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Static Public Member Functions | Private Member Functions | Static Private Member Functions | List of all members
JDATABASE::JDB Class Reference

Auxiliary class for connection to data base. More...

#include <JDB.hh>

Inheritance diagram for JDATABASE::JDB:

Static Public Member Functions

static const Server & getServer ()
 Get server. More...
 
static void setServer (const Server &server)
 Set server. More...
 
static JDBget ()
 Get connection to database. More...
 
static void reset ()
 Reset connection to database. More...
 
static void reset (const std::string &usr, const std::string &pwd)
 Reset connection to database. More...
 
static void reset (const std::string &cookie)
 Reset connection to database. More...
 
static void reset (const std::string &usr, const std::string &pwd, const std::string &cookie)
 Reset connection to database. More...
 

Private Member Functions

 JDB ()
 Default constructor. More...
 
 JDB (const JDB &)
 
JDBoperator= (const JDB &)
 

Static Private Member Functions

static Server & get_server ()
 Get server. More...
 

Detailed Description

Auxiliary class for connection to data base.

Definition at line 190 of file JDB.hh.

Constructor & Destructor Documentation

◆ JDB() [1/2]

JDATABASE::JDB::JDB ( )
inlineprivate

Default constructor.

Definition at line 338 of file JDB.hh.

339  {}

◆ JDB() [2/2]

JDATABASE::JDB::JDB ( const JDB )
private

Member Function Documentation

◆ get_server()

static Server& JDATABASE::JDB::get_server ( )
inlinestaticprivate

Get server.

Returns
server

Definition at line 199 of file JDB.hh.

200  {
201  static Server server = JDATABASE::getServer();
202 
203  return server;
204  }
const Server & getServer(const std::string &server)
Get server by name.
Definition: JDB.hh:90

◆ getServer()

static const Server& JDATABASE::JDB::getServer ( )
inlinestatic

Get server.

Returns
server

Definition at line 212 of file JDB.hh.

213  {
214  return get_server();
215  }
static Server & get_server()
Get server.
Definition: JDB.hh:199

◆ setServer()

static void JDATABASE::JDB::setServer ( const Server &  server)
inlinestatic

Set server.

Parameters
serverserver

Definition at line 223 of file JDB.hh.

224  {
225  get_server() = server;
226  }

◆ get()

static JDB& JDATABASE::JDB::get ( )
inlinestatic

Get connection to database.

Returns
database connection

Definition at line 234 of file JDB.hh.

235  {
236  static JDB db;
237 
238  return db;
239  }

◆ reset() [1/4]

static void JDATABASE::JDB::reset ( )
inlinestatic

Reset connection to database.

Definition at line 245 of file JDB.hh.

246  {
247  JDB& db = JDB::get();
248 
249  if (db.get() != NULL) {
250  db->Close();
251  static_cast<std::shared_ptr<Client>&>(db).reset();
252  }
253  }
static JDB & get()
Get connection to database.
Definition: JDB.hh:234
static void reset()
Reset connection to database.
Definition: JDB.hh:245

◆ reset() [2/4]

static void JDATABASE::JDB::reset ( const std::string &  usr,
const std::string &  pwd 
)
inlinestatic

Reset connection to database.

Parameters
usruser name
pwdpass word

Definition at line 262 of file JDB.hh.

264  {
265  static_cast<std::shared_ptr<Client>&>(JDB::get()) = Client::Create(getServer(), usr.c_str(), pwd.c_str());
266  }
static const Server & getServer()
Get server.
Definition: JDB.hh:212

◆ reset() [3/4]

static void JDATABASE::JDB::reset ( const std::string &  cookie)
inlinestatic

Reset connection to database.

Parameters
cookiepersistent cookie

Definition at line 274 of file JDB.hh.

275  {
276  using namespace std;
277  using namespace JPP;
278 
279  string buffer = cookie;
280 
281  if (getFileStatus(cookie.c_str())) {
282 
283  ifstream in(cookie.c_str());
284 
285  getline(in, buffer);
286 
287  in.close();
288  }
289 
290  const string::size_type pos = buffer.find(PREFIX_COOKIE);
291 
292  if (pos != string::npos) {
293  buffer.erase(0, pos);
294  }
295 
296  static_cast<std::shared_ptr<Client>&>(JDB::get()) = Client::Create(getServer(), buffer.c_str());
297  }
static const char PREFIX_COOKIE
Cookie prefix.
Definition: JDB.hh:177
std::istream & getline(std::istream &in, JString &object)
Read string from input stream until end of line.
Definition: JString.hh:478
This name space includes all other name spaces (except KM3NETDAQ, KM3NET and ANTARES).
static JStat getFileStatus
Function object for file status.
Definition: JStat.hh:173
Definition: JSTDTypes.hh:14

◆ reset() [4/4]

static void JDATABASE::JDB::reset ( const std::string &  usr,
const std::string &  pwd,
const std::string &  cookie 
)
inlinestatic

Reset connection to database.

An attempt to make a connection to the database is made in the following order, using:

  1. user name and password, if neither empty;
  2. given cookie, if not empty;
  3. private cookie file (created with JCookie.sh);
  4. public cookie (defined by environment variable DBCOOKIE);
Parameters
usruser name
pwdpassword
cookiepersistent cookie

Definition at line 314 of file JDB.hh.

317  {
318  using namespace std;
319  using namespace JPP;
320 
321  if (usr != "" && pwd != "")
322  JDB::reset(usr, pwd);
323  else if (cookie != "")
324  JDB::reset(cookie);
325  else if (getFileStatus(getPrivateCookie()))
327  else if (getPublicCookie() != NULL)
329  else
330  THROW(JDatabaseException, "Missing user name / password or cookie file.");
331  }
#define THROW(JException_t, A)
Marco for throwing exception with std::ostream compatible message.
Definition: JException.hh:712
Database exception.
Definition: JException.hh:684
const char * getPrivateCookie()
Get private cookie.
Definition: JDB.hh:155
const char * getPublicCookie()
Get public cookie.
Definition: JDB.hh:168

◆ operator=()

JDB& JDATABASE::JDB::operator= ( const JDB )
private

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