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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Jip J. Dekker <jip.dekker@monash.edu>
*
* Copyright:
* Jip J. Dekker, 2023
*
* This file is part of Gecode, the generic constraint
* development environment:
* http://www.gecode.org
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifndef FLATZINC_COMPLETE_HH
#define FLATZINC_COMPLETE_HH
#include <gecode/flatzinc.hh>
#include <gecode/int.hh>
using namespace Gecode::Int;
namespace Gecode { namespace FlatZinc {
class Complete : public UnaryPropagator<BoolView, PC_BOOL_VAL> {
protected:
using UnaryPropagator<BoolView,PC_BOOL_VAL>::x0;
/// Constructor for cloning \a p
Complete(Space& home, Complete& p) : UnaryPropagator<BoolView, PC_BOOL_VAL>(home,p) {}
/// Constructor for posting
Complete(FlatZincSpace& home, BoolView x0) : UnaryPropagator<BoolView, PC_BOOL_VAL>(home, x0) {}
public:
/// Copy propagator during cloning
virtual Actor* copy(Space& home){ return new (home) Complete(home,*this); }
/// Cost function
virtual PropCost cost(const Space& /* home */, const ModEventDelta& /* med */) const { return PropCost::record(); }
/// Perform propagation
virtual ExecStatus propagate(Space& home, const ModEventDelta& /* med */) {
assert(x0.assigned());
if (x0.val()) {
static_cast<FlatZincSpace&>(home).restart_data().mark_complete = true;
}
return home.ES_SUBSUMED(*this);
}
static ExecStatus post(FlatZincSpace& home, BoolView x0) {
if (x0.assigned()) {
home.restart_data().mark_complete = x0.val();
} else {
(void) new (home) Complete(home, x0);
}
return ES_OK;
}
};
}}
#endif // FLATZINC_COMPLETE_HH
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