void TestR4()
{
" Demonstrating Requirement #4 ".title('=');
WriteLine();
"Before edit of Key=2 and Key=4 values.".title('-');
DBElement <int, ListOfStrings> oldElement = db1.Dictionary[2];
oldElement.showElement();
ItemEditor <int, ListOfStrings> itemEditor = new ItemEditor <int, ListOfStrings>();
// Creates a DateTime for the local time.
itemEditor.editByName(ref db1, 2, "edited name for key=2");
itemEditor.editByChild(ref db1, 2, new List <int> {
205, 206, 207, 208, 209, 210
});
itemEditor.editByDescr(ref db1, 2, "edited descr for key=2");
DBElement <int, ListOfStrings> newElement123d = db1.Dictionary[2];
newElement123d.showElement();
itemEditor.editPayloadByListOfString(ref db1, 2, new List <string> {
"CSE681_2_New", "SMA_2_New", "C#.net_2_New", "AI_2_New"
});
DateTime newTime = new DateTime(1990, 6, 15, 0, 0, 0);
itemEditor.editByTime(ref db1, 4, newTime);
DateTime newTime2 = new DateTime(1990, 6, 16, 0, 0, 0);
itemEditor.editByTime(ref db1, 2, newTime2);
"After edit of Key = 2 and Key = 4 values.".title('-');
WriteLine();
WriteLine("You can see in updated element, Name,description,children,time and payload attributes are changed.");
DBElement <int, ListOfStrings> newElement1 = db1.Dictionary[2];
DBElement <int, ListOfStrings> newElement2 = db1.Dictionary[4];
newElement1.showElement();
newElement2.showElement();
WriteLine();
}
static void Main(string[] args)
{
"Testing ItemEditor Package".title('=');
WriteLine();
DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >();
DBElement <int, string> elem1 = new DBElement <int, string>();
elem1.name = "Usain Bolt";
elem1.descr = "Athelte";
elem1.timeStamp = DateTime.Now;
elem1.children.AddRange(new List <int> {
2
});
elem1.payload = "Fastest in the world";
db.insert(1, elem1);
DBElement <int, string> elem2 = new DBElement <int, string>();
elem2.name = "Saina Nehwal";
elem2.descr = "Badminton Player";
elem2.timeStamp = DateTime.Now;
elem2.children.AddRange(new List <int> {
1
});
elem2.payload = "Famous badminton player";
db.insert(2, elem2);
db.showDB();
WriteLine();
ItemEditor <int, DBElement <int, string> > iEditor = new ItemEditor <int, DBElement <int, string> >(db);
"\n1) Editing metadata".title();
"\nBefore editing metadata for key 1".title();
db.showDB();
WriteLine();
"\nAfter editing metadata for key 1".title();
iEditor = new ItemEditor <int, DBElement <int, string> >(db);
iEditor.editMetaData(1, "Sachin Tendulkar", "Cricket player"); //send the values to be edited to the editMetaData() function
db.showDB();
WriteLine();
WriteLine();
"\n2) Adding children".title();
"\nBefore adding relationship(children) for key 1".title();
db.showDB();
WriteLine();
"\nAfter adding relationship(children) for Key 1".title();
iEditor.addrelationships(1, new List <int> {
3
}); //send a new list with children to be added to a key
db.showDB();
WriteLine();
WriteLine();
"\n3) Deleting children".title();
"\nBefore deleting relationship(children) for key 1".title();
db.showDB();
WriteLine();
"\nAfter deleting relationship(children) to Key 1".title(); //send a new list with children to be deleted from a key
iEditor.deleteRelationships(1, new List <int> {
3
});
db.showDB();
WriteLine();
WriteLine();
"\n4) Replacing value instance".title();
DBElement <int, string> elem = new DBElement <int, string>(); //create a new element for replacing value
elem.name = "Messi";
elem.payload = "Plays for Argentina";
elem.descr = "Football player";
elem.children.AddRange(new List <int> {
2
});
elem.timeStamp = DateTime.Now;
"\nBefore replacing the value instance for key 2".title();
db.showDB();
WriteLine();
"\nAfter replacing the value instance for key 2".title();
iEditor.replaceValueInstance(2, elem); //send value to be replaced for a key
db.showDB();
WriteLine();
}