Version: 8.3.0
SALOMESDS_KeyWaiter.hxx
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1 // Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
2 //
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
7 //
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
12 //
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 //
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
18 //
19 // Author : Anthony GEAY (EDF R&D)
20 
21 #ifndef __SALOMESDS_KEYWAITER_HXX__
22 #define __SALOMESDS_KEYWAITER_HXX__
23 
24 #include "SALOMEconfig.h"
25 #include CORBA_SERVER_HEADER(SALOME_SDS)
26 
27 #include "SALOMESDS_Defines.hxx"
28 #include "SALOMESDS_AutoRefCountPtr.hxx"
29 #include "SALOMESDS_DataScopeServer.hxx"
30 #include "SALOMESDS_PickelizedPyObjServer.hxx"
31 
32 #include <Python.h>
33 
34 #include <semaphore.h>
35 
36 namespace SALOMESDS
37 {
38  class DataScopeServerTransaction;
39 
40  class SALOMESDS_EXPORT KeyWaiter : public virtual POA_SALOME::KeyWaiter, public POAHolder
41  {
42  public:
43  KeyWaiter(PickelizedPyObjServer *var, const SALOME::ByteVec& keyVal);
44  PyObject *getKeyPyObj() const { return _ze_key; }
45  virtual ~KeyWaiter();
46  PortableServer::POA_var getPOA() const;
47  void waitFor();
48  void valueJustCome(PyObject *val);
49  void go();
50  std::string getVarName() const { return _var->getVarNameCpp(); }
51  SALOME::ByteVec *waitForMonoThr();
52  SALOME::ByteVec *waitForAndKill();
53  private:
54  DataScopeServerTransaction *getDSS() const { return static_cast<DataScopeServerTransaction *>(_var->getFather()); }//thanks to dynamic_cast in constructor
55  private:
56  PickelizedPyObjServer *_var;
57  PyObject *_ze_key;
58  PyObject *_ze_value;
59  sem_t _sem;
60  };
61 }
62 
63 #endif