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dekker.one
1/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2/*
3 * Main authors:
4 * Christian Schulte <schulte@gecode.org>
5 *
6 * Copyright:
7 * Christian Schulte, 2009
8 *
9 * This file is part of Gecode, the generic constraint
10 * development environment:
11 * http://www.gecode.org
12 *
13 * Permission is hereby granted, free of charge, to any person obtaining
14 * a copy of this software and associated documentation files (the
15 * "Software"), to deal in the Software without restriction, including
16 * without limitation the rights to use, copy, modify, merge, publish,
17 * distribute, sublicense, and/or sell copies of the Software, and to
18 * permit persons to whom the Software is furnished to do so, subject to
19 * the following conditions:
20 *
21 * The above copyright notice and this permission notice shall be
22 * included in all copies or substantial portions of the Software.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
28 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
29 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
30 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31 *
32 */
33
34#ifndef GECODE_INT_EXEC_HH
35#define GECODE_INT_EXEC_HH
36
37#include <gecode/int.hh>
38
39/**
40 * \namespace Gecode::Int::Exec
41 * \brief Synchronized execution
42 */
43
44namespace Gecode { namespace Int { namespace Exec {
45
46 /**
47 * \brief Conditional propagator
48 *
49 * Requires \code #include <gecode/int/exec.hh> \endcode
50 * \ingroup FuncIntProp
51 */
52 class When : public UnaryPropagator<BoolView,PC_BOOL_VAL> {
53 protected:
54 using UnaryPropagator<BoolView,PC_BOOL_VAL>::x0;
55 /// Then function
56 SharedData<std::function<void(Space& home)>> t;
57 /// Else function pointer
58 SharedData<std::function<void(Space& home)>> e;
59 /// Constructor for cloning \a p
60 When(Space& home, When& p);
61 /// Constructor for creation
62 When(Home home, BoolView x,
63 std::function<void(Space& home)> t,
64 std::function<void(Space& home)> e);
65 public:
66 /// Copy propagator during cloning
67 GECODE_INT_EXPORT
68 virtual Actor* copy(Space& home);
69 /// Perform propagation
70 GECODE_INT_EXPORT
71 virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
72 /// Post propagator
73 static ExecStatus post(Home home, BoolView x,
74 std::function<void(Space& home)> t,
75 std::function<void(Space& home)> e);
76 /// Dispose propagator
77 GECODE_INT_EXPORT
78 virtual size_t dispose(Space& home);
79 };
80
81}}}
82
83#include <gecode/int/exec/when.hpp>
84
85#endif
86
87// STATISTICS: int-prop
88