IFXConnection Class Reference

#include <IFXConnection.h>

Inheritance diagram for IFXConnection:

Public Member Functions
void	setErrorStatus (SQL::Error _error, long _SQLCODE, const wchar_t *_filename, int _line)
void	setErrorStatus (const ByteString &_message, const wchar_t *_filename, int _line)
_CONST char *	connectionID () const
virtual void	destroy ()
	IFXConnection (const wchar_t *_serverTitle)
virtual	~IFXConnection ()
virtual bool	__open (const char *_connString, size_t _connlen)
virtual bool	__close ()
virtual bool	__execute (const char *_sql, size_t _sqllen)
virtual bool	__startTrans ()
virtual bool	__commitTrans ()
virtual bool	__rollbackTrans ()
virtual bool	__createQueryInstance (SQL::Query **_queryHandleOut)
virtual bool	__getErrorMessage (char *_buf, size_t *_buflen)
virtual bool	__getServerInfo (char *_buf, size_t *_buflen)
Public Member Functions inherited from SQL::Connection
long	refCount () const
long	addRef ()
long	release ()
bool	open (const char *_connString, size_t _connlen)
bool	close ()
bool	execute (const char *_sql, size_t _sqllen)
bool	startTrans ()
bool	commitTrans ()
bool	rollbackTrans ()
bool	getErrorMessage (char *_pbuf, size_t *_pn)
bool	getServerInfo (char *_pbuf, size_t *_pn)
bool	createQueryInstance (Query **_queryHandleOut)
bool	destroyQueryInstance (Query *_queryHandle)
Error	errorCode () const
bool	canTransact () const
const wchar_t *	serverTitle () const
bool	inState (unsigned int uState) const
Public Member Functions inherited from Object
virtual String	toString () const
String	className () const
bool	isInstanceOf (const std::type_info &typeinfo) const
virtual const std::type_info &	typeInfo () const

Additional Inherited Members
Public Types inherited from SQL::Connection
enum	State { stClosed = 0x0001 , stOpenned = 0x0002 , stInTransaction = 0x0004 }
Static Public Member Functions inherited from SQL::Connection
static size_t	splitConnectionString (const char *_connString, size_t _strlen, ListedByteStringToByteStringMap &_map)
Public Attributes inherited from SQL::Connection
__PROTECTED	: void setErrorStatus(Error _errorCode
__PROTECTED const wchar_t *	_filename
__PROTECTED const wchar_t int	_line
Protected Member Functions inherited from SQL::Connection
	Connection (const wchar_t *_serverTitle)
virtual	~Connection ()
Protected Member Functions inherited from Object
virtual	~Object ()
	Object ()
Protected Attributes inherited from SQL::Connection
bool	__canTransact
const wchar_t *	__serverTitle
Error	__errorCode
const wchar_t *	__errorFileName
int	__errorLine
unsigned int	__states

Detailed Description

Definition at line 6 of file IFXConnection.h.

Constructor & Destructor Documentation

IFXConnection()

IFXConnection::IFXConnection

(

const wchar_t *

_serverTitle

)

Definition at line 46 of file IFXConnection.cpp.

    : Connection(_serverTitle)
{
    __connectionID = ByteString::format("con:%ld", Thread::incrementAndGet(__connectionID__));
}

~IFXConnection()

IFXConnection::~IFXConnection ( )

virtual

Definition at line 52 of file IFXConnection.cpp.

{
}

Member Function Documentation

__close()

bool IFXConnection::__close ( )

virtual

Implements SQL::Connection.

Definition at line 178 of file IFXConnection.cpp.

{
/*
 *  EXEC SQL BEGIN DECLARE SECTION;
 */
#line 125 "ifxconnection.ec"
#line 126 "ifxconnection.ec"
  char *pszConnectionID = (_CONST char*) __connectionID.data();
/*
 *  EXEC SQL END DECLARE SECTION;
 */
#line 127 "ifxconnection.ec"
 
 
/*
 *  EXEC SQL DISCONNECT :pszConnectionID;
 */
#line 129 "ifxconnection.ec"
  {
#line 129 "ifxconnection.ec"
  sqli_connect_close(0, pszConnectionID, 0, 0);
#line 129 "ifxconnection.ec"
  }
    if (SQLCODE < 0) {
        __SET_ERROR_SQLCODE(SQLCODE);
        return false;
    }
    
    return true;
}

__commitTrans()

bool IFXConnection::__commitTrans ( )

virtual

Implements SQL::Connection.

