Wolframe, 0.0.3

transactionExecStatemachine.hpp
Go to the documentation of this file.
1 /************************************************************************
2 
3  Copyright (C) 2011 - 2014 Project Wolframe.
4  All rights reserved.
5 
6  This file is part of Project Wolframe.
7 
8  Commercial Usage
9  Licensees holding valid Project Wolframe Commercial licenses may
10  use this file in accordance with the Project Wolframe
11  Commercial License Agreement provided with the Software or,
12  alternatively, in accordance with the terms contained
13  in a written agreement between the licensee and Project Wolframe.
14 
15  GNU General Public License Usage
16  Alternatively, you can redistribute this file and/or modify it
17  under the terms of the GNU General Public License as published by
18  the Free Software Foundation, either version 3 of the License, or
19  (at your option) any later version.
20 
21  Wolframe is distributed in the hope that it will be useful,
22  but WITHOUT ANY WARRANTY; without even the implied warranty of
23  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24  GNU General Public License for more details.
25 
26  You should have received a copy of the GNU General Public License
27  along with Wolframe. If not, see <http://www.gnu.org/licenses/>.
28 
29  If you have questions regarding the use of this file, please contact
30  Project Wolframe.
31 
32 ************************************************************************/
35 #ifndef _DATABASE_TRANSACTION_EXECUTION_STATEMACHINE_HPP_INCLUDED
36 #define _DATABASE_TRANSACTION_EXECUTION_STATEMACHINE_HPP_INCLUDED
38 #include "types/variant.hpp"
39 #include <string>
40 #include <cstdlib>
41 #include <boost/shared_ptr.hpp>
42 
43 namespace _Wolframe {
44 namespace db {
45 
50 {
51 public:
54 
57 
59  virtual const std::string& databaseID() const=0;
60 
62  virtual bool begin()=0;
64  virtual bool commit()=0;
66  virtual bool rollback()=0;
67 
70  virtual bool start( const std::string& statement)=0;
72  virtual bool bind( std::size_t idx, const types::VariantConst& value)=0;
74  virtual bool execute()=0;
76  virtual std::size_t nofColumns()=0;
78  virtual const char* columnName( std::size_t idx)=0;
80  virtual types::VariantConst get( std::size_t idx)=0;
82  virtual bool next()=0;
84  virtual bool hasResult()=0;
86  virtual const db::DatabaseError* getLastError()=0;
88  virtual bool isCaseSensitive()=0;
89 };
90 
91 typedef boost::shared_ptr<TransactionExecStatemachine> TransactionExecStatemachineR;
92 
93 }}//namespace
94 #endif
95 
virtual std::size_t nofColumns()=0
Get the number of columns of the last result.
Class for describing database errors.
Definition: databaseError.hpp:46
virtual bool rollback()=0
Rollback current transaction.
Error class for databases.
TransactionExecStatemachine()
Constructor.
Definition: transactionExecStatemachine.hpp:53
virtual ~TransactionExecStatemachine()
Destructor.
Definition: transactionExecStatemachine.hpp:56
virtual bool begin()=0
Begin transaction.
virtual bool start(const std::string &statement)=0
Start new command statement.
virtual const db::DatabaseError * getLastError()=0
Get the last database error as structure.
Variant value type that represents a variant copy without content ownership.
Definition: variant.hpp:286
virtual bool execute()=0
Execute instance of current statement.
Variant value type.
virtual bool next()=0
Skip to the next row of the last result.
virtual const char * columnName(std::size_t idx)=0
Get a column title of the last result.
virtual bool isCaseSensitive()=0
Find out if the database is case sensitive or not.
boost::shared_ptr< TransactionExecStatemachine > TransactionExecStatemachineR
Definition: transactionExecStatemachine.hpp:91
virtual bool hasResult()=0
Evaluate if there is a result.
Interface to the database transaction execution statemechine.
Definition: transactionExecStatemachine.hpp:49
virtual const std::string & databaseID() const =0
Get database identifier.
virtual bool commit()=0
Commit current transaction.
virtual bool bind(std::size_t idx, const types::VariantConst &value)=0
Bind parameter value on current command statement.