// function to delete from database
public XElement Delete(XElement dbe, DBEngine <int, DBElement <int, string> > db)
{
DBElement <int, string> elem = new DBElement <int, string>();
Console.WriteLine("\n----------Delete Operation----------");
Console.Write("\n Now deleting the element with key=3");
bool result = db.remove(Int32.Parse((dbe.Element("key").Value)));
db.showDB();
if (result == true)
{
XElement s = new XElement("result", "\n Element deleted successfully ");
return(s);
}
else
{
XElement f = new XElement("result", "Failure");
return(f);
}
}
void TestR3()
{
"Demonstrating Requirement #3".title();
//demonstrating addition and removal of key/value pairs pairs
WriteLine("\n Database contents before addition");
db.showDB();
WriteLine();
WriteLine(" \n Database contents after addition-----");
DBElement <int, string> insert1 = new DBElement <int, string>();
insert1.name = "first inserted element";
insert1.descr = "int and string values database";
insert1.timeStamp = DateTime.Now;
insert1.children.AddRange(new List <int> {
7, 7, 8, 3, 8, 8, 5, 5, 7
});
insert1.payload = "first inserted elements payload";
db.insert(2, insert1);
DBElement <int, string> insert2 = new DBElement <int, string>();
insert2.name = "second inserted element";
insert2.descr = "int and string values";
insert2.timeStamp = DateTime.Now;
insert2.children.AddRange(new List <int> {
1, 3, 5, 7
});
insert2.payload = "second inserted elements payload";
db.insert(3, insert2);
db.showDB();
WriteLine();
WriteLine(" \n Database before contents are removed");
db.showDB();
WriteLine("\n \n second element to be removed");
db.remove(2);
db.showDB();
WriteLine();
}
// test stub for processor
// main function
static void Main(string[] args)
{
DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >();
"Testing the Package".title('=');
Console.WriteLine();
Console.WriteLine("\n remote operations are done are and tested");
Console.Write("\n");
DBElement <int, string> elem = new DBElement <int, string>();
Console.WriteLine("\n----------Delete Operation----------");
Console.Write("\n Now deleting the element with key=3");
bool result = db.remove(2);
db.showDB();
if (result == true)
{
XElement s = new XElement("result", "\n Element deleted successfully ");
}
else
{
XElement f = new XElement("result", "Failure");
}
}