Definition at line 349 of file IFXConnection.cpp.

{
/*
 *  EXEC SQL BEGIN DECLARE SECTION;
 */
#line 232 "ifxconnection.ec"
#line 233 "ifxconnection.ec"
  char *pszConnectionID = (_CONST char*) __connectionID.data();
/*
 *  EXEC SQL END DECLARE SECTION;
 */
#line 234 "ifxconnection.ec"
 
 
/*
 *  EXEC SQL SET CONNECTION :pszConnectionID;
 */
#line 236 "ifxconnection.ec"
  {
#line 236 "ifxconnection.ec"
  sqli_connect_set(0, pszConnectionID, 0);
#line 236 "ifxconnection.ec"
  }
    if (SQLCODE < 0) {
        __SET_ERROR_SQLCODE(SQLCODE);
        return false;
    }
 
/*
 *  EXEC SQL COMMIT WORK;
 */
#line 242 "ifxconnection.ec"
  {
#line 242 "ifxconnection.ec"
  sqli_trans_commit();
#line 242 "ifxconnection.ec"
  }
    if (SQLCODE < 0) {
        __SET_ERROR_SQLCODE(SQLCODE);
        return false;
    }
 
    __UNSET_STATE(stInTransaction);
    return true;
}

__createQueryInstance()

bool IFXConnection::__createQueryInstance ( SQL::Query ** _queryHandleOut )

virtual

Implements SQL::Connection.

Definition at line 441 of file IFXConnection.cpp.

{
    __DCL_ASSERT(_queryHandleOut != NULL);
 
    SQL::Query* pNewQuery = new IFXQuery(this);
    if (!pNewQuery) {
        __SET_ERROR(SQL::eOutOfMemory);
        return false;
    }
    
    *_queryHandleOut = pNewQuery;
    return true;
}

__execute()

bool IFXConnection::__execute ( const char * _sql, size_t _sqllen )

virtual

Implements SQL::Connection.

Definition at line 242 of file IFXConnection.cpp.

{
/*
 *  EXEC SQL BEGIN DECLARE SECTION;
 */
#line 173 "ifxconnection.ec"
#line 174 "ifxconnection.ec"
  char *pszConnectionID = (_CONST char*) __connectionID.data();
  char *pszSqlStatement = (_CONST char*) _sql;
/*
 *  EXEC SQL END DECLARE SECTION;
 */
#line 176 "ifxconnection.ec"
 
 
/*
 *  EXEC SQL SET CONNECTION :pszConnectionID;
 */
#line 178 "ifxconnection.ec"
  {
#line 178 "ifxconnection.ec"
  sqli_connect_set(0, pszConnectionID, 0);
#line 178 "ifxconnection.ec"
  }
    if (SQLCODE < 0) {
        __SET_ERROR_SQLCODE(SQLCODE);
        return false;
    }
 
/*
 *  EXEC SQL EXECUTE IMMEDIATE :pszSqlStatement;
 */
#line 184 "ifxconnection.ec"
  {
#line 184 "ifxconnection.ec"
  sqli_exec_immed(pszSqlStatement);
#line 184 "ifxconnection.ec"
  }
    if (SQLCODE < 0) {
        __SET_ERROR_SQLCODE(SQLCODE);
        return false;
    }
 
    switch(__GetStmtType(_sql)) {
    case StmtTransBegin :
        __SET_STATE(stInTransaction);
        break;
    case StmtTransEnd :
        __UNSET_STATE(stInTransaction);
        break;
    case StmtDatabase :
        reset();
        break;
    case StmtOther :
    default :
        ;
    }
 
    return true;
}

__getErrorMessage()

bool IFXConnection::__getErrorMessage ( char * _buf, size_t * _buflen )

virtual

Implements SQL::Connection.

Definition at line 503 of file IFXConnection.cpp.

{
    __DCL_ASSERT(Connection::__errorCode == SQL::eServerError);
    if (__lastErrorMessage.length() < *_buflen)
        *_buflen = __lastErrorMessage.length();
    strncpy(_buf, __lastErrorMessage.data(), *_buflen);
    return true;
}

__getServerInfo()

bool IFXConnection::__getServerInfo ( char * _buf, size_t * _buflen )

virtual

Implements SQL::Connection.

Definition at line 512 of file IFXConnection.cpp.

