Developer Documentation
ObjectIDPointerManagerT_impl.hh
1 /*===========================================================================*\
2 * *
3 * OpenFlipper *
4  * Copyright (c) 2001-2015, RWTH-Aachen University *
5  * Department of Computer Graphics and Multimedia *
6  * All rights reserved. *
7  * www.openflipper.org *
8  * *
9  *---------------------------------------------------------------------------*
10  * This file is part of OpenFlipper. *
11  *---------------------------------------------------------------------------*
12  * *
13  * Redistribution and use in source and binary forms, with or without *
14  * modification, are permitted provided that the following conditions *
15  * are met: *
16  * *
17  * 1. Redistributions of source code must retain the above copyright notice, *
18  * this list of conditions and the following disclaimer. *
19  * *
20  * 2. Redistributions in binary form must reproduce the above copyright *
21  * notice, this list of conditions and the following disclaimer in the *
22  * documentation and/or other materials provided with the distribution. *
23  * *
24  * 3. Neither the name of the copyright holder nor the names of its *
25  * contributors may be used to endorse or promote products derived from *
26  * this software without specific prior written permission. *
27  * *
28  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
29  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
30  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
31  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
32  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
33  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
34  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
35  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
36  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
37  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
38  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
39 * *
40 \*===========================================================================*/
41 
42 
43 //=============================================================================
44 //
45 // CLASS ObjectIDPointerManagerT - IMPLEMENTATION
46 //
47 //=============================================================================
48 
49 #define OBJECTIDPOINTERMANAGERT_C
50 
51 //== INCLUDES =================================================================
52 
53 #include "ObjectIDPointerManagerT.hh"
54 
55 //== NAMESPACES ===============================================================
56 
57 //== IMPLEMENTATION ==========================================================
58 
59 template< class Pointer >
60 bool ObjectIDPointerManagerT<Pointer>::get_pointer(int _identifier, Pointer & _pointer) {
61  typename PointerObjectIDMap::iterator po_itr;
62  typename PointerObjectIDMap::iterator po_itr_end = pointer_objectID_map_.end();
63 
64  po_itr = pointer_objectID_map_.find(_identifier);
65 
66  // Last position reached = no element with ID _identifier in map
67  if (po_itr == po_itr_end)
68  return false;
69 
70  // Give pointer back
71  _pointer = (Pointer)po_itr->second;
72  return true;
73 }
74 
75 //-----------------------------------------------------------------------------
76 
77 template< class Pointer >
78 Pointer ObjectIDPointerManagerT<Pointer>::get_pointer(int _identifier) {
79  Pointer tmp;
80  if ( get_pointer(_identifier,tmp) )
81  return tmp;
82  else
83  return NULL;
84 }
85 
86 //-----------------------------------------------------------------------------
87 
88 template< class Pointer >
89 bool ObjectIDPointerManagerT<Pointer>::add_pointer(int _identifier, const Pointer & _pointer) {
90  typename PointerObjectIDMap::iterator po_itr;
91  typename PointerObjectIDMap::iterator po_itr_end = pointer_objectID_map_.end();
92 
93  po_itr = pointer_objectID_map_.find(_identifier);
94 
95  // Was already there
96  if (po_itr != po_itr_end)
97  return false;
98 
99  pointer_objectID_map_.insert(PointerObjectIDPair(_identifier, _pointer));
100  return true;
101 }
102 
103 //-----------------------------------------------------------------------------
104 
105 template< class Pointer >
106 bool ObjectIDPointerManagerT<Pointer>::delete_object(int _identifier) {
107  typename PointerObjectIDMap::iterator po_itr;
108  typename PointerObjectIDMap::iterator po_itr_end = pointer_objectID_map_.end();
109 
110  po_itr = pointer_objectID_map_.find(_identifier);
111 
112  // Last position reached = no element with ID _identifier in map
113  if (po_itr == po_itr_end)
114  return false;
115 
116  pointer_objectID_map_.erase(_identifier);
117  return true;
118 }
119 
120 //-----------------------------------------------------------------------------
121 
122 template< class Pointer >
123 void ObjectIDPointerManagerT<Pointer>::get_object_ids(std::vector<int> & _ids)
124 {
125  _ids.clear();
126 
127  typename PointerObjectIDMap::iterator po_itr;
128  typename PointerObjectIDMap::iterator po_itr_end = pointer_objectID_map_.end();
129 
130  for (po_itr = pointer_objectID_map_.begin(); po_itr != po_itr_end; ++po_itr)
131  _ids.push_back((*po_itr).first);
132 }
133 
134 //-----------------------------------------------------------------------------
135 
136 //=============================================================================
137 //=============================================================================
ObjectIDPointerManagerT::get_pointer
bool get_pointer(int _identifier, Pointer &_pointer)
Definition: ObjectIDPointerManagerT_impl.hh:60
ObjectIDPointerManagerT::delete_object
bool delete_object(int _identifier)
Doesn&#39;t actually delete object (pointed to by pointer) only clears entry from the map...
Definition: ObjectIDPointerManagerT_impl.hh:106
ObjectIDPointerManagerT::PointerObjectIDPair
std::pair< int, Pointer > PointerObjectIDPair
typedef for the pairs
Definition: ObjectIDPointerManagerT.hh:77
ObjectIDPointerManagerT::add_pointer
bool add_pointer(int _identifier, const Pointer &_pointer)
Definition: ObjectIDPointerManagerT_impl.hh:89