std::map<Var,Vars> Graph;

private:
    FunctionStructure fs;

    Graph dependencies;
    Graph dependents;

public:
    CausalGraph();
    const Vars & getDependencies(Var p)
    {
        return dependencies[p];
    };
    const Vars & getDependents(Var p)
    {
        return dependents[p];
    };
    void add(Var,Var);
    void write(std::ostream & o) const;
};

inline std::ostream & operator<<(std::ostream & o,const CausalGraph & cg)
{
    cg.write(o);
    return o;
};

}

#endif