{
    IFXQuery* pQuery = new IFXQuery(this);
    if (pQuery == NULL) {
        __SET_ERROR(SQL::eOutOfMemory);
        return false;
    }
 
    bool localTrans = false;
    if (!inState(SQL::Connection::stInTransaction)) {
        __startTrans();
        localTrans = true;
    }
 
    const char* _sql =
        "SELECT DBINFO('version', 'full')"
        "   FROM systables WHERE tabid = 1";
    for (; ; ) {
        if (!pQuery->prepare(_sql, ByteString::length(_sql), 0))
            break;
 
        if (!pQuery->execute())
            break;
 
        if (!pQuery->fetch())
            break;
 
        if (pQuery->eof()) {
            __SET_ERROR(SQL::eNotAvailable);
            break;
        }
 
        IFXField* pField = NULL;
        if (!pQuery->__getField(0, (SQL::Field**)&pField))
            break;
 
        if (pField->isNull()) {
            __SET_ERROR(SQL::eNotAvailable);
            break;
        }
 
        if (!pField->__getData(_buf, _buflen, SQL::typeText))
            break;
 
        pQuery->__destroy();
        pQuery = NULL;
 
        if (localTrans) {
            __commitTrans();
        }
        return true;
    }
 
    if (pQuery) {
        pQuery->__destroy();
    }
 
    if (localTrans) {
        __rollbackTrans();
    }
    return false;
}       

__open()

bool IFXConnection::__open ( const char * _connString, size_t _connlen )

virtual

Implements SQL::Connection.

Definition at line 120 of file IFXConnection.cpp.

{
    ListedByteStringToByteStringMap map;
    Connection::splitConnectionString(_connString, _connlen, map);
 
    ByteString strServer = map["SERVER"];
    ByteString strUser = map["USER"];
    ByteString strPassword = map["PASSWORD"];
    ByteString strDatabase = map["DATABASE"];
 
    ByteString strDatabaseEnv = strDatabase;
    if (!strServer.isEmpty()) {
        strDatabaseEnv = strDatabaseEnv + "@" + strServer;
    }
    //__DCL_TRACE1(L"[%hs]\n", strDatabaseEnv.data());
 
/*
 *  EXEC SQL BEGIN DECLARE SECTION;
 */
#line 100 "ifxconnection.ec"
#line 101 "ifxconnection.ec"
  char *pszUserName = (_CONST char*) strUser.data();
  char *pszPassword = (_CONST char*) strPassword.data();
  char *pszDatabaseEnv = (_CONST char*) strDatabaseEnv.data();
  char *pszConnectionID = NULL;
/*
 *  EXEC SQL END DECLARE SECTION;
 */
#line 105 "ifxconnection.ec"
 
 
    pszConnectionID = (_CONST char*) __connectionID.data();
 
/*
 *  EXEC SQL CONNECT TO :pszDatabaseEnv AS :pszConnectionID
 *              USER :pszUserName USING :pszPassword
 *              WITH CONCURRENT TRANSACTION;
 */
#line 109 "ifxconnection.ec"
  {
#line 111 "ifxconnection.ec"
  ifx_conn_t      *_sqiconn;
  _sqiconn = (ifx_conn_t *)ifx_alloc_conn_user(pszUserName, pszPassword);
  sqli_connect_open(ESQLINTVERSION, 0, pszDatabaseEnv, pszConnectionID, _sqiconn, 1);
  ifx_free_conn_user(&_sqiconn);
#line 111 "ifxconnection.ec"
  }
    if (SQLCODE < 0) {
        __SET_ERROR_SQLCODE(SQLCODE);
        return false;
    }
 
    if (!strDatabase.isEmpty())
        reset();
 
    return true;
}

__rollbackTrans()

bool IFXConnection::__rollbackTrans ( )

virtual

Implements SQL::Connection.

Definition at line 395 of file IFXConnection.cpp.

