1 // ******************************************************************************
2 //
3 // Title: Force Field X.
4 // Description: Force Field X - Software for Molecular Biophysics.
5 // Copyright: Copyright (c) Michael J. Schnieders 2001-2025.
6 //
7 // This file is part of Force Field X.
8 //
9 // Force Field X is free software; you can redistribute it and/or modify it
10 // under the terms of the GNU General Public License version 3 as published by
11 // the Free Software Foundation.
12 //
13 // Force Field X is distributed in the hope that it will be useful, but WITHOUT
14 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
15 // FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
16 // details.
17 //
18 // You should have received a copy of the GNU General Public License along with
19 // Force Field X; if not, write to the Free Software Foundation, Inc., 59 Temple
20 // Place, Suite 330, Boston, MA 02111-1307 USA
21 //
22 // Linking this library statically or dynamically with other modules is making a
23 // combined work based on this library. Thus, the terms and conditions of the
24 // GNU General Public License cover the whole combination.
25 //
26 // As a special exception, the copyright holders of this library give you
27 // permission to link this library with independent modules to produce an
28 // executable, regardless of the license terms of these independent modules, and
29 // to copy and distribute the resulting executable under terms of your choice,
30 // provided that you also meet, for each linked independent module, the terms
31 // and conditions of the license of that module. An independent module is a
32 // module which is not derived from or based on this library. If you modify this
33 // library, you may extend this exception to your version of the library, but
34 // you are not obligated to do so. If you do not wish to do so, delete this
35 // exception statement from your version.
36 //
37 // ******************************************************************************
38 package ffx.openmm;
39
40 import com.sun.jna.ptr.PointerByReference;
41
42 import static edu.uiowa.jopenmm.OpenMMLibrary.OpenMM_IntSet_create;
43 import static edu.uiowa.jopenmm.OpenMMLibrary.OpenMM_IntSet_destroy;
44 import static edu.uiowa.jopenmm.OpenMMLibrary.OpenMM_IntSet_getSize;
45 import static edu.uiowa.jopenmm.OpenMMLibrary.OpenMM_IntSet_insert;
46
47 /**
48 * Int Set.
49 */
50 public class IntSet {
51
52 private PointerByReference pointer;
53
54 /**
55 * Constructor.
56 */
57 public IntSet() {
58 pointer = OpenMM_IntSet_create();
59 }
60
61 /**
62 * Insert a value into the set.
63 *
64 * @param value Value to insert.
65 */
66 public void insert(int value) {
67 OpenMM_IntSet_insert(pointer, value);
68 }
69
70 /**
71 * Get the pointer to the set.
72 *
73 * @return Pointer to the set.
74 */
75 public PointerByReference getPointer() {
76 return pointer;
77 }
78
79 /**
80 * Get the size of the set.
81 *
82 * @return Size of the set.
83 */
84 public int getSize() {
85 return OpenMM_IntSet_getSize(pointer);
86 }
87
88 /**
89 * Destroy the set.
90 */
91 public void destroy() {
92 if (pointer != null) {
93 OpenMM_IntSet_destroy(pointer);
94 pointer = null;
95 }
96 }
97
98 }