LArSoft  v07_13_02
Liquid Argon Software toolkit - http://larsoft.org/
test10.cc
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26 // $Id: test10.cc 86624 2014-11-14 08:59:40Z kmura $
27 // ====================================================================
28 // test10.cc
29 //
30 // test for call by-reference
31 //
32 // 2005 Q
33 // ====================================================================
34 #include <iostream>
35 
36 class AClass {
37 public:
38  AClass() {
39  std::cout << "*** AClass is created..." << this
40  << std::endl;
41  }
42 
43  ~AClass() {
44  std::cout << "*** AClass is deleted..." << this
45  << std::endl;
46  }
47 };
48 
49 class BClass {
50 public:
51  BClass() {
52  std::cout << "*** BClass is created..." << this
53  << std::endl;
54  }
55  ~BClass() {
56  std::cout << "*** BClass is deleted..." << this
57  << std::endl;
58  }
59 };
60 
61 class XBase {
62 public:
63  XBase() {}
64  ~XBase() {}
65 
66  virtual void VMethodA(const AClass* a) {
67  std::cout << "*** XBase::VMethod...A() is called." << std::endl;
68  }
69 
70  virtual void VMethodB(const BClass* b) {
71  std::cout << "*** XBase::VMethod...B() is called." << std::endl;
72  }
73 };
74 
75 
76 class ZClass {
77 private:
81 
82 public:
83  ZClass() : xbase(0) { }
84  ~ZClass() { }
85 
86  void SetXBase(XBase* base) {
87  xbase= base;
88  }
89 
90  void Process() {
91  xbase-> VMethodA(&a);
92  xbase-> VMethodB(&b);
93  }
94 };
95 
96 
97 // Boost.Python...
98 #include <boost/python.hpp>
99 
100 using namespace boost::python;
101 
102 // call backs
103 struct CB_XBase : XBase, wrapper<XBase> {
104  void VMethodA(const AClass* a) {
105  if(const override& f= get_override("VMethodA"))
106  f(a);
107  else
108  XBase::VMethodA(a);
109  }
110 
111  void d_VMethodA(const AClass* a) {
112  XBase::VMethodA(a);
113  }
114 
115  //
116  void VMethodB(const BClass* b) {
117  if(const override& f= get_override("VMethodB"))
118  f(b);
119  else
120  XBase::VMethodB(b);
121  }
122 
123  void d_VMethodB(const BClass* b) {
124  XBase::VMethodB(b);
125  }
126 };
127 
128 
130 {
131  class_<AClass, AClass*>("AClass", "a class")
132  .def(init<>())
133  ;
134 
135  class_<BClass>("BClass", "b class")
136  .def(init<>())
137  ;
138 
139  class_<CB_XBase, boost::noncopyable>("XBase", "xbase class")
140  .def(init<>())
141  .def("VMethodA", &XBase::VMethodA, &CB_XBase::d_VMethodA)
142  .def("VMethodB", &XBase::VMethodB, &CB_XBase::d_VMethodB)
143  ;
144 
145  class_<ZClass>("ZClass", "z class")
146  .def(init<>())
147  .def("SetXBase", &ZClass::SetXBase)
148  .def("Process", &ZClass::Process)
149  ;
150 }
151 
Definition: BClass.hh:43
~BClass()
Definition: test10.cc:55
~AClass()
Definition: test10.cc:43
AClass a
Definition: test10.cc:78
void VMethodA(const AClass *a)
Definition: test10.cc:104
virtual void VMethodB(const BClass *b)
Definition: test10.cc:70
AClass()
Definition: test10.cc:38
void VMethodB(const BClass *b)
Definition: test10.cc:116
BOOST_PYTHON_MODULE(test10)
Definition: test10.cc:129
void SetXBase(XBase *base)
Definition: test10.cc:86
virtual void VMethodA(const AClass *a)
Definition: test10.cc:66
TFile f
Definition: plotHisto.C:6
void d_VMethodA(const AClass *a)
Definition: test10.cc:111
XBase * xbase
Definition: test10.cc:80
BClass()
Definition: test10.cc:51
void d_VMethodB(const BClass *b)
Definition: test10.cc:123
Definition: AClass.hh:41
XBase()
Definition: test10.cc:63
Definition: test10.cc:76
Definition: XBase.hh:41
ZClass()
Definition: test10.cc:83
~ZClass()
Definition: test10.cc:84
void Process()
Definition: test10.cc:90
BClass b
Definition: test10.cc:79
~XBase()
Definition: test10.cc:64