1    	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
2    	/*                                                                           */
3    	/*                  This file is part of the program and library             */
4    	/*         SCIP --- Solving Constraint Integer Programs                      */
5    	/*                                                                           */
6    	/*  Copyright (c) 2002-2023 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   objdisp.cpp
26   	 * @brief  C++ wrapper for display column
27   	 * @author Kati Wolter
28   	 */
29   	
30   	/*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
31   	
32   	#include <cassert>
33   	
34   	#include "objdisp.h"
35   	
36   	
37   	
38   	
39   	/*
40   	 * Data structures
41   	 */
42   	
43   	/** display column data */
44   	struct SCIP_DispData
45   	{
46   	   scip::ObjDisp*        objdisp;            /**< display column object */
47   	   SCIP_Bool             deleteobject;       /**< should the display column object be deleted when display column is freed? */
48   	};
49   	
50   	
51   	
52   	
53   	/*
54   	 * Callback methods of display column
55   	 */
56   	
57   	extern "C"
58   	{
59   	
60   	/** copy method for display column plugins (called when SCIP copies plugins) */
61   	static
62   	SCIP_DECL_DISPCOPY(dispCopyObj)
63   	{  /*lint --e{715}*/
64   	   SCIP_DISPDATA* dispdata;
65   	   
66   	   assert(scip != NULL);
67   	   
68   	   dispdata = SCIPdispGetData(disp);
69   	   assert(dispdata != NULL);
70   	   assert(dispdata->objdisp != NULL);
71   	   assert(dispdata->objdisp->scip_ != scip);
72   	
73   	   if( dispdata->objdisp->iscloneable() )
74   	   {
75   	      scip::ObjDisp*  newobjdisp;
76   	      newobjdisp = dynamic_cast<scip::ObjDisp*> (dispdata->objdisp->clone(scip));
77   	
78   	      /* call include method of display column object */
79   	      SCIP_CALL( SCIPincludeObjDisp(scip, newobjdisp, TRUE) );
80   	   }
81   	
82   	   return SCIP_OKAY;
83   	}
84   	
85   	/** destructor of display column to free user data (called when SCIP is exiting) */
86   	static
87   	SCIP_DECL_DISPFREE(dispFreeObj)
88   	{  /*lint --e{715}*/
89   	   SCIP_DISPDATA* dispdata;
90   	
91   	   dispdata = SCIPdispGetData(disp);
92   	   assert(dispdata != NULL);
93   	   assert(dispdata->objdisp != NULL);
94   	   assert(dispdata->objdisp->scip_ == scip);
95   	
96   	   /* call virtual method of display column object */
97   	   SCIP_CALL( dispdata->objdisp->scip_free(scip, disp) );
98   	
99   	   /* free display column object */
100  	   if( dispdata->deleteobject )
101  	      delete dispdata->objdisp;
102  	
103  	   /* free display column data */
104  	   delete dispdata;
105  	   SCIPdispSetData(disp, NULL); /*lint !e64*/
106  	   
107  	   return SCIP_OKAY;
108  	}
109  	
110  	
111  	/** initialization method of display column (called after problem was transformed) */
112  	static
113  	SCIP_DECL_DISPINIT(dispInitObj)
114  	{  /*lint --e{715}*/
115  	   SCIP_DISPDATA* dispdata;
116  	
117  	   dispdata = SCIPdispGetData(disp);
118  	   assert(dispdata != NULL);
119  	   assert(dispdata->objdisp != NULL);
120  	   assert(dispdata->objdisp->scip_ == scip);
121  	
122  	   /* call virtual method of display column object */
123  	   SCIP_CALL( dispdata->objdisp->scip_init(scip, disp) );
124  	
125  	   return SCIP_OKAY;
126  	}
127  	
128  	
129  	/** deinitialization method of display column (called before transformed problem is freed) */
130  	static
131  	SCIP_DECL_DISPEXIT(dispExitObj)
132  	{  /*lint --e{715}*/
133  	   SCIP_DISPDATA* dispdata;
134  	
135  	   dispdata = SCIPdispGetData(disp);
136  	   assert(dispdata != NULL);
137  	   assert(dispdata->objdisp != NULL);
138  	
139  	   /* call virtual method of display column object */
140  	   SCIP_CALL( dispdata->objdisp->scip_exit(scip, disp) );
141  	
142  	   return SCIP_OKAY;
143  	}
144  	
145  	
146  	/** solving process initialization method of display column (called when branch and bound process is about to begin) */
