Scippy

SCIP

Solving Constraint Integer Programs

EventhdlrNewSol.h
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1/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
2/* */
3/* This file is part of the program and library */
4/* SCIP --- Solving Constraint Integer Programs */
5/* */
6/* Copyright (c) 2002-2024 Zuse Institute Berlin (ZIB) */
7/* */
8/* Licensed under the Apache License, Version 2.0 (the "License"); */
9/* you may not use this file except in compliance with the License. */
10/* You may obtain a copy of the License at */
11/* */
12/* http://www.apache.org/licenses/LICENSE-2.0 */
13/* */
14/* Unless required by applicable law or agreed to in writing, software */
15/* distributed under the License is distributed on an "AS IS" BASIS, */
16/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. */
17/* See the License for the specific language governing permissions and */
18/* limitations under the License. */
19/* */
20/* You should have received a copy of the Apache-2.0 license */
21/* along with SCIP; see the file LICENSE. If not visit scipopt.org. */
22/* */
23/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
24
25/**@file EventhdlrNewSol.h
26 * @brief event handler for new solutions in TSP
27 * @author Timo Berthold
28 */
29
30/*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
31
32#ifndef __EVENTHDLRNEWSOL_H__
33#define __EVENTHDLRNEWSOL_H__
34
35#include "objscip/objscip.h"
36
37namespace tsp
38{
39
40/** C++ wrapper object for event handlers */
42{
43public:
44 /** default constructor */
46 SCIP* scip
47 )
48 : ObjEventhdlr(scip, "newsol","event handler for new solutions in TSP")
49 {
50 }
51
52 /** destructor */
54 {
55 }
56
57 /** destructor of event handler to free user data (called when SCIP is exiting) */
58 virtual SCIP_DECL_EVENTFREE(scip_free);
59
60 /** initialization method of event handler (called after problem was transformed) */
61 virtual SCIP_DECL_EVENTINIT(scip_init);
62
63 /** deinitialization method of event handler (called before transformed problem is freed) */
64 virtual SCIP_DECL_EVENTEXIT(scip_exit);
65
66 /** solving process initialization method of event handler (called when branch and bound process is about to begin)
67 *
68 * This method is called when the presolving was finished and the branch and bound process is about to begin.
69 * The event handler may use this call to initialize its branch and bound specific data.
70 *
71 */
72 virtual SCIP_DECL_EVENTINITSOL(scip_initsol);
73
74 /** solving process deinitialization method of event handler (called before branch and bound process data is freed)
75 *
76 * This method is called before the branch and bound process is freed.
77 * The event handler should use this call to clean up its branch and bound data.
78 */
79 virtual SCIP_DECL_EVENTEXITSOL(scip_exitsol);
80
81 /** frees specific constraint data */
82 virtual SCIP_DECL_EVENTDELETE(scip_delete);
83
84 /** execution method of event handler
85 *
86 * Processes the event. The method is called every time an event occurs, for which the event handler
87 * is responsible. Event handlers may declare themselves resposible for events by calling the
88 * corresponding SCIPcatch...() method. This method creates an event filter object to point to the
89 * given event handler and event data.
90 */
91 virtual SCIP_DECL_EVENTEXEC(scip_exec);
92}; /*lint !e1712*/
93
94} /* namespace tsp */
95
96#endif
C++ wrapper for event handlers.
Definition: objeventhdlr.h:53
ObjEventhdlr(SCIP *scip, const char *name, const char *desc)
Definition: objeventhdlr.h:67
EventhdlrNewSol(SCIP *scip)
virtual SCIP_DECL_EVENTEXIT(scip_exit)
virtual SCIP_DECL_EVENTFREE(scip_free)
virtual SCIP_DECL_EVENTINIT(scip_init)
virtual SCIP_DECL_EVENTINITSOL(scip_initsol)
virtual SCIP_DECL_EVENTDELETE(scip_delete)
virtual SCIP_DECL_EVENTEXITSOL(scip_exitsol)
virtual SCIP_DECL_EVENTEXEC(scip_exec)
C++ wrapper classes for SCIP.