1 // Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
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.
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.
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
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
19 // Author : Anthony GEAY (EDF R&D)
21 #include "SALOMESDS_Transaction.hxx"
22 #include "SALOMESDS_Exception.hxx"
23 #include "SALOMESDS_PickelizedPyObjServer.hxx"
24 #include "SALOMESDS_PickelizedPyObjRdWrServer.hxx"
25 #include "SALOMESDS_PickelizedPyObjRdExtServer.hxx"
26 #include "SALOMESDS_TrustTransaction.hxx"
30 using namespace SALOMESDS;
32 void Transaction::FromByteSeqToVB(const SALOME::ByteVec& bsToBeConv, std::vector<unsigned char>& ret)
34 std::size_t sz(bsToBeConv.length());
36 unsigned char *buf(const_cast<unsigned char *>(&ret[0]));
37 for(std::size_t i=0;i<sz;i++)
41 void Transaction::FromVBToByteSeq(const std::vector<unsigned char>& bsToBeConv, SALOME::ByteVec& ret)
43 std::size_t sz(bsToBeConv.size());
45 for(std::size_t i=0;i<sz;i++)
49 Transaction::~Transaction()
53 TransactionVarCreate::TransactionVarCreate(DataScopeServerTransaction *dsct, const std::string& varName, const SALOME::ByteVec& constValue):Transaction(dsct,varName)
55 FromByteSeqToVB(constValue,_data);
58 void TransactionVarCreate::prepareRollBackInCaseOfFailure()
59 {//nothing it is not a bug
60 checkNotAlreadyExisting();
63 void TransactionVarCreate::rollBack()
65 if(_dsct->existVar(_var_name.c_str()))
66 _dsct->deleteVar(_var_name.c_str());
70 * no implementation it is not a bug !
72 void TransactionVarCreate::notify()
76 void TransactionRdOnlyVarCreate::perform()
78 SALOME::ByteVec data2;
79 FromVBToByteSeq(_data,data2);
80 _dsct->createRdOnlyVarInternal(_var_name,data2);
83 void TransactionRdExtVarCreate::perform()
85 SALOME::ByteVec data2;
86 FromVBToByteSeq(_data,data2);
87 _dsct->createRdExtVarInternal(_var_name,data2);
90 void TransactionRdExtInitVarCreate::perform()
92 SALOME::ByteVec data2;
93 FromVBToByteSeq(_data,data2);
94 _dsct->createRdExtInitVarInternal(_var_name,data2);
97 void TransactionRdWrVarCreate::perform()
99 SALOME::ByteVec data2;
100 FromVBToByteSeq(_data,data2);
101 _dsct->createRdWrVarInternal(_var_name,data2);
104 TransactionKillVar::TransactionKillVar(DataScopeServerTransaction *dsct, const std::string& varName):Transaction(dsct,varName)
111 void TransactionKillVar::prepareRollBackInCaseOfFailure()
114 //BasicDataServer *bds(_dsct->retrieveVarInternal2(_var_name);
118 void TransactionKillVar::perform()
120 _dsct->deleteVar(_var_name.c_str());
126 void TransactionKillVar::rollBack()
131 * no implementation it is not a bug ! killVar is not an event.
133 void TransactionKillVar::notify()
137 TransactionDictModify::TransactionDictModify(DataScopeServerTransaction *dsct, const std::string& varName):Transaction(dsct,varName),_varc(0)
139 _varc=checkVarExistingAndDict();
142 void TransactionDictModify::prepareRollBackInCaseOfFailure()
144 _zeDataBefore.clear();
145 PyObject *zeDictPy(_varc->getPyObj());
146 Py_XINCREF(zeDictPy);
147 _zeDataBefore=_varc->pickelize(zeDictPy);
150 void TransactionDictModify::rollBack()
152 PyObject *obj(_varc->getPyObjFromPickled(_zeDataBefore));
153 _varc->setNewPyObj(obj);
154 _zeDataBefore.clear();
157 TransactionAddKeyValue::TransactionAddKeyValue(DataScopeServerTransaction *dsct, const std::string& varName, const SALOME::ByteVec& key, const SALOME::ByteVec& value):TransactionDictModify(dsct,varName)
159 std::vector<unsigned char> key2,value2;
160 FromByteSeqToVB(key,key2);
161 FromByteSeqToVB(value,value2);
162 _key=PickelizedPyObjServer::GetPyObjFromPickled(key2,_dsct);
163 _value=PickelizedPyObjServer::GetPyObjFromPickled(value2,_dsct);
166 void TransactionAddKeyValue::prepareRollBackInCaseOfFailure()
168 TransactionDictModify::prepareRollBackInCaseOfFailure();
169 _dsct->pingKey(_key);// check that key is OK with all waiting keys
172 void TransactionAddKeyValue::notify()
174 _dsct->notifyKey(getVarName(),_key,_value);
