#19623705 DB 클래스 정리

1. DB 드라이버 생성방식 수정
2. $class_name, $class_file 이름 문자열 생성하는 부분 수정



git-svn-id: http://xe-core.googlecode.com/svn/sandbox@8184 201d5d3c-b55e-5fd7-737f-ddc643e51545

classes/db/DB.class.php

@@ -55,13 +55,13 @@
             if(!$db_type && Context::isInstalled()) return new Object(-1, 'msg_db_not_setted');
 
             if(!$GLOBALS['__DB__']) {
-                $class_name = sprintf("DB%s%s", strtoupper(substr($db_type, 0, 1)), strtolower(substr($db_type,1)));
-                $class_file = sprintf("%sclasses/db/%s.class.php", _XE_PATH_, $class_name);
+                $class_name = 'DB'.ucfirst($db_type);
+                $class_file = _XE_PATH_."classes/db/$class_name.class.php";
                 if(!file_exists($class_file)) new Object(-1, 'msg_db_not_setted');
 
-                require_once($class_file);
-				$get_db = create_function('', sprintf('$GLOBALS["__DB__"]["%s"] = new %s();', $db_type, $class_name));
-				$get_db();
+				// get a singletone instance of the database driver class
+				require_once($class_file);
+                $GLOBALS['__DB__'][$db_type] = call_user_func(array($class_name, 'create'));
             }
 
             return $GLOBALS['__DB__'][$db_type];

classes/db/DBCubrid.class.php

@@ -51,6 +51,14 @@
             $this->_setDBInfo();
             $this->_connect();
         }
+		
+		/**
+		 * @brief create an instance of this class
+		 */
+		function create()
+		{
+			return new DBCubrid;
+		}
 
         /**
          * @brief 설치 가능 여부를 return
@@ -1244,4 +1252,6 @@
             return $buff;
         }
     }
+
+return new DBCubrid;
 ?>

classes/db/DBFirebird.class.php

@@ -45,6 +45,14 @@
             $this->_setDBInfo();
             $this->_connect();
         }
+		
+		/**
+		 * @brief create an instance of this class
+		 */
+		function create()
+		{
+			return new DBFireBird;
+		}
 
         /**
          * @brief 설치 가능 여부를 return
@@ -1057,4 +1065,6 @@
             return $buff;
         }
     }
+
+return new DBFireBird;
 ?>

classes/db/DBMssql.class.php

@@ -42,6 +42,14 @@
             $this->_setDBInfo();
             $this->_connect();
         }
+		
+		/**
+		 * @brief create an instance of this class
+		 */
+		function create()
+		{
+			return new DBMssql;
+		}
 
         /**
          * @brief 설치 가능 여부를 return
@@ -895,4 +903,6 @@
         }
 
     }
+
+return new DBMssql;
 ?>

classes/db/DBMysql.class.php

@@ -44,6 +44,10 @@
             $this->_setDBInfo();
             $this->_connect();
         }
+		
+		function create() {
+			return new DBMysql;
+		}
 
         /**
          * @brief 설치 가능 여부를 return
@@ -771,4 +775,4 @@
 			return mysql_fetch_object($result);
 		}
     }
-?>
+?>

classes/db/DBMysql_innodb.class.php

@@ -19,6 +19,14 @@
             $this->_setDBInfo();
             $this->_connect();
         }
+		
+		/**
+		 * @brief create an instance of this class
+		 */
+		function create()
+		{
+			return new DBMysql_innodb;
+		}
 
         /**
          * @brief DB접속 해제
@@ -151,4 +159,6 @@
             if(!$output) return false;
         }
     }
+
+return new DBMysql_innodb;
 ?>

classes/db/DBMysqli.class.php

@@ -27,6 +27,14 @@
             if(!function_exists('mysqli_connect')) return false;
             return true;
         }
+		
+		/**
+		 * @brief create an instance of this class
+		 */
+		function create()
+		{
+			return new DBMysqli;
+		}
 
         /**
          * @brief DB 접속
@@ -110,4 +118,6 @@
 			return mysqli_fetch_object($result);
 		}
     }
+
+return new DBMysqli;
 ?>

classes/db/DBPostgresql.class.php

@@ -50,6 +50,14 @@ class DBPostgresql extends DB
         $this->_setDBInfo();
         $this->_connect();
     }
+	
+	/**
+	 * @brief create an instance of this class
+	 */
+	function create()
+	{
+		return new DBPostgresql;
+	}
 
     /**
      * @brief 설치 가능 여부를 return
@@ -927,4 +935,6 @@ class DBPostgresql extends DB
         return $buff;
     }
 }
+
+return new DBPostgresql;
 ?>

classes/db/DBSqlite2.class.php

@@ -41,6 +41,14 @@
             $this->_setDBInfo();
             $this->_connect();
         }
+		
+		/**
+		 * @brief create an instance of this class
+		 */
+		function create()
+		{
+			return new DBSqlite2;
+		}
 
         /**
          * @brief 설치 가능 여부를 return
@@ -722,4 +730,6 @@
             return $buff;
         }
     }
+
+return new DBSqlite2;
 ?>

classes/db/DBSqlite3_pdo.class.php

@@ -47,6 +47,14 @@
             $this->_setDBInfo();
             $this->_connect();
         }
+		
+		/**
+		 * @brief create an instance of this class
+		 */
+		function create()
+		{
+			return new DBSqlite3_pdo;
+		}
 
         /**
          * @brief 설치 가능 여부를 return
@@ -806,4 +814,6 @@
             return $buff;
         }
     }
+
+return new DBSqlite3_pdo;
 ?>