source/dbms/Sentence.cpp

   1 // ANNA - Anna is Not Nothingness Anymore                                                         //
   2 //                                                                                                //
   3 // (c) Copyright 2005-2015 Eduardo Ramos Testillano & Francisco Ruiz Rayo                         //
   4 //                                                                                                //
   5 // See project site at http://redmine.teslayout.com/projects/anna-suite                           //
   6 // See accompanying file LICENSE or copy at http://www.teslayout.com/projects/public/anna.LICENSE //
   7
   8
   9 #include <anna/xml/Node.hpp>
  10 #include <anna/xml/Attribute.hpp>
  11
  12 #include <anna/dbms/Database.hpp>
  13 #include <anna/dbms/Connection.hpp>
  14 #include <anna/dbms/Sentence.hpp>
  15 #include <anna/dbms/Statement.hpp>
  16
  17 using namespace std;
  18 using namespace anna;
  19
  20 const string& dbms::Sentence::getName() const
  21 throw() {
  22   static string empty;
  23   return (a_dbStatement == NULL) ? empty : a_dbStatement->getName();
  24 }
  25
  26 void dbms::Sentence::initialize(dbms::Database& database)
  27 throw(RuntimeException) {
  28   Guard guard(this, "anna::dbms::Sentence (initialize)");
  29   a_dbStatement = do_initialize(database);
  30 }
  31
  32 //-------------------------------------------------------------------------------------
  33 // Ojo!! No activamos la seccion critica en este metodo porque debera estar
  34 // activa externamente ... para recoger datos multiples, etc, etc.
  35 //-------------------------------------------------------------------------------------
  36 dbms::ResultCode dbms::Sentence::execute(dbms::Connection& connection, dbms::Statement* statement)
  37 throw(RuntimeException) {
  38   using namespace anna::dbms;
  39   ResultCode result;
  40
  41   try {
  42     result = connection.execute(statement);
  43
  44     if(result.successful() == false) {
  45       if(a_mode == Mode::SilentWhenNotFound && result.notFound() == true)
  46         return result;
  47
  48       throw DatabaseException(result, ANNA_FILE_LOCATION);
  49     }
  50   } catch(DatabaseException& edb) {
  51     string msg("Sentence: ");
  52     msg += getName();
  53     msg += " | ";
  54     msg += edb.getText();
  55     throw RuntimeException(msg, ANNA_FILE_LOCATION);
  56   }
  57
  58   return result;
  59 }
  60
  61 bool dbms::Sentence::fetch()
  62 throw(RuntimeException) {
  63   bool result = false;
  64
  65   try {
  66     result = a_dbStatement->fetch();
  67   } catch(dbms::DatabaseException& edb) {
  68     throw RuntimeException(edb);
  69   }
  70
  71   return result;
  72 }
  73
  74 string dbms::Sentence::asString() const
  75 /*virtual*/
  76 throw() {
  77   string result("dbms::Sentence { Mode: ");
  78   result += (a_mode == Mode::SilentWhenNotFound) ? "SilentWhenNotFound" : "ExceptionWhenNotFound";
  79   result += " | ";
  80
  81   if(a_dbStatement != NULL)
  82     result += a_dbStatement->asString();
  83   else
  84     result += "dbms::Statement: <null>";
  85
  86   return result += " }";
  87 }
  88
  89 /*virtual*/
  90 xml::Node* dbms::Sentence::asXML(xml::Node* parent) const
  91 throw() {
  92   xml::Node* result = parent->createChild("dbms.Sentence");
  93   result->createAttribute("Mode", (a_mode == Mode::SilentWhenNotFound) ? "SilentWhenNotFound" : "ExceptionWhenNotFound");
  94
  95   if(a_dbStatement)
  96     a_dbStatement->asXML(result);
  97
  98   return result;
  99 }