177 TransactionAddKeyValue::~TransactionAddKeyValue()
183 TransactionAddKeyValueHard::TransactionAddKeyValueHard(DataScopeServerTransaction *dsct, const std::string& varName, const SALOME::ByteVec& key, const SALOME::ByteVec& value):TransactionAddKeyValue(dsct,varName,key,value)
187 void TransactionAddKeyValueHard::perform()
189 _varc->addKeyValueHard(_key,_value);
192 TransactionAddKeyValueErrorIfAlreadyExisting::TransactionAddKeyValueErrorIfAlreadyExisting(DataScopeServerTransaction *dsct, const std::string& varName, const SALOME::ByteVec& key, const SALOME::ByteVec& value):TransactionAddKeyValue(dsct,varName,key,value)
194 _varc->checkKeyNotAlreadyPresent(_key);
197 void TransactionAddKeyValueErrorIfAlreadyExisting::perform()
199 _varc->addKeyValueErrorIfAlreadyExisting(_key,_value);
202 TransactionRemoveKeyInVarErrorIfNotAlreadyExisting::TransactionRemoveKeyInVarErrorIfNotAlreadyExisting(DataScopeServerTransaction *dsct, const std::string& varName, const SALOME::ByteVec& key):TransactionDictModify(dsct,varName),_key(0)
204 std::vector<unsigned char> key2;
205 FromByteSeqToVB(key,key2);
206 _key=PickelizedPyObjServer::GetPyObjFromPickled(key2,_dsct);
209 void TransactionRemoveKeyInVarErrorIfNotAlreadyExisting::perform()
211 _varc->removeKeyInVarErrorIfNotAlreadyExisting(_key);
215 * no implementation it is not a bug !
217 void TransactionRemoveKeyInVarErrorIfNotAlreadyExisting::notify()
221 TransactionRemoveKeyInVarErrorIfNotAlreadyExisting::~TransactionRemoveKeyInVarErrorIfNotAlreadyExisting()
226 TransactionMorphRdWrIntoRdOnly::TransactionMorphRdWrIntoRdOnly(DataScopeServerTransaction *dsct, const std::string& varName):Transaction(dsct,varName)
230 SALOME::PickelizedPyObjRdWrServer_ptr TransactionMorphRdWrIntoRdOnly::getVar()
232 SALOME::BasicDataServer_var obj(_dsct->retrieveVarInternal(_var_name.c_str()));
233 SALOME::PickelizedPyObjRdWrServer_ptr ret(SALOME::PickelizedPyObjRdWrServer::_narrow(obj));
234 if(CORBA::is_nil(ret))
236 std::ostringstream oss; oss << "TransactionMorphRdWrIntoRdOnly::getVar : var \"" << _var_name << "\" has not expected PickelizedPyObjRdWrServer type !";
237 throw Exception(oss.str());
242 void TransactionMorphRdWrIntoRdOnly::prepareRollBackInCaseOfFailure()
244 BasicDataServer *var(_dsct->retrieveVarInternal2(_var_name));
246 throw Exception("TransactionMorphRdWrIntoRdOnly::prepareRollBackInCaseOfFailure : Returned var is NULL !");
247 PickelizedPyObjRdWrServer *varc(dynamic_cast<PickelizedPyObjRdWrServer *>(var));
249 throw Exception("TransactionMorphRdWrIntoRdOnly::prepareRollBackInCaseOfFailure : Returned var has not expected type !");
252 void TransactionMorphRdWrIntoRdOnly::perform()
254 _dsct->moveStatusOfVarFromRdWrToRdOnly(_var_name);
257 void TransactionMorphRdWrIntoRdOnly::rollBack()
259 _dsct->moveStatusOfVarFromRdOnlyToRdWr(_var_name);
263 * no implementation it is not a bug !
265 void TransactionMorphRdWrIntoRdOnly::notify()
269 TransactionMultiKeyAddSession::TransactionMultiKeyAddSession(DataScopeServerTransaction *dsct, const std::string& varName):Transaction(dsct,varName)
271 _dsct->moveStatusOfVarFromRdExtOrRdExtInitToRdExtInit(_var_name);
274 void TransactionMultiKeyAddSession::addKeyValueInVarErrorIfAlreadyExistingNow(const SALOME::ByteVec& key, const SALOME::ByteVec& value)
276 _dsct->checkVarExistingAndDict(_var_name);
277 TransactionAddKeyValueErrorIfAlreadyExisting ret(_dsct,_var_name,key,value);
279 bool mustRollback(true);
281 t.setTransaction(&ret,&mustRollback);
283 mustRollback=false;//important let this line to notify t that everything was OK
289 * no implementation it is not a bug !
291 void TransactionMultiKeyAddSession::prepareRollBackInCaseOfFailure()
295 void TransactionMultiKeyAddSession::perform()
297 _dsct->moveStatusOfVarFromRdExtOrRdExtInitToRdExt(_var_name);
301 * no implementation it is not a bug !
303 void TransactionMultiKeyAddSession::rollBack()
308 * no implementation it is not a bug !
310 void TransactionMultiKeyAddSession::notify()