QMutexLocker

DataBaseLMS/databaselms.cpp

@@ -24,8 +24,6 @@ DataBaseLMS::~DataBaseLMS()
 
 bool DataBaseLMS::createConnection()
 {
-    mtxAccess.lock();
-
     dbSettings = getDataBaseSettings();
 
     dbSettings.connectionName = "Connection_" + dbSettings.dbName;
@@ -41,7 +39,6 @@ bool DataBaseLMS::createConnection()
 
     if(!res)
     {
-        mtxAccess.unlock();
         deleteConnection();
         return false;
     }
@@ -49,15 +46,12 @@ bool DataBaseLMS::createConnection()
     {
         bool flHas = db->driver()->hasFeature(QSqlDriver::Transactions);
         qDebug() << "db->driver()->hasFeature(QSqlDriver::Transactions): " << flHas;
-        mtxAccess.unlock();
         return true;
     }
 }
 
 void DataBaseLMS::deleteConnection()
 {
-    mtxAccess.lock();
-
     if(transactionBegined)
         QSqlDatabase::database().rollback();
 
@@ -69,29 +63,21 @@ void DataBaseLMS::deleteConnection()
         delete  db;
         db = nullptr;
     }
-
-    mtxAccess.unlock();
 }
 
 bool DataBaseLMS::isConnected()
 {
-    mtxAccess.lock();
-
     if(db == nullptr)
     {
-        mtxAccess.unlock();
         return false;
     }
     else
     {
         if(db->isOpen())
         {
-            mtxAccess.unlock();
             return true;
         }
     }
-
-    mtxAccess.unlock();
     return false;
 }
 
@@ -153,33 +139,6 @@ DataBaseSettings DataBaseLMS::getDataBaseSettings()
     return settings;
 }
 
-bool DataBaseLMS::transactionBegin()
-{
-    /*
-    if(transactionBegined)
-    {//Отмена предыдущей незаконченной
-        if(QSqlDatabase::database().rollback())
-            transactionBegined = false;
-        else
-            return false;
-    }
-    return (transactionBegined = QSqlDatabase::database().transaction());
-    */
-    return true;
-}
-
-bool DataBaseLMS::transactionEnd()
-{
-    /*
-    if(transactionBegined)
-    {
-        return !(transactionBegined = !QSqlDatabase::database().commit());
-    }
-    return false;
-    */
-    return true;
-}
-
 int DataBaseLMS::queryExecInt(QString queryStr)
 {
     QSqlQuery query = QSqlQuery(*db);
@@ -222,10 +181,8 @@ bool DataBaseLMS::queryExecBool(QString queryStr)
 bool DataBaseLMS::queryExec(QString queryStr, QSqlQuery *query)
 {
     bool res  = false;
-    mtxAccess.lock();
     if(! (res = query->exec(queryStr)) )
             messageWarningErrorQuery(queryStr, query);
-    mtxAccess.unlock();
     return res;
 }