147  	static
148  	SCIP_DECL_DISPINITSOL(dispInitsolObj)
149  	{  /*lint --e{715}*/
150  	   SCIP_DISPDATA* dispdata;
151  	
152  	   dispdata = SCIPdispGetData(disp);
153  	   assert(dispdata != NULL);
154  	   assert(dispdata->objdisp != NULL);
155  	
156  	   /* call virtual method of display column object */
157  	   SCIP_CALL( dispdata->objdisp->scip_initsol(scip, disp) );
158  	
159  	   return SCIP_OKAY;
160  	}
161  	
162  	
163  	/** solving process deinitialization method of display column (called before branch and bound process data is freed) */
164  	static
165  	SCIP_DECL_DISPEXITSOL(dispExitsolObj)
166  	{  /*lint --e{715}*/
167  	   SCIP_DISPDATA* dispdata;
168  	
169  	   dispdata = SCIPdispGetData(disp);
170  	   assert(dispdata != NULL);
171  	   assert(dispdata->objdisp != NULL);
172  	
173  	   /* call virtual method of display column object */
174  	   SCIP_CALL( dispdata->objdisp->scip_exitsol(scip, disp) );
175  	
176  	   return SCIP_OKAY;
177  	}
178  	
179  	
180  	/** output method of display column to output file stream 'file' */
181  	static
182  	SCIP_DECL_DISPOUTPUT(dispOutputObj)
183  	{  /*lint --e{715}*/
184  	   SCIP_DISPDATA* dispdata;
185  	
186  	   dispdata = SCIPdispGetData(disp);
187  	   assert(dispdata != NULL);
188  	   assert(dispdata->objdisp != NULL);
189  	
190  	   /* call virtual method of display column object */
191  	   SCIP_CALL( dispdata->objdisp->scip_output(scip, disp, file) );
192  	
193  	   return SCIP_OKAY;
194  	}
195  	}
196  	
197  	
198  	
199  	/*
200  	 * display column specific interface methods
201  	 */
202  	
203  	/** creates the display column for the given display column object and includes it in SCIP */
204  	SCIP_RETCODE SCIPincludeObjDisp(
205  	   SCIP*                 scip,               /**< SCIP data structure */
206  	   scip::ObjDisp*        objdisp,            /**< display column object */
207  	   SCIP_Bool             deleteobject        /**< should the display column object be deleted when display column is freed? */
208  	   )
209  	{
210  	   SCIP_DISPDATA* dispdata;
211  	
212  	   assert(scip != NULL);
213  	   assert(objdisp != NULL);
214  	   
215  	   /* create display column data */
216  	   dispdata = new SCIP_DISPDATA;
217  	   dispdata->objdisp = objdisp;
218  	   dispdata->deleteobject = deleteobject;
219  	
220  	   /* include display column */
221  	   SCIP_CALL( SCIPincludeDisp(scip, objdisp->scip_name_, objdisp->scip_desc_, 
222  	         objdisp->scip_header_, SCIP_DISPSTATUS_AUTO,
223  	         dispCopyObj,
224  	         dispFreeObj, dispInitObj, dispExitObj, dispInitsolObj, 
225  	         dispExitsolObj, dispOutputObj, dispdata, objdisp->scip_width_, objdisp->scip_priority_, objdisp->scip_position_, 
226  	         objdisp->scip_stripline_) ); /*lint !e429*/
227  	
228  	   return SCIP_OKAY; /*lint !e429*/
229  	}
230  	
231  	/** returns the display column object of the given name, or 0 if not existing */
232  	scip::ObjDisp* SCIPfindObjDisp(
233  	   SCIP*                 scip,               /**< SCIP data structure */
234  	   const char*           name                /**< name of display column */
235  	   )
236  	{
237  	   SCIP_DISP* disp;
238  	   SCIP_DISPDATA* dispdata;
239  	
240  	   disp = SCIPfindDisp(scip, name);
241  	   if( disp == NULL )
242  	      return 0;
243  	
244  	   dispdata = SCIPdispGetData(disp);
245  	   assert(dispdata != NULL);
246  	
247  	   return dispdata->objdisp;
248  	}
249  	   
250  	/** returns the display column object for the given display column */
251  	scip::ObjDisp* SCIPgetObjDisp(
252  	   SCIP*                 scip,               /**< SCIP data structure */
253  	   SCIP_DISP*            disp                /**< display column */
254  	   )
255  	{
256  	   SCIP_DISPDATA* dispdata;
257  	
258  	   assert(scip != NULL);
259  	   dispdata = SCIPdispGetData(disp);
260  	   assert(dispdata != NULL);
261  	
262  	   return dispdata->objdisp;
263  	}
264