Scippy

    SCIP

    Solving Constraint Integer Programs

    EventhdlrNewSol.h
    Go to the documentation of this file.
    1/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
    2/* */
    3/* This file is part of the program and library */
    4/* SCIP --- Solving Constraint Integer Programs */
    5/* */
    6/* Copyright (c) 2002-2025 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 */
    41class EventhdlrNewSol : public scip::ObjEventhdlr /*lint --e{3713}*/
    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.