C# DBElement.addElementData方法代码示例

    void TestR3()
    {
      WriteLine();
      "Demonstrating Requirement #3".title('=');
      WriteLine();
      "Adding Key-Value pair to database".title();
      DBElement<int, string> element = new DBElement<int, string>();
      element.addElementData("element3", "test element for adding key-value pair to databse with value as string", DateTime.Now, new List<int> { 1, 2 }, "test elemet3's payload");
      "element to be added to database".title();
      element.showElement();
      db.insert(2, element);
      db.showDB();                        
      WriteLine();

      "Adding Key-Value pair to enumerable database".title();
      DBElement<string, List<string>> listelement = new DBElement<string, List<string>>();
      listelement.addElementData("element4", "test element for adding key-value pair to databse with value as list of string", DateTime.Now, new List<string> { "1", "two" }, new List<string> { "test elemet4's payload" });
      "element to be added to database".title();
      listelement.showEnumerableElement();
      enum_db.insert("enum_two", listelement);
      enum_db.showEnumerableDB();  
      WriteLine();
       
      "Deleting Key-Value pair from database".title();
      "Element with key=1 will be deleted from database".title();
      "Element with key=1:".title();
      DBElement<int, string> remove_element = new DBElement<int, string>();
      db.getValue(1, out remove_element);
      remove_element.showElement();
      db.remove(1);
      WriteLine();
      "Modified Database: ".title();
      db.showDB();
      WriteLine();

      "Deleting Key-Value pair from enumerable database".title();
      "Element with key=enum_one will be deleted from database".title();
      "Element with key=enum_one:".title();
      DBElement<string, List<string>> remove_enum_element = new DBElement<string, List<string>>();
      enum_db.getValue("enum_one", out remove_enum_element);
      remove_enum_element.showEnumerableElement();
      enum_db.remove("enum_one");
      WriteLine();
      "Modified enumerable Database: ".title();
      enum_db.showEnumerableDB();
      WriteLine();
      
    }

 void TestR4(string edit_action)
 {
   DBElement<string, List<string>> element = new DBElement<string, List<string>>();
   element.addElementData("element1", "test element for editing key-value pair to databse with value as string", DateTime.Now, new List<string> { "enum_one", "enum_two" }, new List<string> { "test element1's payload" });
   enum_db.insert("enum_one", element);
   "Demonstrating Requirement #4".title();
   DBElement<string, List<string>> edit_element = new DBElement<string, List<string>>();
   enum_db.getValue("enum_one", out edit_element);
   "Element to be edited".title();
   edit_element.showEnumerableElement();
   WriteLine();
   "Database before editing".title();
   enum_db.showEnumerableDB();
   WriteLine();
   switch (edit_action)
   {
     case "edit metadata":
       edit_element.edit_metadata(edit_action);
       goto default;
     case "add children":
       edit_element.add_children(edit_action);
       goto default;
     case "remove children":
       edit_element.remove_children(edit_action);
       goto default;
     case "edit payload":
       edit_element.edit_payload();
       goto default;
     default:
       "element after editing".title();
       edit_element.showEnumerableElement();
       "Databaser after editing".title();
       enum_db.showEnumerableDB();
       WriteLine();
       break;
   }  
 }

 void TestR5()
 {
   "Demonstrating Requirement #5".title('=');
   "Persisting to XML file".title();
   WriteLine();
   WriteLine("Saving DB with int as key and string payload to xml file ~/debug/test_DB");
   db.create_xml_from_db(false, "db.xml");
   WriteLine("Saving DB with String as key and list of strings as payload to XML file ~/debug/test_enumDB");
   enum_db.create_xml_from_db(false, "enum_db.xml");
   WriteLine("Remove previous elements from db");
   if (db != null)
   { 
      db.removeAll();
   }
   WriteLine("Current DB state");
   db.showDB();
   WriteLine();     
   WriteLine("Adding element to database");
   DBElement<int, string> element = new DBElement<int, string>();
   element.addElementData("element1", "test element for editing key-value pair to databse with value as string", DateTime.Now, new List<int> { 1, 2 }, "test element1's payload");
   db.insert(1, element);
   WriteLine("DB state after adding an element");
   db.showDB();
   WriteLine();
   WriteLine("Writing data from xml file Test_DB.xml to databse");
   WriteLine("All elements from xml which have same key as the key of element present in database is discarded.");
   db.create_db_from_xml("db.xml");
   WriteLine();
   WriteLine("Removing entries from enum Db if any");
   if (enum_db != null)
   {
             enum_db.removeAll();
   }
   WriteLine("Cureent enum DB state");
   enum_db.showEnumerableDB();
   WriteLine();
   WriteLine("Adding element to database");
   DBElement<string, List<string>> listelement = new DBElement<string, List<string>>();
   listelement.addElementData("element4", "test element for adding key-value pair to databse with value as list of string", DateTime.Now, new List<string> { "1", "two" }, new List<string> { "test elemet4's payload" });
   enum_db.insert("six",listelement);
   WriteLine("Enum database after adding an element");
   enum_db.showEnumerableDB();
   WriteLine("Writing data from xml file Test_enumDB.xml to enum databse");
   enum_db.create_enum_db_from_xml("enum_db.xml");
   WriteLine();
 }

    void TestR4()
    {
      DBElement<int, string> element = new DBElement<int, string>();
      element.addElementData("element1", "test element for editing key-value pair to databse with value as string", DateTime.Now, new List<int> { 1, 2 }, "test element1's payload");
      db.insert(1, element);
      "Demonstrating Requirement #4".title();
      DBElement<int, string> edit_element = new DBElement<int, string>();
      db.getValue(1, out edit_element);
      "Element to be edited".title();
      edit_element.showElement();
      WriteLine();

      "Databaser before editing".title();
      db.showDB();
      WriteLine();

      "Editing metadata of element:".title();
      "adding relationship in metadata".title();
      edit_element.name="name after editing";
      edit_element.descr="descr after editing";
      edit_element.timeStamp=DateTime.Now;
      edit_element.children.Add(3);
      edit_element.showElement();
      db.showDB();
      WriteLine();

      "removing relationship from metadata".title();
      edit_element.children.Remove(3);
      db.showDB();
      WriteLine();

      "editing value's instance".title();
      edit_element.payload = "payload after editing";
      db.showDB();
      WriteLine();
    }