{   
/*
 *  EXEC SQL BEGIN DECLARE SECTION;
 */
#line 254 "ifxconnection.ec"
#line 255 "ifxconnection.ec"
  char *pszConnectionID = (_CONST char*) __connectionID.data();
/*
 *  EXEC SQL END DECLARE SECTION;
 */
#line 256 "ifxconnection.ec"
 
 
/*
 *  EXEC SQL SET CONNECTION :pszConnectionID;
 */
#line 258 "ifxconnection.ec"
  {
#line 258 "ifxconnection.ec"
  sqli_connect_set(0, pszConnectionID, 0);
#line 258 "ifxconnection.ec"
  }
    if (SQLCODE < 0) {
        __SET_ERROR_SQLCODE(SQLCODE);
        return false;
    }
 
/*
 *  EXEC SQL ROLLBACK WORK;
 */
#line 264 "ifxconnection.ec"
  {
#line 264 "ifxconnection.ec"
  sqli_trans_rollback();
#line 264 "ifxconnection.ec"
  }
    if (SQLCODE < 0) {
        __SET_ERROR_SQLCODE(SQLCODE);
        return false;
    }
 
    __UNSET_STATE(stInTransaction);
    return true;
}

__startTrans()

bool IFXConnection::__startTrans ( )

virtual

Implements SQL::Connection.

Definition at line 303 of file IFXConnection.cpp.

{
/*
 *  EXEC SQL BEGIN DECLARE SECTION;
 */
#line 210 "ifxconnection.ec"
#line 211 "ifxconnection.ec"
  char *pszConnectionID = (_CONST char*) __connectionID.data();
/*
 *  EXEC SQL END DECLARE SECTION;
 */
#line 212 "ifxconnection.ec"
 
 
/*
 *  EXEC SQL SET CONNECTION :pszConnectionID;
 */
#line 214 "ifxconnection.ec"
  {
#line 214 "ifxconnection.ec"
  sqli_connect_set(0, pszConnectionID, 0);
#line 214 "ifxconnection.ec"
  }
    if (SQLCODE < 0) {
        __SET_ERROR_SQLCODE(SQLCODE);
        return false;
    }
 
/*
 *  EXEC SQL BEGIN WORK;
 */
#line 220 "ifxconnection.ec"
  {
#line 220 "ifxconnection.ec"
  sqli_trans_begin2((mint)1);
#line 220 "ifxconnection.ec"
  }
    if (SQLCODE < 0) {
        __SET_ERROR_SQLCODE(SQLCODE);
        return false;
    }
 
    __SET_STATE(stInTransaction);
    return true;
}

connectionID()

_CONST char * IFXConnection::connectionID ( ) const

inline

Definition at line 45 of file IFXConnection.h.

{
    return (_CONST char*)__connectionID.data();
}

destroy()

void IFXConnection::destroy ( )

virtual

파생클래스에서 new 연산자를 override했거나, 추가적인 행위가 필요하다면 이것도 override하라

Implements SQL::Connection.

Definition at line 56 of file IFXConnection.cpp.

{
    delete this;
}

setErrorStatus() [1/2]

void IFXConnection::setErrorStatus ( const ByteString & _message, const wchar_t * _filename, int _line )

inline

Definition at line 38 of file IFXConnection.h.

{
    Connection::setErrorStatus(SQL::eServerError, _filename, _line);
    __lastErrorMessage = _message;
}

setErrorStatus() [2/2]

void IFXConnection::setErrorStatus	(	SQL::Error	_error,
		long	_SQLCODE,
		const wchar_t *	_filename,
		int	_line )

Definition at line 455 of file IFXConnection.cpp.

{
    Connection::setErrorStatus(_error, _filename, _line);
    if (_SQLCODE == 0) {
        __lastErrorMessage.clear();
        return;
    }
 
    __DCL_ASSERT(_SQLCODE == sqlca.sqlcode);
 
    ByteStringBuilder sb;
    sb.format("SQLCODE(%d) ", _SQLCODE);
 
    char buf[600];
    mint actual = 0;
    mint r = rgetlmsg(_SQLCODE, buf, sizeof(buf), &actual);
    if (!r) {
        while (actual > 0) {
            if (!isspace(buf[actual - 1]))
                break;
            actual--;
        }
        buf[actual] = '\0';
        sb.format(buf, sqlca.sqlerrm);
    }
    else {
        sb.format("(%d)", r);
        switch (r) {
        case -1227:
            sb.append("Message file not found");
            break;
        case -1228:
            sb.append("Message number not found in message file");
            break;
        case -1231:
            sb.append("Cannot seek within messge file");
            break;
        case -1232:
            sb.append("Message buffer too small");
            break;
        default:
            sb.append("Unkndown");
        }
    }
    __lastErrorMessage = sb.toByteString();
}

---

The documentation for this class was generated from the following files:

• IFXConnection.h
• IFXConnection.cpp