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/* Copyright (C) 2003 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#ifndef ODBC_COMMON_ConnArea_hpp
#define ODBC_COMMON_ConnArea_hpp
#include <common/common.hpp>
class Ctx;
class Ndb;
class NdbSchemaCon;
class NdbConnection;
class DictCatalog;
class DictSchema;
/**
* @class ConnArea
* @brief Public part of connection handle
*/
class ConnArea {
public:
// state between ODBC function calls
enum State {
Free = 1, // not in use, no Ndb object
Connected = 2, // has Ndb object but no Ndb connection
Transacting = 3 // has Ndb connection
};
State getState() const;
DictCatalog& dictCatalog() const;
DictSchema& dictSchema() const;
Ndb* ndbObject() const;
NdbSchemaCon* ndbSchemaCon() const;
NdbConnection* ndbConnection() const;
// called from StmtArea
bool useSchemaCon(Ctx& ctx, bool use);
bool useConnection(Ctx& ctx, bool use);
// these just get and set the flag - no semantics
bool autocommit() const;
void autocommit(bool flag);
bool uncommitted() const;
void uncommitted(bool flag);
protected:
ConnArea();
~ConnArea();
State m_state;
DictCatalog* m_catalog;
DictSchema* m_schema;
Ndb* m_ndbObject;
NdbSchemaCon* m_ndbSchemaCon;
NdbConnection* m_ndbConnection;
unsigned m_useSchemaCon;
unsigned m_useConnection;
bool m_autocommit;
bool m_uncommitted; // has uncommitted changes
};
inline ConnArea::State
ConnArea::getState() const
{
return m_state;
}
inline DictCatalog&
ConnArea::dictCatalog() const
{
ctx_assert(m_catalog != 0);
return *m_catalog;
}
inline DictSchema&
ConnArea::dictSchema() const
{
ctx_assert(m_schema != 0);
return *m_schema;
}
inline Ndb*
ConnArea::ndbObject() const
{
ctx_assert(m_ndbObject != 0);
return m_ndbObject;
}
inline NdbSchemaCon*
ConnArea::ndbSchemaCon() const
{
ctx_assert(m_ndbSchemaCon != 0);
return m_ndbSchemaCon;
}
inline NdbConnection*
ConnArea::ndbConnection() const
{
ctx_assert(m_ndbConnection != 0);
return m_ndbConnection;
}
inline bool
ConnArea::autocommit() const
{
return m_autocommit;
}
inline void
ConnArea::autocommit(bool flag)
{
m_autocommit = flag;
}
inline bool
ConnArea::uncommitted() const
{
return m_uncommitted;
}
inline void
ConnArea::uncommitted(bool flag)
{
m_uncommitted = flag;
}
#endif
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